[보고서]QM급 LHP 기본설계 및 제작과 시험평가 방법 개발

김봉훈

보고서 정보

주관연구기관

대구대학교
DaeGu University

연구책임자

김봉훈

보고서유형

2단계보고서

발행국가

대한민국

언어

한국어

발행년월

2016-02

과제시작연도

2014

주관부처

미래창조과학부
Ministry of Science, ICT and Future Planning

과제관리전문기관

한국연구재단
National Research Foundation of Korea

등록번호

TRKO201700009387

과제고유번호

1711014386

사업명

우주핵심기술개발사업

DB 구축일자

2017-10-28

키워드

루프히트파이프(LHP).열제어.우주환경시험.메탈윅.인공위성.LHP(Loop Heat Pipe).Thermal control.Space environmental test.Metal wick.Satellite.

DOI

https://doi.org/10.23000/TRKO201700009387

표 Research background
표 Schematics of embedded heat spreading structure using conventional heat pipes
표 Schematic configuration of heat removing device using LHP
표 Schematic configuration of LHP
표 Detailed dimension and configuration of LHP
표 Detailed configuration of eva/cond tube(part-3)
표 SEM image for axial cross-section of Eva/Cond tube (LHP-Russian sample)
표 Measured dimension of Eva/Cond tube
표 Design modification of machining tip 5
표 Cross-sectional view of wall groove machined by Tip1-60-20130726-710-rep1 (Pitch: 250.5㎛, Groove width: 120.3㎛, Groove Depth: 68.7㎛)
표 SEM image of T255 Ni powder
표 Ni-paraffin wax molding test to check mixing condition
표 Photograph of sample made in molding process
표 Effect of sintering temperature
표 SEM image of SP4
표 SEM image of Test 2-3
표 Measurement locations of sintered bar
표 Characteristics of T255 porous metal
표 Characteristics of sintered porous metal
표 Location of sintered bar in the furnace
$Test of capillary absorption from the fractured surface of the sintered bar$ 표 Test of capillary absorption from the fractured surface of the sintered bar
표 Photograph of sintered blocks to check the machinability and porosity
표 Porosity measurement of porous metal
표 Test of mechanical property for the sintered bar
표 Photograph of the metal wick inserted into the LHP
표 Design modification of metal wick
표 Summary of LHP prototypes
표 Photograph of metal wick assembled with Eva/Cond tube
표 Amount of thermal expansion versus temperature
표 Cross-sectional view of evaporator and condenser
표 Detailed configuration of vapor line(part-6)
표 Detailed configuration of liquid line(part-7)
표 Schematic array of LHP parts for welding
표 Photograph of fabrication fixture to assemble LHP parts
표 X-ray image of LHP S4QM
표 Internal volume of LHP
표 List of graphs to evaluate LHP performance
표 Identification of test code
표 Heat transport limit for the given charge
표 Variation of heat transport capacity with charge amount
표 Summary of performance and operating characteristics
표 Evaporator temperature versus heat transport capacity after startup
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference between vapor and liquid sides
표 Thermal resistance versus heat input
표 Variation of LHP temperature with time for the repeated heat load using S4QM prototype (S4QM-78-H-290-TC-20150329)
표 Variation of heater temperature with time for the repeated heat load using S4QM prototype(S4QM-78-H-290-TC-20150329)
표 Variation of mean evaporator and condenser temperature with time for the repeated heat load using S4QM prototype (S4QM-78-H-290-TC-20150329)
표 Variation of temperature and heat input with time
표 Variation of temperature and heat input with time during startup using S4QM
표 Variation of temperature and heat input with time during startup using QM01
표 Temperature difference versus heat input for different LHP prototypes (S4QM and QM01)
표 Overall thermal resistance versus heat input for different LHP prototypes (S4QM and QM01)
표 Development schedule of QM grade LHP(Daegu University) presented in the first-year proposal
표 Collaboration process between Dae-Hong and Daegu University in development of QM grade LHP(presented in the second-stage proposal)
표 Configuration of metal wick assembled in evaporator and condenser
표 Comparison of porous-wick manufacturing process
표 Thermal cycle test
표 Thermal balance test
표 Nodes and Lumps corresponding to LHP
표 Thermal network of LHP
표 Fluid network of LHP
표 Temperature of the Nodes at the steady state(Heater power=1000 W, Uc=20000, Ue=40000 W/m2.℃)
표 Temperature and mass flow rate of fluid network in LHP(Heater power=1000 W, Uc=20000, Ue=40000 W/m2.℃)
표 Temperature versus heater power at the steady state
표 Review on the limitations of SINAPS PLUS analysis
표 Model prediction compared with experimental data
표 Conventional shape for LHP+Saddle(Ring-type)
표 Design innovation for LHP+Saddle(Block-type)
표 Boundary conditions
표 Temperature and heat flux distribution for the saddle(Ring-type)
표 Temperature and heat flux distribution for the saddle(Block-type)
표 Comparison of ring and bock type saddle in view of heat transfer capability and weight
표 Conceptual design of saddles mounted on LHP evaporator and condenser
표 Schematics of the saddle mounted on LHP evaporator
표 Combination of variables for parametric study
표 Temperature and heat flux distribution for the parametric combination (Te36.5-Tso55-Cst6000)
표 Heat transfer for the parametric combination
표 Prediction of heat transfer for the given ΔT and Cst: Theoretical evaluation of ANSYS results using experimental data
표 Schematics of the saddle mounted on LHP
표 Combination of variables for parametric study
표 Temperature and heat flux distribution for the parametric combination (33-10-5000)
표 Heat transfer for the parametric combination
표 Condenser temperature variation as a function of heater power for the given sink temperature and interfacial conductance
표 Configuration of LHP for pressure modeling
표 Boundary condition
표 Boundary conditions for pressure modeling
표 Stress distribution of LHP(Temperature: 20℃, Pressure: 120bar)
표 Deformation distribution of LHP(Temperature: 20℃, Pressure: 120bar)
표 Amount of deformation at different axial locations
표 Amount of deformation as a function of pressure
표 Configuration of evaporator designed for LHP thermal modeling
표 Cross-sectional view of evaporator designed for LHP thermal modeling
표 Thermal network for LHP evaporator
표 Boundary conditions for ANSYS modeling
표 Combination of variables for parametric study
표 Variation of temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Graphical view of temperature distribution for thermal elements in LHP evaporator (he:40000, Ctw:6000, Cht:6000)
표 Prediction of evaporator and heater temperature for the parametric combination
표 Temperature and heat flux distribution for the parametric combination (6000-6000-40000)
표 Temperature and heat flux distribution at the evaporative interface(Ctw=6000, Cht=6000, he=40000)
표 Temperature profile at the evaporative interface(Ctw=6000, Cht=6000, he=40000)
표 Heat flux profile at the evaporative interface(Ctw=6000, Cht=6000, he=40000)
표 Reverse calculation of evaporative heat transfer coefficient to check validity of LHP evaporator model
표 Tube temperature T4-any vs. he for the given Cht(Ctw=6000, Ts=33℃)
표 Tube temperature T4-any vs. he for the given Ctw(Cht=6000, Ts=33℃)
표 Average heater temperature vs. he for the given Cht(Ctw=6000, Ts=33℃)
표 Average heater temperature vs. he for the given Ctw(Cht=6000, Ts=33℃)
표 Comparison of T-Q graph for both theoretical modeling and experiment
표 Configuration of condenser designed for LHP thermal modeling
표 Cross-sectional view of condenser designed for LHP thermal modeling
표 Thermal network for LHP condenser
표 Boundary conditions for ANSYS modeling
표 Combination of variables for parametric study
표 Variation of temperature and heat input with time
표 Graphical view of temperature distribution for thermal elements in LHP condenser (Ctw=6000, hf=4000, hc=20000)
표 Prediction of condenser temperature for the parametric combination
표 Temperature and heat flux distribution for the parametric combination (6000-4000-20000)
표 Temperature and heat flux distribution at condensing interface(Ctw=6000, hf=4000, hc=20000)
표 Temperature profile at the condensing interface(Ctw=6000, hf=4000, hc=20000)
표 Heat flux profile at the condensing interface(Ctw=6000, hf=4000, hc=20000)
표 Reverse calculation of condensation heat transfer coefficient to check validity of LHP condenser model
표 Tube temperature T8-any vs. hc for the given Ctw(hf=4000, Ts=36℃)
표 Tube temperature T8-any vs. hc for the given hf(Ctw=6000, Ts=36℃)
표 Comparison of T-Q graph for both theoretical modeling and experiment
표 Annual research objectives
표 Evaluation of achievement in the first year
표 Evaluation of achievement in the second year
표 Evaluation of achievement in the third year
표 Evaluation of achievement according to degree of importance
표 Detailed configuration of LHP
표 Detailed configuration of evaporator metal wick(part-1)
표 Detailed configuration of condenser metal wick(part-2)
표 Detailed configuration of eva/cond tube(part-3)
표 Detailed configuration of Compensation tube(part-4)
표 Detailed configuration of cap(part-5)
표 Detailed configuration of vapor line(part-6)
표 Detailed configuration of liquid line(part-7)
표 Detailed configuration of Eva/Cond tube(part-3)
표 Recommended machining procedure of Eva/Cond tube(part-3)
표 Size checking of Eva/Cond tube(part-3)
표 Design innovation of machining tip 1, 2, 3
표 Design innovation of machining tip 3, 4, 5
