CN107449515B - Ship self-carrying wake flow temperature field measuring device - Google Patents
Ship self-carrying wake flow temperature field measuring device Download PDFInfo
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- CN107449515B CN107449515B CN201710818866.7A CN201710818866A CN107449515B CN 107449515 B CN107449515 B CN 107449515B CN 201710818866 A CN201710818866 A CN 201710818866A CN 107449515 B CN107449515 B CN 107449515B
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- temperature field
- wake
- ship
- measuring sensor
- wake flow
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- 239000013307 optical fiber Substances 0.000 claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 208000034699 Vitreous floaters Diseases 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0037—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the heat emitted by liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J2005/106—Arrays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a ship self-carrying wake flow temperature field measuring device which is arranged on a ship to be measured, and can release and retract an optical fiber towing rope at any time according to task requirements for testing, so that characteristics of the ship wake flow temperature field can be mastered at any time; meanwhile, the release length of the optical fiber towrope is changed, the distance between the wake flow temperature field measuring sensor array and the ship is regulated and controlled, the wake flow temperature fields of the underwater and water surfaces at different positions away from the ship are measured, and the characteristics of the wake flow temperature field of the ship are mastered at any time; the wake flow temperature field characteristic measurement can be finished by operating on the ship to be measured, the cooperation of a traditional special wake flow measurement ship and an onboard thermal infrared imager is not needed, and the wake flow temperature field characteristic measurement device is suitable for measuring wake flow temperature field characteristics of a certain distance behind a water surface ship.
Description
Technical Field
The invention belongs to the technical field of wake flow temperature field measurement, and particularly relates to a ship self-carrying wake flow temperature field measurement device.
Background
In the navigation process of the ship on the water surface and the near water surface, the ship body and the screw propeller can generate disturbance on the sea surface, the sea water with lower temperature under water is rolled to the sea surface, so that the temperature of the wake flow is lower than that of surrounding sea water, in addition, in the navigation process, the redundant heat energy generated by the power device is required to be discharged out of the ship in a cooling water form, the discharged cooling water can form a hot wake flow behind the ship, the temperature is generally still higher than that of surrounding sea water, and the two wake flows form a special temperature distribution phenomenon on the sea surface after being mixed.
At present, the characteristic measurement of the ship wake temperature field is generally carried out by an on-board thermal infrared imager, a special measuring ship or a fixed underwater wake measuring system in China. However, the thermal infrared imager cannot capture the temperature characteristics of ship wake flow formed on the sea surface well due to the influence of the temperature resolution of the thermal infrared imager, the ocean and atmospheric environment and other factors. Meanwhile, due to the limitation of conditions such as maritime area selection, ship guarantee, measurement period, expense investment and the like of a combat mission, the existing ship wake temperature field test method cannot meet the requirements of dynamic comparison tests of the whole life of the ship, such as comparison tests of wake temperature field characteristics of underwater and water at different positions behind the ship, and comparison tests of wake temperature field characteristics before and after ship repair or reloading, which are developed at any time and any place in the combat sailing process.
Disclosure of Invention
In order to solve the problems, the invention provides the ship self-carrying wake temperature field measuring device, which is used for releasing and retracting the optical fiber towrope at any time according to the task requirement for testing, wherein the temperature sensors connected to the optical fiber towrope can be used for measuring wake temperature field characteristics of different sea areas and different positions behind the ship under the sea condition at any time and any place, and the wake temperature field characteristics of the ship can be mastered at any time.
