CN115547523A - Space reactor double-sided radiation radiator based on high-power loop heat pipe - Google Patents

Space reactor double-sided radiation radiator based on high-power loop heat pipe Download PDF

Info

Publication number
CN115547523A
CN115547523A CN202211162682.7A CN202211162682A CN115547523A CN 115547523 A CN115547523 A CN 115547523A CN 202211162682 A CN202211162682 A CN 202211162682A CN 115547523 A CN115547523 A CN 115547523A
Authority
CN
China
Prior art keywords
radiation
heat
space
double
heat pipe
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.)
Granted
Application number
CN202211162682.7A
Other languages
Chinese (zh)
Other versions
CN115547523B (en
Inventor
张智刚
王新文
郑灵云
夏庚磊
高凯
王崧霖
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.)
Harbin Engineering University
Original Assignee
Harbin Engineering University
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 Harbin Engineering University filed Critical Harbin Engineering University
Priority to CN202211162682.7A priority Critical patent/CN115547523B/en
Publication of CN115547523A publication Critical patent/CN115547523A/en
Application granted granted Critical
Publication of CN115547523B publication Critical patent/CN115547523B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C15/00Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • G21C15/14Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from headers; from joints in ducts
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C15/00Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C15/00Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention provides a space reactor double-sided radiation radiator based on a high-power loop heat pipe, which comprises radiation plates, a space nuclear reactor, a connecting pipeline, a hinge, a condensation pipeline and a heat conduction base, wherein 12 groups of single 3kW loop heat pipes are used for coupling the radiation plates to meet the 30 kW-level radiation requirement, working media in the condensation pipeline of the loop heat pipe are condensed to release heat to the space in a radiation heat transfer mode, a loop heat pipe evaporator positioned in the space reactor transfers the heat to a condensation section in the radiation plates through the connecting pipeline, the heat is transferred to the radiation plates on two sides through the heat conduction base, and high-emissivity heat control coatings are arranged on the outer sides of the radiation plates.

