CN105386999A - Inlet bellmouth with coating in measurement annulus region - Google Patents

Inlet bellmouth with coating in measurement annulus region Download PDF

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Publication number
CN105386999A
CN105386999A CN201510516597.XA CN201510516597A CN105386999A CN 105386999 A CN105386999 A CN 105386999A CN 201510516597 A CN201510516597 A CN 201510516597A CN 105386999 A CN105386999 A CN 105386999A
Authority
CN
China
Prior art keywords
interior surface
air flow
flow inlet
belt area
ring belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510516597.XA
Other languages
Chinese (zh)
Inventor
R.A.摩根
S.R.沃茨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of CN105386999A publication Critical patent/CN105386999A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/023Selection of particular materials especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/403Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • F04D29/545Ducts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/40Organic materials
    • F05D2300/43Synthetic polymers, e.g. plastics; Rubber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/60Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603Composites; e.g. fibre-reinforced
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/60Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/611Coating

Abstract

The invention relates to an inlet bell mouth with coating in a measurement annulus region. An airflow inlet may include a bell mouth component having a substantially uneven internal surface, and a variable thickness coating in a measurement annulus region of the substantially uneven internal surface. The measurement annulus region includes only an annulus about the internal surface of the bell mouth component. The variable thickness coating is configured to present a more even internal surface than the substantially uneven internal surface.