A ship self-carried wake flow temperature field measuring device comprises a data acquisition and display control device 1, a hydraulic controller 2, a hydraulic winch 3, an optical fiber towing rope 4, a wake flow temperature field measuring sensor array 5, a floater 6 and a cold wake flow temperature measuring sensor 7;
the data acquisition and display control device 1, the hydraulic controller 2 and the hydraulic winch 3 are all arranged on the ship body;
one end of the optical fiber towing cable 4 is connected with the data acquisition and display control device 1 and extends and winds on the hydraulic winch 3, and the hydraulic controller 2 drives the hydraulic winch 3 to release or retract the optical fiber towing cable 4 by controlling the forward or reverse flow of hydraulic oil; the other end of the optical fiber towline 4 is respectively provided with a cold wake flow temperature measuring sensor 7, a wake flow temperature field measuring sensor array 5 and a floater 6 along the length direction, and the optical fiber towline 4 is released into the water to be measured from the upper part of the ship;
the floaters 6 provide buoyancy for the optical fiber towrope 4, the wake temperature field measurement sensor array 5 and the cold wake temperature measurement sensor 7;
the cold wake flow temperature measuring sensor 7 measures the temperature field of the cold wake flow generated by stirring the ship body and the screw propeller in real time; the wake temperature field measuring sensor array 5 measures a mixed temperature field of a hot wake and a cold wake generated by ship thermal emission in real time; the data measured in real time by the cold wake flow temperature measuring sensor 7 and the wake flow temperature field measuring sensor array 5 are transmitted to the data acquisition and display control device 1 for analysis and display through the optical fiber towrope 4.
Further, the wake temperature field measuring sensor array 5 is distributed with more than two sets of wake temperature field measuring sensor groups along the length direction of the optical fiber towline 4, and each wake temperature field measuring sensor group is distributed with more than two wake temperature field measuring sensor units along the length direction of the vertical optical fiber towline 4; wherein, each wake flow temperature field measuring sensor group is fixed on a cross rod which is mutually perpendicular to the length direction of the optical fiber towing cable 4;
the wake temperature field measuring sensor unit is provided with a small buoy 16, two temperature sensors and a weight 19 in order from the cross bar downwards.
Further, the distance between each wake temperature field measurement sensor group is gradually increased.
Further, the profile of the float 6, the temperature sensor and the weight 19 is streamlined.
Further, the small buoy 16 is embedded with a temperature sensor.
Further, the data acquisition and display control device 1 is installed in a ship building or enclosure, the hydraulic controller 2 is installed in a watertight cabin of the ship, and the hydraulic winch 3 is installed on a deck of the ship or a superstructure of the ship.
Further, the fiber optic streamer 4 has a density of 0.8g/cm 3 ～1.2g/cm 3 。
Further, the float 6 is attached to the tail end of the fiber optic streamer 4 and generates a buoyancy force that is greater than the weight force of the fiber optic streamer 4, the array of wake temperature field measurement sensors 5, and the cold wake temperature measurement sensor 7.
Further, the cold wake temperature measuring sensor 7 and wake temperature field measuring sensor array 5 have a precision of not less than ±0.01k and a resolution of not less than ±0.001K.
Further, the hydraulic winch 3 is connected to the hydraulic controller 2 through a hydraulic pipe.
Beneficial effects the effect is as follows:
1. the invention provides a ship self-carrying wake flow temperature field measuring device which is arranged on a ship to be measured, and can release and retract an optical fiber towing rope at any time according to task requirements for testing, so that characteristics of the ship wake flow temperature field can be mastered at any time; meanwhile, the release length of the optical fiber towrope is changed, the distance between the wake flow temperature field measuring sensor array and the ship is regulated and controlled, the wake flow temperature fields of the underwater and water surfaces at different positions away from the ship are measured, and the characteristics of the wake flow temperature field of the ship are mastered at any time; the wake flow temperature field characteristic measurement can be finished by operating on the ship to be measured, the cooperation of a traditional special wake flow measurement ship and an onboard thermal infrared imager is not needed, and the wake flow temperature field characteristic measurement device is suitable for measuring wake flow temperature field characteristics of a certain distance behind a water surface ship.
2. In the ship self-carrying wake flow temperature field measuring device, the appearance of the floaters, the appearance of the weights and the appearance of the temperature sensor are streamline, so that the damage of the measuring process to the wake flow temperature field can be reduced.