Description

Space reactor double-sided radiation radiator based on high-power loop heat pipe
Technical Field
The invention belongs to the technical field of radiation radiators, and relates to a space reactor double-sided radiation radiator based on a high-power loop heat pipe.
Background
In the space environment, the spacecraft cannot discharge the rest heat to the space by utilizing a heat conduction and convection mode, and radiation heat dissipation is the only heat dissipation way of the spacecraft.
According to different application scenes of the integrated space reactor, the requirements on a waste heat discharge structure are different. For example, in ground applications waste heat can be removed by water cooling or air cooling, while in space vehicle applications heat is removed by radiators with a large radiation area. The space heat discharge system plays an important role in a spacecraft system, and has the function of discharging waste heat generated by a reactor into the universe so as to ensure the normal and safe operation of each instrument and equipment of the spacecraft system. The invention meets the requirement of high-power heat dissipation capacity of the space stack by the double-sided radiation radiator based on the high-power loop heat pipe.
Disclosure of Invention
The invention aims to provide a space reactor double-sided radiation radiator based on a high-power loop heat pipe, so as to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme: a space reactor double-sided radiation radiator based on a high-power loop heat pipe comprises radiation plates, a space nuclear reactor, connecting pipelines, hinges, a condensation pipeline and a heat conduction base, wherein 12 groups of single 3kW loop heat pipes are used for being coupled with the radiation plates to meet the 30 kW-level heat dissipation requirement, working media in the condensation pipelines of the loop heat pipes are condensed to release heat to the space in a radiation heat transfer mode, a loop heat pipe evaporator in the space reactor conveys the heat to a condensation section in the radiation plates through the connecting pipelines, the heat is transferred to the radiation plates on two sides through the heat conduction base, high-emissivity thermal control coatings are arranged on the outer sides of the radiation plates, and the heat is finally released to the space through radiation heat dissipation;
the radiation plate is made of high-heat-conductivity carbon fibers, is positioned on the outer side of the space nuclear reactor, and one end of the radiation plate is fixed by a hinge and can rotate around the end; the outer surface of the radiation plate is adhered with an optical solar reflector.
In the space reactor double-sided radiation radiator based on the high-power loop heat pipe, the contact part of the radiation plate and the heat conduction base is filled with the high-heat-conduction filler to reduce the contact thermal resistance, the outer side of the pipe wall of the condensation pipeline is tightly matched with the inner side of the heat conduction base and filled with the heat conduction silicone grease to reduce the contact thermal resistance, and the heat conduction base is made of aluminum, so that the requirements of good heat conductivity and weight reduction can be met.
In the space reactor double-sided radiation radiator based on the high-power loop heat pipe, in order to achieve the aim of double-sided radiation, the cross section of the heat conduction base is designed into a fin-like structure which is distributed in an up-and-down symmetrical mode, the purpose of closely contacting a condensation pipeline is achieved, meanwhile, the heat conduction base is conveniently contacted with a plane structure of a radiation plate, and the contact area is increased.
In the space reactor double-sided radiation radiator based on the high-power loop heat pipe, in order to avoid mutual radiation heat transfer among all the radiation plates, the upper surface and the lower surface of 12 groups of radiation plates are completely faced to space radiation heat radiation.
In the space reactor double-sided radiation radiator based on the high-power loop heat pipe, in order to meet certain strength, the thickness of the radiation plate is more than 1 mm.
Compared with the prior art, the space reactor double-sided radiation radiator based on the high-power loop heat pipe has the advantages that: the high-power double-sided radiation radiator based on the loop heat pipe can solve the problem of high-power radiation of a space nuclear reactor, provides a good temperature environment for a spacecraft, has the advantages of strong heat transfer capacity, light weight, high reliability and the like, and does not need a pump to convey working media.
Drawings
FIG. 1 is a schematic view of a radiant heat sink system provided by the present invention.
Fig. 2 is a schematic diagram of the internal structure of the radiation plate coupled condenser section provided by the present invention.
FIG. 3 is a schematic diagram of an internal structure of a heat conducting base coupled with a condensing pipe of a condensing section according to the present invention.
In the figure, 1, a radiation plate; 2. a spatial nuclear reactor; 3. connecting a pipeline; 4. a hinge; 5. a condensing line; 6. a thermally conductive base.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the high-power double-sided radiation radiator based on the loop heat pipe mainly comprises a radiation plate, a condensation pipeline, a heat conduction base and a connecting pipeline; the loop heat pipe evaporator positioned in the space reactor star body conveys heat to a condensation section in the radiation plate through a connecting pipeline, the heat is transferred to the radiation plates on two sides through the heat conducting base, the high-emissivity thermal control coating is arranged on the outer side of each radiation plate, and the heat is finally discharged to the space through radiation heat dissipation.
One or more loop heat pipes are arranged, a condensation section of each loop heat pipe is sleeved on the heat conduction base and fixed on the inner surface of the radiation cold plate, and an evaporator and a heat reservoir of each loop heat pipe are fixed on the heat dissipation device.
And a glass secondary surface mirror (OSR) is pasted on the outer surface of the radiation cold plate or KS-ZA white paint is sprayed on the outer surface of the radiation cold plate.
The radiation cold plate is made of heat conduction materials with the heat conduction coefficient of more than 350W/(m.K).
The radiation plate is made of asphalt-based high-thermal-conductivity carbon fibers.
The distance between any two adjacent condensation pipes is 100-200 mm.
The contact surface of the heat conduction base and the radiation plate is coated with heat conduction silver colloid or heat conduction silicone grease.
The loop heat pipe is a cylindrical loop heat pipe.
Furthermore, the working medium of the loop heat pipe is water.
As shown in the attached drawing, the heat released by the condensation of the working medium in the condensation pipeline 5 of the loop heat pipe can be discharged to the space by means of radiation heat transfer. The invention mainly comprises a radiation plate 1, a condensation pipeline 5, a heat conduction base 6 and a connecting pipeline 3; a loop heat pipe evaporator positioned in a space reactor star body 2 conveys heat to a condensation section in a radiation plate 1 through a connecting pipeline 3, the heat is transferred to the radiation plates 1 on two sides through a heat conduction base 6, a high-emissivity thermal control coating is arranged on the outer sides of the radiation plates 1, and the heat is finally discharged to the space through radiation heat dissipation.
The radiation plate is made of high-thermal-conductivity carbon fiber, the thermal conductivity coefficient is larger than 350W/m.K, the density is not larger than 1.9g/cm < 3 >, the radiation plate 1 is positioned on the outer side of the space nuclear reactor star body 2, and one end of the radiation plate is fixed by a hinge 4 and can rotate around the end; and an OSR sheet is stuck on the outer surface of the radiation plate or high-emissivity white paint is sprayed on the outer surface of the radiation plate.
The contact position of the radiation plate 1 and the heat conduction base 6 is filled with high-heat-conduction filler to reduce contact thermal resistance, the outer side of the pipe wall of the condensation pipeline 5 is tightly matched with the inner side of the heat conduction base 6 and is filled with heat-conduction silicone grease to reduce contact thermal resistance, and the heat conduction base 6 is made of aluminum, so that the requirements of good heat conductivity and weight reduction can be met.
In order to realize the aim of double-sided heat dissipation, the cross section of the heat conduction base 6 is designed into a fin-like structure which is distributed in an up-down symmetrical mode, so that the purpose of closely contacting the condensation pipeline 5 is realized, meanwhile, the heat conduction base is conveniently contacted with the plane structure of the radiation plate 1, and the contact area is increased.
In order to satisfy a certain strength, the thickness of the radiation plate 1 is more than 1 mm.
In order to avoid mutual radiation heat transfer among the radiation plates 1, 12 groups of radiation plates 1 are arranged as shown in figure 1, and the upper and lower surfaces of the radiation plates are completely faced to space radiation heat dissipation.
The high-power double-sided radiation radiator based on the loop heat pipe can solve the problem of high-power radiation of a space nuclear reactor, provides a good temperature environment for a spacecraft, has the advantages of strong heat transfer capacity, light weight, high reliability and the like, and does not need a pump to convey working media.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (5)