Description

The cated import horn mouth of tool in measurement ring belt area
Technical field
The disclosure is broadly directed to air flow inlet, and more specifically relates to and have coating thereon to reduce the air flow inlet horn mouth of its surface roughness, and associated method.
Background technique
The air flow inlet going to commercial plant (such as GTC) comprises tulip members, tulip members for collecting, initially compression and such as draw airflow guiding towards the turbine portion of compressor.In many setting, during operation, skin holder (Pitot) method is such as used to measure static pressure in import tulip members.Static pressure can be used for the mass flowrate determining air, and it is for other components of control operation better, such as, thus controls the combustion temperature of the burner of gas turbine.In another example, mass flowrate can be used for determining that the compressor operation limit is degenerated.
In import horn mouth, determine that a difficult problem of static pressure accurately to understand the import ring belt area of measuring pressure.But conventional inlet horn mouth often manufactures as foundry goods component, it has significant change in interior surface thereof and large tolerance, that is, they are uneven or coarse.Change in import horn mouth and large tolerance are reduced by the pressure measurement precision that static pressure sensor system obtains, and therefore hinder accurate mass flowrate to calculate.In order to solve this situation, usually, analyze the bell-mouthed sampling of (multiple) import after the fabrication, and determine calibration correction factor and use it in the bell-mouthed static pressure calculating of all imports.But because there is change large between the import horn mouth of formation, and the bell-mouthed interior surface of import can change in time, so be undesirable based on the use of the correction factor of sampling.Although the import horn mouth that casting or processing have the change of less surface is feasible, normally cost benefit is non-remunerative for it.This manufacture approach does not correct the problem of the import of previously installing yet.
Summary of the invention
First aspect of the present disclosure provides air flow inlet, and it comprises: the tulip members with uneven interior surface substantially; With the variable thickness coating in the measurement ring belt area of this uneven interior surface substantially, this variable thickness coating structure becomes to present than this interior surface that uneven interior surface is more smooth substantially, and wherein this measurement ring belt area only comprises the endless belt of the interior surface around this tulip members.
Second aspect of the present disclosure is provided for the tulip members of air flow inlet, this tulip members comprises: be configured for the pressure measurement ring belt area being measured static pressure by least one sensing system, this measurement ring belt area comprises the variable thickness coating in the substantially uneven interior surface of the tulip members only in this measurement ring belt area, and this variable thickness coating structure becomes to present the surface change more smooth than the substantially uneven interior surface in this measurement ring belt area.
Third aspect supplying method of the present disclosure, it comprises the tulip members close to air flow inlet, and this tulip members comprises uneven interior surface substantially; With by variable thickness coatings applications to the measurement ring belt area of the substantially uneven interior surface of this tulip members, to form more smooth interior surface, wherein this measurement ring belt area only comprises the endless belt of the interior surface around this tulip members.
Technological scheme 1: a kind of air flow inlet, comprising:
Tulip members, it has uneven interior surface substantially; With
Variable thickness coating in the measurement ring belt area of described uneven interior surface substantially, described variable thickness coating structure becomes to present than the described interior surface that uneven interior surface is more smooth substantially,
Wherein, described measurement ring belt area only comprises the endless belt of the interior surface around described tulip members.
Technological scheme 2: the air flow inlet according to technological scheme 1, is characterized in that, described coating comprises epoxy resin.
Technological scheme 3: the air flow inlet according to technological scheme 1, is characterized in that, described coating comprises plastics.
Technological scheme 4: the air flow inlet according to technological scheme 1, is characterized in that, described coating comprises glass fibre.
Technological scheme 5: the air flow inlet according to technological scheme 1, it is characterized in that, also comprise static pressure sensor system, described static pressure sensor system construction becomes to use the annulus belt area based on described more smooth interior surface to determine the static pressure of the air stream through described tulip members.
Technological scheme 6: the air flow inlet according to technological scheme 1, is characterized in that, described tulip members comprise have described in the casting tulip members of uneven interior surface substantially.
Technological scheme 7: the air flow inlet according to technological scheme 1, is characterized in that, described uneven interior surface change is substantially until 1.3 centimetres.
Technological scheme 8: the air flow inlet according to technological scheme 1, is characterized in that, described measurement ring belt area comprises relative inclined side.
Technological scheme 9: the air flow inlet according to technological scheme 1, is characterized in that, described endless belt comprises at least one pillar, and at least one pillar described is coated with described variable thickness coating at least in part.
Technological scheme 10: a kind of tulip members for air flow inlet, described tulip members comprises:
Be configured for the pressure measurement ring belt area being measured static pressure by least one sensing system, described measurement ring belt area comprises the variable thickness coating in the substantially uneven interior surface of the described tulip members only in described measurement ring belt area, and described variable thickness coating structure becomes to present the surface change than uneven interior surface is more smooth substantially described in described measurement ring belt area.
Technological scheme 11: the tulip members according to technological scheme 10, is characterized in that, described variable thickness coating selects from by the following combination formed: epoxy resin, plastic and glass fiber.
Technological scheme 12: the tulip members according to technological scheme 10, it is characterized in that, also comprise at least one sensing system described at described measurement ring belt area place, at least one sensing system described is configured to measure the static pressure through the air stream of described tulip members.
Technological scheme 13: the tulip members according to technological scheme 10, is characterized in that, described uneven interior surface change is substantially until 1.3 centimetres.
Technological scheme 14: the tulip members according to technological scheme 10, is characterized in that, described tulip members comprises casting tulip members.