3. The density of the optical fiber towing cable is close to that of water, so that the optical fiber towing cable is beneficial to being suspended in the water.
Drawings
FIG. 1 is a schematic structural view of a ship self-carried wake temperature field measuring device according to the present invention;
FIG. 2 is a schematic diagram of a specific arrangement of a wake temperature field measurement sensor array of the present invention;
FIG. 3 is a schematic diagram of a specific arrangement of a wake temperature field measurement sensor set of the present invention;
FIG. 4 is a schematic diagram of a specific arrangement of a wake temperature field measurement sensor unit of the present invention;
1-data acquisition and display control device, 2-hydraulic controller, 3-hydraulic winch, 4-optical fiber streamer, 5-wake temperature field measuring sensor array, 6-floater, 7-cold wake temperature measuring sensor, 8-wake temperature field measuring sensor group I, 9-wake temperature field measuring sensor group II, 10-wake temperature field measuring sensor group III, 11-wake temperature field measuring sensor group IV, 12-wake temperature field measuring sensor unit I, 13-wake temperature field measuring sensor unit II, 14-wake temperature field measuring sensor unit III, 15-wake temperature field measuring sensor unit IV, 16-small buoy, 17-temperature sensor I, 18-temperature sensor II, 19-weight.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
Aiming at the problem that the existing ship wake flow temperature field measuring device cannot meet the requirements of dynamic comparison test of the ship during the whole life, the invention provides a ship self-carried wake flow temperature field measuring device, which is shown in figure 1 and comprises a data acquisition and display control device 1, a hydraulic controller 2, a hydraulic winch 3, an optical fiber towing rope 4, a wake flow temperature field measuring sensor array 5, a floater 6 and a cold wake flow temperature measuring sensor 7;
the data acquisition and display control device 1 is arranged in a ship building or enclosure, the hydraulic controller 2 is arranged in a watertight cabin of the ship, the hydraulic winch 3 is arranged on a deck of the ship or a superstructure of the ship, and the hydraulic winch 3 is connected with the hydraulic controller 2 through a hydraulic pipe;
one end of the optical fiber towing cable 4 is connected with the data acquisition and display control device 1 and extends and winds on the hydraulic winch 3, and the hydraulic controller 2 drives the hydraulic winch 3 to release or retract the optical fiber towing cable 4 by controlling the forward or reverse flow of hydraulic oil; the other end of the optical fiber towline 4 is respectively provided with a cold wake flow temperature measuring sensor 7, a wake flow temperature field measuring sensor array 5 and a floater 6 along the length direction, and the optical fiber towline 4 is released into the water to be measured from the upper part of the ship; wherein the density of the fiber optic streamer 4 is 0.8g/cm 3 ～1.2g/cm 3 。
The floaters 6 are streamline in shape and are used for providing buoyancy for the optical fiber towrope 4, the wake temperature field measuring sensor array 5 and the cold wake temperature measuring sensor 7, and the buoyancy generated by the floaters 6 is larger than the gravity generated by the optical fiber towrope 4, the wake temperature field measuring sensor array 5 and the cold wake temperature measuring sensor 7.
The cold wake flow temperature measuring sensor 7 measures the temperature field of the cold wake flow generated by stirring the ship body and the screw propeller in real time; the wake temperature field measuring sensor array 5 measures a mixed temperature field of a hot wake and a cold wake generated by ship thermal emission in real time; wherein the accuracy of the cold wake temperature measurement sensor 7 and the wake temperature field measurement sensor array 5 is not less than + -0.01K, and the resolution is not less than + -0.001K; the data measured in real time by the cold wake flow temperature measuring sensor 7 and the wake flow temperature field measuring sensor array 5 are transmitted to the data acquisition and display control device 1 through the optical fiber towrope 4 for analysis and display, specifically, the data acquisition and display control device 1 uses infrared characteristic analysis software to analyze and process the acquired data, and then the infrared characteristics of the thermal wake flow of the ship obtained through analysis are displayed on the display control device.
As shown in fig. 2, the wake temperature field measurement sensor array 5 is distributed with four sets of wake temperature field measurement sensor groups along the length direction of the optical fiber towrope 4, which are respectively a wake temperature field measurement sensor group I8, a wake temperature field measurement sensor group II9, a wake temperature field measurement sensor group III10 and a wake temperature field measurement sensor group IV11; in addition, as shown in fig. 3, each wake temperature field measuring sensor group has four wake temperature field measuring sensor units distributed in the longitudinal direction of the vertical optical fiber streamer 4, namely a wake temperature field measuring sensor unit I12, a wake temperature field measuring sensor unit II13, a wake temperature field measuring sensor unit III14 and a wake temperature field measuring sensor unit IV15; wherein, each wake flow temperature field measuring sensor group is fixed on a cross rod which is mutually perpendicular to the length direction of the optical fiber towing rope 4, so that the sensor group is vertical to the optical fiber towing rope 4, and the intervals among the four wake flow temperature field measuring sensor groups are gradually increased;
as shown in fig. 4, each wake temperature field measuring sensor unit is provided with a small buoy 16, a temperature sensor I17, a temperature sensor I18 and a weight 19 in sequence from the cross bar downwards, wherein the small buoy 16 is embedded with the temperature sensors for measuring the distribution of the wake temperature field of the sea surface, and the two temperature sensors and the weight 19 are in streamline shapes; at the same time, the small buoy 16 remains floating on the water surface under the combined action of the buoyancy force generated by the float 6 and the gravity force generated by the wake temperature field measurement sensor array 5.
In this embodiment, the thermal wake infrared characteristic measurement sensor array 5 may implement simultaneous measurement of wake temperature fields at a plurality of different distances behind the vessel, while the length of the lightweight optical fiber streamer 4 may be varied to increase wake temperature field measurements at different distances behind the vessel.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The self-carrying wake flow temperature field measuring device of the ship is characterized by comprising a data acquisition and display control device (1), a hydraulic controller (2), a hydraulic winch (3), an optical fiber towing rope (4), a wake flow temperature field measuring sensor array (5), a floater (6) and a cold wake flow temperature measuring sensor (7);
the data acquisition and display control device (1), the hydraulic controller (2) and the hydraulic winch (3) are all arranged on the ship body;
one end of the optical fiber towing cable (4) is connected with the data acquisition and display control device (1) and is extended and wound on the hydraulic winch (3), and the hydraulic controller (2) drives the hydraulic winch (3) to release or retract the optical fiber towing cable (4) by controlling the forward or reverse flow of hydraulic oil; the other end of the optical fiber towline (4) is provided with a cold wake flow temperature measuring sensor (7), a wake flow temperature field measuring sensor array (5) and a floater (6) along the length direction respectively, and the optical fiber towline (4) is released into the water to be measured from the upper part of the ship;
the floaters (6) provide buoyancy for the optical fiber towrope (4), the wake temperature field measuring sensor array (5) and the cold wake temperature measuring sensor (7);
the cold wake flow temperature measuring sensor (7) measures the temperature field of the cold wake flow generated by stirring the ship body and the screw propeller in real time; the wake flow temperature field measuring sensor array (5) is used for measuring a mixed temperature field of a hot wake flow and a cold wake flow generated by ship heat emission in real time; the data measured in real time by the cold wake flow temperature measuring sensor (7) and the wake flow temperature field measuring sensor array (5) are transmitted to the data acquisition and display control device (1) through the optical fiber towing cable (4) for analysis and display;
the wake temperature field measuring sensor array (5) is provided with more than two groups of wake temperature field measuring sensor groups distributed along the length direction of the optical fiber towing cables (4), and each wake temperature field measuring sensor group is provided with more than two wake temperature field measuring sensor units distributed along the length direction of the vertical optical fiber towing cables (4); wherein, each wake flow temperature field measuring sensor group is fixed on a cross rod which is mutually perpendicular to the length direction of the optical fiber towing cable (4);
the wake flow temperature field measuring sensor unit is provided with a small buoy (16), two temperature sensors and a weight (19) in sequence from the cross rod downwards;
the distance between each wake flow temperature field measuring sensor group is gradually increased;
the appearance of the floater (6), the temperature sensor and the weight (19) is streamline;
the small buoy (16) is embedded with a temperature sensor.