1. A space reactor double-sided radiation radiator based on a high-power loop heat pipe is characterized by comprising radiation plates (1), a space nuclear reactor (2), a connecting pipeline (3), a hinge (4), a condensation pipeline (5) and a heat conduction base (6), wherein 12 groups of single 3kW loop heat pipes are used for coupling the radiation plates (1) to meet the 30 kW-level heat dissipation requirement, working media in the condensation pipeline (5) of the loop heat pipes are condensed and discharged to the space in a radiation heat transfer mode, a loop heat pipe evaporator positioned in the space reactor (2) transfers heat to a condensation section in the radiation plates (1) through the connecting pipeline (3), the heat is transferred to the radiation plates (1) on two sides through the heat conduction base (6), a high-emissivity heat control coating is arranged on the outer side of the radiation plates (1), and the heat is finally discharged to the space through radiation heat dissipation;
the radiation plate (1) is made of high-heat-conductivity carbon fibers, the radiation plate (1) is positioned on the outer side of the space nuclear reactor (2), and one end of the radiation plate (1) is fixed by a hinge (4) and can rotate around the end; the outer surface of the radiation plate is adhered with an optical solar reflector.
2. The space reactor double-sided radiation radiator based on the high-power loop heat pipe as claimed in claim 1, wherein the contact position of the radiation plate (1) and the heat conduction base (6) is filled with high heat conduction filler to reduce contact thermal resistance, the outer side of the pipe wall of the condensation pipeline (5) is tightly matched with the inner side of the heat conduction base (6) and filled with heat conduction silicone grease to reduce contact thermal resistance, and the heat conduction base (6) is made of aluminum, so that the requirements of good heat conductivity and weight reduction can be met.
3. The double-sided radiation radiator of the space reactor based on the high-power loop heat pipe as claimed in claim 1, wherein, in order to achieve the double-sided radiation, the cross section of the heat conducting base (6) is designed into a fin-like structure which is distributed symmetrically up and down, so as to achieve the purpose of closely contacting the condensing pipeline (5), facilitate the contact with the plane structure of the radiation plate (1), and increase the contact area.
4. The double-sided radiation radiator of the space reactor based on the high-power loop heat pipe as claimed in claim 1, in order to avoid mutual radiation heat transfer among all the radiation plates (1), the upper surface and the lower surface of 12 groups of radiation plates (1) are completely faced to the space for radiation heat dissipation.
5. The space reactor double-sided radiation radiator based on the high-power loop heat pipe as claimed in claim 1, characterized in that, in order to satisfy a certain strength, the thickness of the radiation plate (1) is more than 1 mm.
CN202211162682.7A 2022-09-23 2022-09-23 Space reactor double-sided radiation radiator based on high-power loop heat pipe Active CN115547523B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211162682.7A CN115547523B (en) 2022-09-23 2022-09-23 Space reactor double-sided radiation radiator based on high-power loop heat pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211162682.7A CN115547523B (en) 2022-09-23 2022-09-23 Space reactor double-sided radiation radiator based on high-power loop heat pipe

Publications (2)

Publication Number Publication Date
CN115547523A true CN115547523A (en) 2022-12-30
CN115547523B CN115547523B (en) 2024-02-13

Family

ID=84729101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211162682.7A Active CN115547523B (en) 2022-09-23 2022-09-23 Space reactor double-sided radiation radiator based on high-power loop heat pipe

Country Status (1)