Technological scheme 15: the tulip members according to technological scheme 10, is characterized in that, described measurement ring belt area comprises relative inclined side.
Technological scheme 16: the tulip members according to technological scheme 10, is characterized in that, described endless belt comprises at least one pillar, and at least one pillar described is coated with described variable thickness coating at least in part.
Technological scheme 17: a kind of method, it comprises:
Close to the tulip members of air flow inlet, described tulip members comprises uneven interior surface substantially; With
By variable thickness coatings applications to the measurement ring belt area of substantially uneven interior surface of described tulip members, to form more smooth interior surface, wherein, described measurement ring belt area only comprises the endless belt of the interior surface around described tulip members.
Technological scheme 18: the method according to technological scheme 17, is characterized in that, described measurement ring belt area comprises annulus belt area, at described annulus belt area place, measures the static pressure of the air stream through described tulip members.
Technological scheme 19: the method according to technological scheme 17, it is characterized in that, also comprise the correction factor of the static pressure of the air stream corrected for really passing described tulip members, wherein, described correction factor is at first based on described uneven interior surface substantially.
Illustration aspect of the present disclosure is designed to the other problems solving problem described herein and/or do not discuss.
Accompanying drawing explanation
From the following detailed description of each side of the present disclosure of making by reference to the accompanying drawings, these and other features of the present disclosure will become more easily to be understood, various embodiment of the present disclosure drawn by this accompanying drawing, wherein:
Fig. 1 illustrates the cross sectional view of the air flow inlet for compressor according to the embodiment of the present invention, and this air flow inlet comprises the coating on the measurement ring belt area of tulip members.
Fig. 2 illustrates the amplification cross sectional view of the basic uneven interior surface of the tulip members of air flow inlet.
Fig. 3 illustrates the amplification cross sectional view of the interior surface of the tulip members of the cated air flow inlet of tool.
Fig. 4 and Fig. 5 illustrates the cross sectional view of the air flow inlet according to the embodiment of the present invention, and these air flow inlet have difform tulip members and comprise the coating measured on ring belt area.
Fig. 6 illustrates the end elevation of an embodiment of the tulip members according to the embodiment of the present invention, and it comprises the coating on its pillar.
It should be noted that accompanying drawing not to scale of the present disclosure.Accompanying drawing intention only draws typical pattern of the present disclosure, and therefore should not be construed as restriction category of the present disclosure.In the accompanying drawings, identical between accompanying drawing label represents identical element.
List of parts
100 air flow inlet
102 coatings
104,204,304 tulip members
110 compressors
112 turbines
114 air streams
116 static pressure sensor systems
118 sensors
120 interior surface
130,230,330 ring belt areas
132 surfaces
150 pillars
152 exterior sections
154 interior sections
234 throat region
334 inclined sides.
Embodiment
As indicated on, the disclosure provides air flow inlet, and it has coating in the measurement ring belt area of tulip members.With reference to figure 1, the cross sectional view of the air flow inlet 100 according to the embodiment of the present invention is shown, it comprises the variable thickness coating 102 on tulip members 104.The illustration of air flow inlet 100 arranges and comprises such as the compressor 110 of turbine.Compressor 110 comprises turbine (or turbofan) 112, is attracted in tulip members 104 for by air stream 114.Tulip members 104 can comprise any structure that air stream is advanced through at first using the part as entrance.Major part but in not all situation, horn mouth 104 for collecting air stream 114, and is guided to turbine 112, air is popular proceed to other component (not shown) before in turbine 112, there is a large amount of compressions.Tulip members 104 can be mentioned by by various alternative names, such as: entrance, suction port of compressor, horn mouth, flow nozzle etc.As described in this article, can provide static pressure sensor system 116, it is configured to measuring the static pressure determining the air stream 114 through horn mouth 104 in endless belt or region 130.Other control system (not shown) can use pressure measurement with determine through air flow inlet 100 mass flowrate and/or control other components.Although this setting illustrates with compressor 110 with contacting, it being understood that air flow inlet 100 as described in this article can use together with multiple air inlet system.
Fig. 2 illustrates the amplification cross sectional view of the tulip members 104 of the coating do not had as taught herein.As shown, tulip members 104 demonstrates uneven interior surface 120 substantially, and it has a large amount of surface change V.As used herein, " substantially uneven interior surface " indicates unsmooth or coarse surface, and it stops accurately determining of the endless belt area in the location of tulip members 104 substantially.That is, surface roughness causes following situation: in this case, and the cross section that provides any (in such as Fig. 2 A-A or B-B line place those) place, presents different annulus belt area.Change V can such as until 1.3 centimetres.Change V makes accurate pressure and/or mass flowrate dyscalculia, because be difficult to the accurate annulus belt area determined needed for calculating pressure and/or mass flowrate.Although used term " endless belt " to represent particular cross section district, it being understood that tulip members 104 can not have accurate circular cross-section, such as, it can be rectangular, polygonal or ellipse in cross section.Substantially uneven surperficial 120 formed by many modes.But one illustrates reason is that tulip members 104 is formed by casting (such as, iron, steel etc.).Substantially uneven surperficial 120 present when the manufacture of tulip members 104, and can work as air stream 114 change during wearing and tearing thereon in time due to its initial raw characteristic.Although air stream 114 can wear and tear on the surface 120, air circulation does not often act on smooth surface 120 in acceptable mode.
Getting back to Fig. 1, in order to solve substantially uneven surperficial 120, in the measurement ring belt area 130 of uneven interior surface 102 substantially, optionally providing variable thickness coating 102.Coating 102 is not present on all surface of tulip members 104, but only in measurement ring belt area 130.Measure ring belt area 130 and can comprise any annulus belt area, measure the static pressure through the air stream 114 of tulip members 104 at this place.Although measure ring belt area 130 to show in Fig. 1 (and Fig. 6) for substantially columnar, as will be described, this layout is all unnecessary in all sights.Such as, as will be described in more detail, pillar 150 can be present in and measures in ring belt area 130 and form the part measuring ring belt area 130.As is understood, pillar 150 is for supporting its exterior section 152 relative to the interior section 154 of tulip members 104.
As shown in Figure 3, variable thickness coating 102 is configured to present the interior surface 132 more smooth than uneven interior surface 120 substantially.The change of more smooth interior surface 132 such as until 0.2 centimetre, can which greatly improves the validity in the endless belt area for calculation of pressure.Variable thickness coating 102 can comprise any materials that can be fixedly connected with uneven interior surface 120 substantially; thus fill change V (Fig. 2) and the environment of tolerance air stream 114 (such as; as the maximum temperature of about 60-64 DEG C, the particulate in air stream or moisture etc.).In one embodiment, coating 102 is nonmetallic.Coating 102 can include but not limited to: epoxy resin, plastics or glass fibre.Coating can use any proper method being used for used material to apply, and such as, sprays, floods, injects, deposits.Coating 102 can have the thickness such as in the scope of approximate 1.3-2.5 centimetre.
As shown in figs. 1 and 6, in a lot of situation, static pressure sensor system 116 comprises the many sensors 118 be positioned around the specified circumference of tulip members 104.In this case, static pressure sensor system 116 also can comprise many sensors 118 of circumferentially locating along tulip members 104 (that is, around measuring ring belt area 130).Sensor 118 can comprise arbitrarily the known or later pressure transducer developed now.One or more sensor 118 only measures static pressure in measurement ring belt area 130.Ring belt area 130 covers the preferred endless belt area of tulip members 104, can be more easily close at this place (multiple) sensor 118, air stream 114 more laminar flow, etc.Static pressure sensor system 116 can use arbitrarily now methodology that is known or exploitation later to determine static pressure, such as, but not limited to the NationalAeronauticsandSpaceAdministrationTechnicalMemora ndum84399 in November, 1985, describe in " the AirflowCalibrationofaBellmouthInletforMeasurementofCompr essorAirflowinTurbine-PoweredPropulsionSimulators, " of StephenA.Smith.
In another embodiment, the tulip members 104 for air flow inlet 100 can comprise pressure measurement ring belt area 130, and it is configured for measuring static pressure by least one sensor 108.Measurement ring belt area 130 comprises the variable thickness coating 102 in the substantially uneven interior surface 120 in measurement ring belt area of tulip members 104.Variable thickness coating 102 is configured to present the surface 132 more smooth than the substantially uneven interior surface 120 measured in ring belt area and changes (see Fig. 3).Therefore, more accurate annulus belt area can be determined.
Should emphasize, except manufacturing the time of tulip members 104 at first, can the multiple time point place application variable thickness coating 102 in tulip members 104 life-span striden across.Specifically; according to the embodiment of method of the present invention; variable thickness coating 102 is applied by the tulip members 104 close to air flow inlet; such as; on the spot with by removing after any protective filter, shielding element etc. use some times, at the open end place of tulip members 104.Variable thickness coating 102 can be applied to the measurement ring belt area 130 of the substantially uneven interior surface 120 of tulip members 104, to form more smooth interior surface 132.As in this article mention, this application can comprise the method suitable arbitrarily for used material, such as, injection, dipping, injection, deposition etc.When the initial correction factor based on uneven interior surface 120 is substantially for determining static pressure (and/or the mass flowrate) through the air stream 114 of tulip members 104, this correction factor can be corrected the static pressure for measuring based on more plat surface 132.In aforesaid way, variable thickness coating 102 can when do not replace and in most of situation not removing components be applied to and previously installed and the tulip members used.
Although Fig. 1 illustrates a form of tulip members 104, as viewed in figs. 4-5, it is possible for it should be understood that other shapes various and arranging.Such as, tulip members can be overall round or not round, longer or shorter or have more directly or more bending side etc.In the diagram, have that to measure the tulip members 204 of ring belt area 230 longer substantially than the tulip members 104 in Fig. 1 and have more bending side, and in Figure 5, there is the tulip members 304 measuring ring belt area 330 there is substantial alignment or parallel side.In addition, measure ring belt area not need as in FIG for substantially columnar.Such as, as shown in Figure 5, measure ring belt area 330 and can have relative inclined side 334, and Fig. 4 illustrates the measurement ring belt area 230 with throat region 234, throat region 234 has the diameter slightly less than neighboring region.In addition, Fig. 6 illustrates the end elevation of an embodiment as tulip members 204 in the diagram, and it is included in the coating 102 on its one or more pillar 150.As shown in Figure 4 and Figure 6, endless belt or measurement ring belt area 230 comprise at least one pillar 150, and it is coated with variable thickness coating 102 at least in part.
Although the use of variable thickness coating 102 is described to make tulip members 104 consistent in size in order to measure static pressure in this article, but be understood that, coating 102 can be used for improving other and measures, thus allows controlling more accurately of any industrial components depending on particular measurement.
Term used herein is only for describing specific embodiment and being not intended to limit the disclosure.As used in this article, singulative " ", " one " and " being somebody's turn to do " intention also comprise plural form, unless context is clearly pointed out in addition.It is also to be understood that, when using in this manual, term " comprises " and/or specifies " comprising ... " existence of institute's stated features, entirety, step, operation, element and/or component, but does not get rid of the existence of one or more other features, entirety, step, operation, element, component and/or their combination.
All devices in following claim or step add the counter structure of functional element, material, effect and equivalent intention comprise ad hoc requirement protection for the arbitrary structures of other claimed combination of elements ground n-back test, material or effect.Propose description of the present disclosure for the object illustrated and describe, but it is not intended to as present disclosure that is exhaustive or that be limited to disclosed form.A lot of modifications and changes will will be apparent to those skilled in the art, and not depart from the scope of the present disclosure and spirit.Select and describe embodiment, to explain principle of the present disclosure and practical application best, and other those skilled in the art being understood be suitable for the disclosure with the various embodiments of various amendment of conceived application-specific.

Claims (10)

1. an air flow inlet, comprising:
Tulip members, it has uneven interior surface substantially; With
Variable thickness coating in the measurement ring belt area of described uneven interior surface substantially, described variable thickness coating structure becomes to present than the described interior surface that uneven interior surface is more smooth substantially,
Wherein, described measurement ring belt area only comprises the endless belt of the interior surface around described tulip members.
2. air flow inlet according to claim 1, is characterized in that, described coating comprises epoxy resin.
3. air flow inlet according to claim 1, is characterized in that, described coating comprises plastics.
4. air flow inlet according to claim 1, is characterized in that, described coating comprises glass fibre.
5. air flow inlet according to claim 1, it is characterized in that, also comprise static pressure sensor system, described static pressure sensor system construction becomes to use the annulus belt area based on described more smooth interior surface to determine the static pressure of the air stream through described tulip members.
6. air flow inlet according to claim 1, is characterized in that, described tulip members comprise have described in the casting tulip members of uneven interior surface substantially.
7. air flow inlet according to claim 1, is characterized in that, described uneven interior surface change is substantially until 1.3 centimetres.
8. air flow inlet according to claim 1, is characterized in that, described measurement ring belt area comprises relative inclined side.
9. air flow inlet according to claim 1, is characterized in that, described endless belt comprises at least one pillar, and at least one pillar described is coated with described variable thickness coating at least in part.
10., for a tulip members for air flow inlet, described tulip members comprises:
Be configured for the pressure measurement ring belt area being measured static pressure by least one sensing system, described measurement ring belt area comprises the variable thickness coating in the substantially uneven interior surface of the described tulip members only in described measurement ring belt area, and described variable thickness coating structure becomes to present the surface change than uneven interior surface is more smooth substantially described in described measurement ring belt area.
CN201510516597.XA 2014-08-21 2015-08-21 Inlet bellmouth with coating in measurement annulus region Pending CN105386999A (en)

Applications Claiming Priority (2)

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US14/465,148 US20160053767A1 (en) 2014-08-21 2014-08-21 Inlet bellmouth with coating in measurement annulus region
US14/465148 2014-08-21

Publications (1)

Publication Number Publication Date
CN105386999A true CN105386999A (en) 2016-03-09

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US (1) US20160053767A1 (en)
JP (1) JP2016044678A (en)
CN (1) CN105386999A (en)
CH (1) CH710050A2 (en)
DE (1) DE102015113147A1 (en)

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CN1615184A (en) * 2002-01-23 2005-05-11 开利公司 Method to rough size coated components for easy assembly
US20080243352A1 (en) * 2007-04-02 2008-10-02 General Electric Company Methods and Systems for Model-Based Control of Gas Turbines
CN101876576A (en) * 2009-02-23 2010-11-03 通用电气公司 Be used to measure the integrated equipment of static pressure
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CN110966056B (en) * 2019-12-30 2022-02-15 中国科学院工程热物理研究所 Method and structure for reducing friction loss of wall surface of compressed air energy storage turbine gas collection chamber

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DE102015113147A1 (en) 2016-02-25
US20160053767A1 (en) 2016-02-25
JP2016044678A (en) 2016-04-04
CH710050A2 (en) 2016-02-29

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