2. A ship self-carried wake temperature field measuring device according to claim 1, characterized in that the data acquisition and display control device (1) is arranged in a ship built or enclosed shell, the hydraulic controller (2) is arranged in a ship watertight cabin, and the hydraulic winch (3) is arranged on a ship deck or a ship superstructure.
3. A marine self-carrying wake temperature field measurement apparatus as claimed in claim 1, wherein the optical fibre streamer (4) has a density of 0.8g/cm 3 ～1.2g/cm 3 。
4. A marine self-carrying wake temperature field measurement apparatus as claimed in claim 1, wherein the float (6) is connected to the tail end of the fibre streamer (4) and generates a buoyancy force greater than the gravity forces of the fibre streamer (4), wake temperature field measurement sensor array (5) and cold wake temperature measurement sensor (7).
5. A ship's own-load wake temperature field measuring device according to claim 1, characterized in that the cold wake temperature measuring sensor (7) and wake temperature field measuring sensor array (5) are arranged with a precision of not less than + -0.01K and a resolution of not less than + -0.001K.
6. A ship's own-load wake temperature field measuring device according to claim 1, characterized in that the hydraulic winch (3) is connected to the hydraulic controller (2) via a hydraulic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710818866.7A CN107449515B (en) | 2017-09-12 | 2017-09-12 | Ship self-carrying wake flow temperature field measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710818866.7A CN107449515B (en) | 2017-09-12 | 2017-09-12 | Ship self-carrying wake flow temperature field measuring device |
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| Publication Number | Publication Date |
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| CN107449515A CN107449515A (en) | 2017-12-08 |
| CN107449515B true CN107449515B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710818866.7A Active CN107449515B (en) | 2017-09-12 | 2017-09-12 | Ship self-carrying wake flow temperature field measuring device |
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| WO2022161083A1 (en) * | 2021-01-27 | 2022-08-04 | 中国长江三峡集团有限公司 | Distributed optical fiber sensing technique-based device and method for swell monitoring |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8094886B1 (en) * | 2009-10-07 | 2012-01-10 | Sandia Corporation | Thermal wake/vessel detection technique |
| CN103134686A (en) * | 2012-12-21 | 2013-06-05 | 中国飞行试验研究院 | Water-cooling type measurement rake |
| CN207335878U (en) * | 2017-09-12 | 2018-05-08 | 中国船舶重工集团公司第七一九研究所 | A kind of self-contained wake temperature field measurement device of ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8736314B2 (en) * | 2011-03-22 | 2014-05-27 | Wisconsin Alumni Research Foundation | Leakage power management using programmable power gating transistors and on-chip aging and temperature tracking circuit |
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- 2017-09-12 CN CN201710818866.7A patent/CN107449515B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8094886B1 (en) * | 2009-10-07 | 2012-01-10 | Sandia Corporation | Thermal wake/vessel detection technique |
| CN103134686A (en) * | 2012-12-21 | 2013-06-05 | 中国飞行试验研究院 | Water-cooling type measurement rake |
| CN207335878U (en) * | 2017-09-12 | 2018-05-08 | 中国船舶重工集团公司第七一九研究所 | A kind of self-contained wake temperature field measurement device of ship |
Non-Patent Citations (1)
| Title |
|---|
| 薛蒙 ; 金仁喜 ; 范春利 ; 杨立 ; .舰船热尾流的测试技术研究.传感技术学报.2000,(第09期),全文. * |
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