Country Link
CN (1) CN115547523B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709781A (en) * 1968-05-24 1973-01-09 Euratom Space nuclear plant
CN103258576B (en) * 2012-02-17 2015-12-16 中国原子能科学研究院 Nuclear reactor for moon surface
US10276271B2 (en) * 2013-04-25 2019-04-30 Triad National Security, LLC. Electric fission reactor for space applications
CN110085330A (en) * 2019-04-10 2019-08-02 西安交通大学 A kind of crash sub-critical spaces nuclear reactor power supply
CN109631634B (en) * 2019-01-17 2020-03-31 西安交通大学 Rotary expansion type variable power space radiation radiator
CN112284172A (en) * 2020-10-29 2021-01-29 上海卫星装备研究所 Space radiation radiator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709781A (en) * 1968-05-24 1973-01-09 Euratom Space nuclear plant
CN103258576B (en) * 2012-02-17 2015-12-16 中国原子能科学研究院 Nuclear reactor for moon surface
US10276271B2 (en) * 2013-04-25 2019-04-30 Triad National Security, LLC. Electric fission reactor for space applications
CN109631634B (en) * 2019-01-17 2020-03-31 西安交通大学 Rotary expansion type variable power space radiation radiator
CN110085330A (en) * 2019-04-10 2019-08-02 西安交通大学 A kind of crash sub-critical spaces nuclear reactor power supply
CN112284172A (en) * 2020-10-29 2021-01-29 上海卫星装备研究所 Space radiation radiator

Non-Patent Citations (13)

* Cited by examiner, † Cited by third party
Title
GENGLEI XIA: "study on flow and heat transfer performance of space reactor radiator water heat pipe", INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, vol. 4, 12 August 2022 (2022-08-12) *
丰茂龙;范含林;黄家荣;陈江平;: "国外新型热管式空间辐射器研究进展", 航天器工程, no. 06, 15 November 2011 (2011-11-15) *
余小章: "热管辐射器热分析", 南京航空航天大学学报, no. 02, 30 April 1995 (1995-04-30) *
刘欣;梁新刚;: "太空辐射器传热优化设计及分析", 宇航学报, vol. 37, no. 05, 30 May 2016 (2016-05-30), pages 607 *
刘欣等: "太空辐射器传热优化设计及分析" *
刘逍;张文文;王成龙;张大林;田文喜;秋穗正;苏光辉;: "空间堆辐射散热器设计分析" *
刘逍;张文文;王成龙;张大林;田文喜;秋穗正;苏光辉;: "空间堆辐射散热器设计分析", 原子能科学技术, no. 005, 31 December 2018 (2018-12-31) *
卢佳鑫;孙贺涛;栾秀春;周成;王戈: "空间大功率热排放***设计", 空间电子技术, no. 002, 31 December 2021 (2021-12-31) *
张文文;刘逍;田文喜;秋穗正;苏光辉;: "兆瓦级空间热管反应堆动力***概念设计", 原子能科学技术, no. 12, 20 December 2017 (2017-12-20) *
张昊春: "MW级空间核反应堆***热管式辐射散热器分析及优化", vol. 54, no. 7 *
张秀;张昊春;刘秀婷;尹德状;: "空间核电源热管式辐射散热器热分析与参数优化", no. 04 *
石佳子: "空间大功率热排放***的设计与优化", 硕士论文工程科技II辑, vol. 2020, 15 December 2020 (2020-12-15) *
胡古等: "空间核反应堆电源技术概览", vol. 4, no. 5 *

Also Published As

Publication number Publication date
CN115547523B (en) 2024-02-13

Similar Documents

Publication Publication Date Title
JP6542951B2 (en) High efficiency heat dissipation device and cogeneration system for photovoltaic panels
CN101510533B (en) Novel microelectronic device radiator
CN207099513U (en) A kind of good degree of protection of heat sinking function is up to 65 grades and the electric cabinet of the above
CN109219319B (en) Isothermal integrated heat dissipation device suitable for micro-nano satellite
CN109612315A (en) Phase-change heat radiating device
CN110190356A (en) A kind of new-energy automobile power battery pallet with heat-pipe radiating apparatus
CN103591824A (en) Heat collecting storer
CN115547523A (en) Space reactor double-sided radiation radiator based on high-power loop heat pipe
CN201106736Y (en) Heat-insulating layer capable of shielding radiating heat and convection heat
CN111902019B (en) Thermal control device of satellite-borne phased array radar
WO2022027751A1 (en) Big-data server case
CN208156595U (en) A kind of radiator
CN201837956U (en) External radiator of notebook computer and portable small heat emitting machine
WO2014157761A1 (en) Vacuum solar heat collection panel and solar heat collection module using same
CN211666127U (en) Wall heating plate
CN213593836U (en) Thermal insulation board with good thermal insulation
CN210432265U (en) Heat radiation structure of high-heating graphene
CN209845609U (en) Radiation heat transfer and dissipation device
CN110863626A (en) Wall heating plate
CN201050897Y (en) Solar heat-collecting tube
RU2797894C1 (en) Radiant hybrid structure panel
CN204943932U (en) Near space solar heat-storing device
CN215984137U (en) Radiator using spring heat pipe
CN220417451U (en) Gravity heat pipe radiator
CN115493432A (en) Low-temperature heat pipe and low-temperature heat control device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant