CN103759884B - Device and method for measuring static pressure of high-speed fluid in high-pressure pipeline - Google Patents
Device and method for measuring static pressure of high-speed fluid in high-pressure pipeline Download PDFInfo
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- CN103759884B CN103759884B CN201410043772.3A CN201410043772A CN103759884B CN 103759884 B CN103759884 B CN 103759884B CN 201410043772 A CN201410043772 A CN 201410043772A CN 103759884 B CN103759884 B CN 103759884B
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- 239000012530 fluid Substances 0.000 title claims abstract description 77
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- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 6
- 238000009530 blood pressure measurement Methods 0.000 claims description 81
- 239000000463 material Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 12
- 239000012858 resilient material Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 2
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- 238000000605 extraction Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to measurement of high-speed hydrostatic pressure. The static pressure measuring device comprises a shell, connecting end parts on two sides of the shell, a pressure guide pipe connected to the shell and a closed static pressure cavity limited by the shell, wherein at least one pressure taking hole is formed in the pipe wall of a measured pipe section of a pipeline. A conduit extends through the connection end and the static pressure chamber such that the static pressure chamber is secured to the pipe segment under test by the connection end, and fluid within the pipe segment is communicated between the pressure tap hole of the pipe segment, the static pressure chamber of the housing, and the pressure tap tube. The invention also provides a static pressure measuring method, which comprises the following steps: at least one pressure taking hole is formed in the pipe section; sleeving a static pressure measuring device on a measured pipe section, and radially aligning a pressure measuring hole with a static pressure cavity so as to keep the pressure measuring hole in fluid communication with the static pressure cavity; the fluid in the pipe section flows to the static pressure cavity from the pressure taking hole and then flows to the pressure guiding pipe connected to the shell from the static pressure cavity; and after the parameters of the fluid in the pressure guiding pipe are stabilized, measuring the static pressure of the fluid in the pressure guiding pipe.
Description
Technical field
The present invention relates to a kind of measurement of stable state static pressure of pressure duct high speed fluid, also relate to the measurement of the stable state static pressure of the pressure duct high speed fluid of tube diameter variable.
Background technology
The wing of aircraft has icing phenomenon, thus have impact on the safe flight of aircraft.In order to eliminate freezing on wing, need to arrange a set of anti-icing equipment.On current aircraft industry, aircraft often adopts pressure duct to be used for hot air anti-icing air feed.Along with the change of environmental baseline and operating mode, need to carry out controlling and adjustment to the flow of the fluid in pressure duct, the static pressure normally by obtaining the fluid in pressure duct carrys out the aperture of the anti-icing valve of feedback regulation.
In order to obtain the static pressure of high-velocity fluid in pipe, common way is on tube wall, open a single hole, directly a pressure guiding pipe is connected to single hole, thus carries out static pressure measurement in pipeline at the fluid at this single hole position.The method due to type of attachment simple and take up room little and be widely used in the static pressure measurement of true aircraft pipeline static pressure measurement and model test part.
Such as, but because the high-velocity fluid in pipe is generally Turbulence Flow, there is wall effect, at local measurement point position place, there is eddy current in single hole position, and dynamic pressure cannot be avoided the impact of static pressure measurement.And due to the impact of pipeline setting angle and fluid gravity, adopting tube wall single hole to carry out measuring, may to there is measured value unstable and can not reflect the true static pressure of high-velocity fluid and the larger situation of error.Namely the setting of single hole position also can affect the data of static pressure measurement.Therefore need to design a kind of means of testing static pressure measurement can avoided as far as possible to fluctuate, improve measuring accuracy.
Such as, and due to changeable by the pipeline caliber of pressure measurement, anti-icing bourdon's tube along wing exhibition to continuous reducing, also needing the structural form providing a kind of static pressure chamber for measuring tube diameter variable pipeline, facilitating a set of equipment to carry out repeatedly static pressure measurement on pipeline.
Summary of the invention
The technical problem to be solved in the present invention can obtain the numerical value of the true static pressure that more can reflect high-velocity fluid when being the static pressure of high-velocity fluid in measuring channel.
The explanation of technical term: high-velocity fluid is not subject to the pressure that flow rate effect direction records to be static pressure at it completely, is total head at its pressure that place of being obstructed (flow velocity is zero) records completely.The difference of total head and static pressure is dynamic pressure.
According to definition, measuring static pressure needs to get rid of completely the impact that flow velocity causes, and in pipe during sheaf of ideal stream mode, does not namely have turbulent phenomenon, and what obtain perpendicular to the pressure guiding pipe pressure measurement of conduit axis extraction from tube wall is exactly static pressure.But if disturbed flow condition, then have the speed component perpendicular to tubular axis line unavoidably, therefore surveyed static pressure has small dynamic pressure addition interference.If get multiple extraction pressure along tube wall, in chamber after equilibrium, then change a pressure tappings direction, be parallel to tubular axis line impulse from being transformed into perpendicular to tubular axis line impulse, then can eliminate the impact of dynamic pressure on static pressure measurement to greatest extent.
For this reason, according to an aspect of the present invention, a kind of static pressure measurement device measuring pressure duct high speed hydrostatic pressure is provided, described static pressure measurement device comprises housing, the connecting end portion in housing both sides, the pressure guiding pipe being connected to housing and the static pressure chamber closed limited by housing, make described static pressure chamber and described impulse fluid communication, the tube wall of the tested pipeline section of described pipeline arranges at least one pressure port.Described casing structure becomes described pipeline can extend through described connecting end portion and static pressure chamber, described static pressure chamber is made to be anchored on described tested pipeline section by described connecting end portion and can be removably fixed on the tube wall of described pipeline section Fluid Sealing, and the pressure port on described pipeline section aligns with described static pressure chamber, thus make the fluid in described pipeline section in the pressure port of pipeline section, fluid connection between the static pressure chamber of described housing and pressure guiding pipe.Also comprise pressure-measuring device, described pressure-measuring device and described impulse fluid communication.
On the basis of above-mentioned static pressure measurement device, the cross section that described pressure port is included in described tested pipeline section is the center of circle with the axis of described pipeline, circumferentially angularly opens the multiple pressure ports got.
On the basis of above-mentioned static pressure measurement device, the diameter of described pressure port is 1/20 to 1/40 of the diameter of pipeline section.
On the basis of above-mentioned static pressure measurement device, described housing is also included in the tracting pressuring hole on its sidewall, and described tracting pressuring hole is communicated with described static pressure chamber fluid; Described pressure guiding pipe is connected to described housing by described tracting pressuring hole, described pressure guiding pipe is communicated with and the axis being parallel to pipeline section extends with static pressure chamber fluid.
On the basis of above-mentioned static pressure measurement device, described static pressure chamber is arranged to axially extend coaxially with described pipeline section, and along the xsect radial expansion of described pipeline section.
On the basis of above-mentioned static pressure measurement device, described connecting end portion comprises the flange axially extended outwardly from the both sides of described housing, and described flange can be fastened on the tube wall of described tested pipeline section Fluid Sealing.
On the basis of above-mentioned static pressure measurement device, described flange is made up of resilient material with the described sidewall be connected with described flange of described housing, and described flange can be flexibly socketed on the tube wall of described pipeline section.
On the basis of above-mentioned static pressure measurement device, a part for described flange and the material of the part be connected with a described part for described flange of described sidewall are different from the material of another part of described flange and another part be connected with described another part of described flange of described sidewall, and the elasticity of the material of a described part is higher than the elasticity of the material of described another part.
On the basis of above-mentioned static pressure measurement device, also comprise a cassette tape, described flange is fastened on described tested pipeline section by described cassette tape.
On the basis of above-mentioned static pressure measurement device, the material except the remainder except the part that resilient material is formed of described housing is identical with the material of described pipeline section.
On the basis of above-mentioned static pressure measurement device, described pressure port is configured so that the fluid orthogonal in pipeline section flows into described static pressure chamber in the axis of pipeline section.
According to another aspect of the present invention, also provide a kind of static pressure measurement method measuring pressure duct high speed hydrostatic pressure, described static pressure measurement method comprises the steps:
(1) on the tube wall of the tested pipeline section of described pipeline, at least one pressure port is offered;
(2) housing of static pressure measurement device is set on described tested pipeline section, described static pressure measurement device is made removably to be fixed on described tube wall by the connecting end portion of described housing both sides, be fixed on described tube wall with making the static pressure chamber Fluid Sealing in described housing, simultaneously, make described pressure port and described static pressure chamber radially aligned, be communicated with described static pressure chamber fluid to keep described pressure port;
(3) fluid in described pipeline section flows to described static pressure chamber from pressure port, then flows to from described static pressure chamber the pressure guiding pipe being connected to described housing;
(4), after treating the parameter stability of the fluid in described pressure guiding pipe, the static pressure of the fluid in described pressure guiding pipe is measured.
On the basis of above-mentioned static pressure measurement method, in described step (1), on a cross section of tested pipeline section with pipeline axis be the center of circle, circumferentially equal angular opening get multiple described pressure port, the diameter of described pressure port is 1/20 to 1/40 of the diameter of described pipeline section.
On the basis of above-mentioned static pressure measurement method, in described step (3), the fluid in described pipeline section flows to described static pressure chamber with radial direction through described pressure port.
On the basis of above-mentioned static pressure measurement method, in described step (3), the fluid be connected in the described pressure guiding pipe of described housing is flowed along the direction of the axis being parallel to described pipeline section.
On the basis of above-mentioned static pressure measurement method, in described step (2), described connecting end portion comprises the flange axially extended outwardly from the both sides of described housing, is fastened on the tube wall of pipeline section with making described flange seal.
On the basis of above-mentioned static pressure measurement method, after described step (4), mobile described static pressure measurement device on described pipeline 1, and moved to and have on another pipeline section of the diameter identical or different with described pipeline section, then repeat step (1)-(4).
Accompanying drawing explanation
Fig. 1 is the stereographic map of the pipeline being provided with static pressure measurement device of the present invention;
Fig. 2 is the stereographic map of the other direction of the pipeline being provided with static pressure measurement device of the present invention, illustrated therein is the measured hole in pipeline;
Fig. 3 is the partial perspective view of the pipeline being provided with static pressure measurement device of the present invention, illustrated therein is the static pressure chamber in measurement mechanism;
Fig. 4 is the cross-sectional perspective view of measurement mechanism of the present invention, illustrated therein is the position of static pressure chamber in measurement mechanism and fluid pressure guiding pipe;
Fig. 5 is the cut-open view of the pipeline being provided with static pressure measurement device of the present invention; Illustrated therein is static pressure chamber and the pressure guiding pipe of pressure port hole on the tube wall of tested pipeline section and measurement mechanism;
Fig. 6 is the stereographic map corresponding to Fig. 5;
Fig. 7 is the stereographic map in a direction of the static pressure measurement device of pipeline for tube diameter variable:
Fig. 8 is the stereographic map in another direction of the static pressure measurement device of pipeline for tube diameter variable: and
Fig. 9 is the stereographic map of the static pressure measurement device corresponding to Fig. 8, and the flange wherein showing in detail connecting end portion is made up of two parts of different materials, and the sidewall forming the housing in static pressure chamber is also made up of two parts of different materials.
Embodiment
As shown in Fig. 1,2 and 5, high-pressure fluid flows through pressure duct 1, and the tube wall of the tested pipeline section 10 of pipeline 1 is installed a static pressure measurement device 2.The static pressure chamber 24 that static pressure measurement device 2 comprises housing 20, pressure guiding pipe 21, two connecting end portion 22 and 23 and limited by housing 20.Static pressure measurement device 2 is removably fixed on the tube wall of pipeline section 10 by two connecting end portion 22 and 23, is arranged on the tube wall of pipeline section 10 with making static pressure chamber 24 Fluid Sealing.
As shown in Figure 3, selected tested pipeline section 10 on pipeline 1, on a cross section of tested pipeline section 10 with pipeline axis for the center of circle, circumferentially equal angularly open some pressure ports 11 that cut-off footpath is pipeline diameter 1/20 to 1/40 size.In the embodiment shown in fig. 3, tube wall there are 8 pressure ports 11.According to actual needs, pressure port 11 that is more or small number excessively can also be selected.Pressure port 11 also can circumferential non-ly angularly distribute, or distributes in the difference circumference of different cross section.Therefore, the distributed architecture of pressure port 11 embodiment illustrated in fig. 3 is not distributed architecture unique in the present invention, and the distribution of other diverse locations and quantity of meeting the pressure port 11 of inventive principle of the present invention is also at the row of the present invention.
Preferably, in order to avoid the speed of the axia flow of fluid is on the impact of static pressure measurement, pressure port 11 is configured so that fluid orthogonal in pipeline section 10 is in the axis of pipeline section 10, i.e. fluid flow direction, flows into static pressure chamber 24.
As shown in Figure 1 and Figure 5, the housing 20 of static pressure measurement device 2 is also included in the tracting pressuring hole 25 be communicated with static pressure chamber 24 fluid limited by housing 20 on its sidewall 202.Pressure guiding pipe 21 is connected to housing 20 by tracting pressuring hole 25, makes pressure guiding pipe 21 fluid flow communication be connected to static pressure chamber 24.Preferably, pressure guiding pipe 21 is parallel to the Axis Extension of pipeline 10, makes the flow direction of the fluid in pressure guiding pipe 21 parallel with the flow direction of the fluid in pipeline 10.
As described in Figure 9, an embodiment of the connecting end portion 22 and 23 at static pressure measurement device 2 two ends is the two side 201 and 202 axially outwardly directed flange from housing 20.Pipeline section 10 is through the static pressure chamber 24 of measurement mechanism 2, measurement mechanism 2 is arranged on the tube wall of pipeline section 10 by its two connecting end portion 22 and 23 Fluid Sealing, the static pressure chamber 24 of the pressure port 11 on pipeline section 10, measurement mechanism 2 is communicated with pressure guiding pipe 21 fluid, and the other end of pressure guiding pipe 21 is connected to pressure-measuring device (not shown).
The pipeline 1 comprising tested pipeline section 10 region (is referred to following description) be connected with hermetically by cassette tape 26 grade as shown in Figure 9 the static pressure chamber 24 closed of static pressure measurement device 2 in a knockdown approach, and the tracting pressuring hole 25 on a sidewall of the housing 20 in this static pressure chamber 24 is connected with pressure guiding pipe 21 one end by pipe adapter or Type of Welding.
The pressure duct for hot air anti-icing air feed that aircraft adopts also comprises the changeable pipeline of caliber, and such as anti-icing bourdon's tube can along wing exhibition to continuous reducing.This proposes other requirement to static pressure measurement device.As shown in figures 7 and 9, the embodiment shown in figure can be used for the measurement of the hydrostatic pressure in the pipeline of tube diameter variable.
Specifically, method of testing is mainly reflected in the mode that static pressure chamber 24 is connected with pipeline 1.The flange, the i.e. flange that static pressure chamber 24 are connected to two connecting end portion 22 and 23 of pipeline 1 adopt the similar high ductility materials such as silicon rubber generally, an embodiment of this flange forms as shown in Figure 9, a part for flange 22, especially the region along the fan-shaped section 22a of the whole axial length extension of flange is material more resilient than the remainder 22b of flange 22, has stronger scalable performance.Equally, for the sidewall 201 be connected with flange 22 of housing 20, identical with flange 22 on selected all materials, preferably, a part for close flange 22 wherein, especially identical with the fan-shaped section 22a of flange 22 with the material of the fan-shaped section 201a that the fan-shaped section 22a of flange 22 is connected, identical with the remainder 22b of flange 22 with the material of the remainder 201b that the remainder 22b of flange 22 is connected.The part of fan-shaped section 201a in the radial direction of sidewall 201 for sidewall 201 extends.According to the concrete property of detected fluid, the material of flange 22 and sidewall 201 also needs to have the performances such as certain high temperature resistant, corrosion.When installing static pressure measurement device 2, need first this flange 22 to be enclosed within test pipeline 1, then the position of pressure measurement pipeline section 10 is moved to along pipeline, the position of the pressure port 11 on pipeline section 10 is aimed at the position radial direction in the static pressure chamber 24 of measurement mechanism 2, finally by forms such as metal cassette tapes 26, flange 22 Fluid Sealing is fixed on the tube wall of pipeline 10, this static pressure chamber 24 is fixed on and measures on pipeline section 10.Another structure of 23 in two connecting end portion of static pressure measurement device 2 can be identical with flange 22 or substantially identical.Equally, another 202 the structure in two sidewalls of housing 20 can be identical with sidewall 201 or substantially identical.Description of them is omitted at this.
The material forming the material of remainder of the housing 20 in static pressure chamber 24 and pipeline 1 is same or similar, usually adopts stainless steel.As mentioned above, material housing 20 being connected to the flange 22 of pipeline 1 adopts the similar high ductility materials such as silicon rubber.When not considering the restriction of fluid corrosiveness, pressure guiding pipe 21 material adopts copper (for high temperature fluid) or plastics (for normal temperature fluid) usually.
The embodiment of connecting end portion 22 and 23 described above is not unique embodiment of the present invention.Connecting end portion 22 and 23 can also other structural forms be implemented.Such as, in the inner edge, hole that the pipeline section 10 of the both sides of housing 20 passes, flexible sealing component is set regularly or removably, such as elasticity pressure-resistant seal ring, when static pressure measurement device 2 is arranged on pipeline section 10, make this elasticity pressure-resistant seal ring between housing 20 and the tube wall of pipeline section 10, to be engaged on pipeline section 10 with keeping housing 20 Fluid Sealing.
The installation process be installed to by static pressure measurement device 2 on pipeline 1 is described below by a preferred embodiment.Choose suitable static pressure measurement pipeline section 10, as without particular/special requirement, before and after being selected in, all have the region of longer straight length as far as possible.On a cross section of tested pipeline section 10 with the axis of pipeline 1 for the center of circle, circumferentially equal angularly open some pressure ports 11 that cut-off footpath is pipeline diameter 1/20 to 1/40 size, this embodiment is 8 pressure ports 11.The structure in the static pressure chamber 24 of design static pressure measurement device 1 is required, it is preferred that static pressure chamber 24 is coaxial with pipeline 1 according to installing space restriction etc.By pressure guiding pipe 21 by pipe joint or be welded and fixed on housing 20 and be communicated with static pressure chamber 24 fluid, make the bearing of trend of pressure guiding pipe 21 identical with the bearing of trend of pipeline 1.The flange 22 and 23 of static pressure measurement device 2 is enclosed within test pipeline 1, then moves to pressure measurement pipeline section 10 along pipeline 1, the pressure port 11 of pipeline section 10 is communicated with static pressure chamber 24 fluid of static pressure measurement device 2.By the clip of metal cassette tape 26, flange 22 and 23 opposing lines 1 is fixed hermetically.When flange 22 and 23 pipeline section 10 sealing and withstand voltage enough time, also can not use metal cassette tape 26.
Metering system is described below.After static pressure measurement device 2 is installed on pipeline section 10 as shown in Figure 1, treat that the fluid in pipeline section 10 flows into static pressure chamber 24 and pressure guiding pipe 21, after flow parameter is basicly stable, obtained the static pressure of the fluid in pipeline by the pressure-measuring device (conventional equipment) be connected with pressure guiding pipe 21.
Above-mentioned exemplary embodiment shows an embodiment in the technical scheme solving the technical problem to be solved in the present invention.Under the example of this embodiment, other meets the equivalence of the principle of the invention and similar means all belong in the scope of protection of the invention.Inventive principle of the present invention is, change carry out static pressure measurement after the fluid introducing pressure guiding pipe in pipeline as the fluid introducing static pressure chamber taking from tracting pressuring hole from pressure port into by originally direct, again the fluid in static pressure chamber is introduced pressure guiding pipe, to reduce the impact of fluid turbulence on static pressure measurement.
Claims (16)
1. measure the static pressure measurement device (2) of pressure duct (1) high speed hydrostatic pressure for one kind,
Described static pressure measurement device comprises housing (20), the connecting end portion (22 and 23) in housing (20) both sides, the pressure guiding pipe (21) being connected to housing (20) and the static pressure chamber (24) closed limited by housing (20), described static pressure chamber (24) is communicated with described pressure guiding pipe (21) fluid, the tube wall of the tested pipeline section (10) of described pipeline (1) arranges at least one pressure port (11);
Described housing (20) is configured to described pipeline (1) can extend through described connecting end portion (22 and 23) and static pressure chamber (24), described static pressure chamber (24) is made to be anchored on described pipeline section (10) by described connecting end portion (22 and 23) and can be removably fixed on the tube wall of described pipeline section (10) Fluid Sealing, and the pressure port (11) on described pipeline section (10) aligns with described static pressure chamber (24), thus make the fluid in described pipeline section (10) at the pressure port (11) of pipeline section (10), between the static pressure chamber (24) of described housing (20) and pressure guiding pipe (21), fluid is communicated with,
Also comprise pressure-measuring device, described pressure-measuring device is communicated with described pressure guiding pipe (21) fluid;
Described housing (20) is also included in the tracting pressuring hole (25) on its sidewall, and described tracting pressuring hole (25) is communicated with described static pressure chamber (24) fluid; Described pressure guiding pipe (21) is connected to described housing (20) by described tracting pressuring hole (25), described pressure guiding pipe (21) is communicated with and the axis being parallel to described pipeline section (10) extends with static pressure chamber (24) fluid.
2. static pressure measurement device as claimed in claim 1, it is characterized in that, the cross section that described pressure port (11) is included in described pipeline section (10) is the center of circle with the axis of described pipeline (1), circumferentially angularly opens the multiple pressure ports got.
3. static pressure measurement device as claimed in claim 2, it is characterized in that, the diameter of described pressure port (11) is 1/20 to 1/40 of the diameter of described pipeline section (10).
4. static pressure measurement device as claimed in claim 1, is characterized in that, described static pressure chamber (24) is arranged to axially extend coaxially with described pipeline section (10), and along the xsect radial expansion of described pipeline section (10).
5. the static pressure measurement device as described in claim 1 or 4, it is characterized in that, described connecting end portion (22 and 23) comprises the flange axially extended outwardly from the both sides of described housing (20), and described flange can be fastened on the tube wall of described pipeline section (10) Fluid Sealing.
6. static pressure measurement device as claimed in claim 5, it is characterized in that, described flange is made up of resilient material with the described sidewall be connected with described flange of described housing (20), and described flange can be flexibly socketed on the tube wall of described pipeline section (10).
7. static pressure measurement device as claimed in claim 6, it is characterized in that, a part (22a) for described flange and the material of the part (201a) be connected with a described part (22a) for described flange of described sidewall (201) are different from the material of another part (22b) of described flange and another part (201b) be connected with described another part (22b) of described flange of described sidewall (201), the elasticity of the material of a described part (22a) for described flange and a described part (201a) for described sidewall (201) is higher than the elasticity of the material of described another part (22b) of described flange and described another part (201b) of described sidewall (201).
8. static pressure measurement device as claimed in claim 5, is characterized in that, also comprise a cassette tape (26), and described flange is fastened on described pipeline section (10) by described cassette tape (26).
9. static pressure measurement device as claimed in claim 7, is characterized in that, also comprise a cassette tape (26), and described flange is fastened on described pipeline section (10) by described cassette tape (26).
10. static pressure measurement device as claimed in claim 6, it is characterized in that, the material except the remainder except the part that resilient material is formed of described housing (20) is identical with the material of described pipeline section (10).
11. as claim 1-4, static pressure measurement device described in any one in 6-10, it is characterized in that, described pressure port (11) is configured so that the fluid orthogonal in pipeline section (10) flows into described static pressure chamber (24) in the axis of pipeline section (10).
12. 1 kinds of static pressure measurement methods measuring pressure duct high speed hydrostatic pressure, described static pressure measurement method comprises the steps:
(1) on the tube wall of the tested pipeline section (10) of described pipeline (1), at least one pressure port is offered;
(2) housing (20) of static pressure measurement device is set on described pipeline section (10), described static pressure measurement device is made removably to be fixed on described tube wall by the connecting end portion (22 and 23) of described housing (20) both sides, be fixed on described tube wall with making static pressure chamber (24) Fluid Sealing in described housing (20), simultaneously, make described pressure port (11) and described static pressure chamber (24) radially aligned, be communicated with described static pressure chamber (24) fluid to keep described pressure port (11);
(3) fluid in described pipeline section (10) flows to described static pressure chamber (24) from pressure port (11), then flows to the pressure guiding pipe (21) being connected to described housing (20) from described static pressure chamber (24);
(4), after treating the parameter stability of the fluid in described pressure guiding pipe (21), the static pressure of the fluid in described pressure guiding pipe is measured;
Wherein, in described step (3), the fluid be connected in the described pressure guiding pipe (21) of described housing (20) is flowed along the direction of the axis being parallel to described pipeline section (10).
13. static pressure measurement methods as claimed in claim 12, it is characterized in that, in described step (1), on a cross section of pipeline section (10) with pipeline axis be the center of circle, circumferentially equal angular opening get multiple described pressure port, the diameter of described pressure port is 1/20 to 1/40 of the diameter of described pipeline section (10).
14. static pressure measurement methods as claimed in claim 13, it is characterized in that, in described step (3), the fluid in described pipeline section (10) flows to described static pressure chamber (24) with radial direction through described pressure port (11).
15. static pressure measurement methods as claimed in claim 14, it is characterized in that, in described step (2), described connecting end portion (22 and 23) comprises the flange axially extended outwardly from the both sides of described housing (20), is fastened on the tube wall of pipeline section (10) with making described flange seal.
16. static pressure measurement methods as described in any one in claim 12-15, it is characterized in that, after described step (4), at the upper mobile described static pressure measurement device of described pipeline (1), and moved to there is the diameter identical or different with described pipeline section (10) another pipeline section on, then repeat step (1)-(4).
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| CN201410043772.3A CN103759884B (en) | 2014-01-29 | 2014-01-29 | Device and method for measuring static pressure of high-speed fluid in high-pressure pipeline |
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| CN201410043772.3A CN103759884B (en) | 2014-01-29 | 2014-01-29 | Device and method for measuring static pressure of high-speed fluid in high-pressure pipeline |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014001998A1 (en) * | 2013-12-17 | 2015-06-18 | Man Diesel & Turbo Se | compressor stage |
| GB2542650B (en) | 2015-06-10 | 2018-05-30 | Waters Technologies Corp | Sensor body for a flow through pressure sensor |
| US10295427B2 (en) * | 2017-04-04 | 2019-05-21 | Sensata Technologies, Inc. | Multi-chamber pressure sensing apparatus |
| US10807735B2 (en) * | 2017-10-17 | 2020-10-20 | The Boeing Company | Methods and apparatus to reduce static pressure measuring error |
| CN109029835B (en) * | 2018-06-07 | 2021-06-08 | 中广核研究院有限公司 | Hydrostatic pressure measuring device |
| CN110346605B (en) * | 2019-08-01 | 2021-05-07 | 中国商用飞机有限责任公司 | Method and system for aircraft airspeed calibration based on static pressure error correction |
| CN112414612B (en) * | 2020-11-04 | 2022-03-04 | 海默新宸水下技术(上海)有限公司 | Underwater differential pressure transmitter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840068A (en) * | 1988-03-14 | 1989-06-20 | Mayhew Jr John D | Pipe pressure sensor |
| DE19720848B4 (en) * | 1997-05-17 | 2005-12-15 | Armaturenbau Gmbh | Line seals |
| CN102759427A (en) * | 2012-07-13 | 2012-10-31 | 西安交通大学 | Visualized pressure measuring device for porous media filling structure |
| CN202770585U (en) * | 2012-09-04 | 2013-03-06 | 曼胡默尔滤清器（上海）有限公司 | Measuring device for measuring cross-section uniform static pressure |
| CN103148978A (en) * | 2013-02-04 | 2013-06-12 | 扬州大学 | Even pressure sleeve for measurement of static pressure of pipeline fracture surface |
-
2014
- 2014-01-29 CN CN201410043772.3A patent/CN103759884B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840068A (en) * | 1988-03-14 | 1989-06-20 | Mayhew Jr John D | Pipe pressure sensor |
| DE19720848B4 (en) * | 1997-05-17 | 2005-12-15 | Armaturenbau Gmbh | Line seals |
| CN102759427A (en) * | 2012-07-13 | 2012-10-31 | 西安交通大学 | Visualized pressure measuring device for porous media filling structure |
| CN202770585U (en) * | 2012-09-04 | 2013-03-06 | 曼胡默尔滤清器（上海）有限公司 | Measuring device for measuring cross-section uniform static pressure |
| CN103148978A (en) * | 2013-02-04 | 2013-06-12 | 扬州大学 | Even pressure sleeve for measurement of static pressure of pipeline fracture surface |
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| CN103759884A (en) | 2014-04-30 |
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Effective date of registration: 20190819 Address after: 201210 Zhang Yang Road, Shanghai, Pudong New Area, No. 25 Co-patentee after: Shanghai Aircraft Design Research Institute Co.,Ltd. Patentee after: COMMERCIAL AIRCRAFT CORPORATION OF CHINA, Ltd. Address before: 201210 Zhang Yang Road, Shanghai, Pudong New Area, No. 25 Co-patentee before: COMAC SHANGHAI AIRCRAFT DESIGN & Research Institute Patentee before: Commercial Aircraft Corporation of China, Ltd. |