표 Cross-sectional view of wall groove machined by Tip1-60-20130726)
표 Cross-sectional view of wall groove machined by Tip1-60-20130802)
표 Cross-sectional view of wall groove machined by Tip4-50-20140318)
표 Cross-sectional view of wall groove machined by Tip3-40-20140411-rep2)
표 Cross-sectional view of wall groove machined by Tip3-40-20140411-rep3)
표 Manufacturing process of T255 porous metal
표 SEM image of T255 Ni powder
표 Recommended mixing procedure for Ni-paraffin
표 Photograph of the mixer(PREMIER MILL, USA)
표 Schematics of molding equipment
표 Recommended molding procedure
표 Photograph of molding press(150ton)
표 Detailed dimension of molding pattern
표 Picture of molding pattern
표 Recommended sintering procedure
표 Effect of sintering temperature
표 Picture of sintering furnace using hydrogen
표 Temperature-time diagram for sintering(Degas: 100℃, Debinding: 240℃, Sintering: 400℃)
표 SEM image of ST1
표 SEM image of ST2
표 SEM image of ST3
표 SEM image of ST4
표 SEM image of ST5
표 SEM image of Test 1-1
표 SEM image of Test 1-2
표 SEM image of Test 2-1
표 SEM image of Test 2-3
표 Characteristics of T255 porous metal
표 Determination of the filter (or Darcy) velocity
표 Wick property data referred from previous studies
표 Schematics of permeability test apparatus
표 Photograph of a metal wick installed in the test section
표 Specification of test samples.
표 Variation of permeability for the given flow rate and pressure drop
표 Recommended machining procedure for metal wick
표 SEM image of machined surface located on the bottom of channel
표 SEM image of peripheral surface
표 Summary of design modification for metal wick
표 Design modification of metal wick 1x1-12
표 Design modification of metal wick WD 1x2-12
표 Design modification of metal wick WD 1x1-16
표 Design modification of metal wick WD 1X1-8, 1x2-8
표 Summary of design specifications observed in assembling Eva/Cond tube and metal wick
표 Recommended thermal plugging procedure
표 Picture of thermal plugging device
표 Detailed configuration of cap(part-5)
표 Recommended pressing procedure for cap(part-5)
표 Manufacturing procedure for cap
표 Picture of mold for cap
표 Picture of cap(part-5)
표 Detailed configuration of tube bending jig
표 Picture of tube bending jig
표 Schematic array of LHP parts for welding
표 Recommended procedure for welding
표 Detailed configuration of LHP assembling jig
표 Cleaning of LHP
표 Picture of vacuum and charging apparatus
표 A schematic diagram of the vacuum and charging apparatus
표 Optimization of ammonia charge
표 Startup test of LHP
표 A schematic diagram of the experimental setup
표 Picture of LHP vacuum test facility
표 A photograph of LHP installed in the vacuum chamber
표 Locations of thermocouples for temperature measurement
표 Locations of thermocouples for heater temperature
표 Detailed configuration of cooling jacket
표 Detailed configuration of heater block
표 Density versus temperature for the given concentration
표 Specific heat versus temperature for the given concentration
표 Summary of LHP vacuum chamber test
표 List of LHP performance diagram
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 Variation of LHP temperature and heat input with time
표 Variation of heater temperature and heat input with time
표 Variation of mean evaporator and condenser temperature with time
표 Mean evaporator temperature versus heat input
표 Temperature difference versus heat input
표 Overall thermal resistance versus heat input
표 A schematic diagram of the LHP
표 Capillary pressure to guarantee normal operation of LHP
표 Vapor pressure of ammonia
표 Pressure difference corresponding to mean evaporator and condenser temperature
표 Schematics of LHP thermal network
표 Temperature difference versus heat input for different LHP prototypes (S4QM and QM01)
표 Overall thermal resistance versus heat input for different LHP prototypes (S4QM and QM01)
표 Categories of TPHHTE(two-phase heat transport equipment)
표 Figure-of-merit(G) for some TPHTE fluids
표 Definition of temperature and performance ranges for a HP
표 Qualification test sequence for HP
표 Qualification test sequence for CDL
표 TPHTE documentation
표 Classification of test model
표 Comparison of spacecraft-level thermal testing
표 Comparison of component-level thermal testing
표 Test conditions of thermal cycle test
표 Test conditions of thermal vacuum test
표 Thermal cycle test
표 Shroud Design Specification
표 Detailed configuration of vacuum and gas chamber
표 Detailed configuration of shroud and heater
표 Cross-sectional schematics of vacuum-jacket pipe
표 Schedule of PDR for developing QM grade LHP
표 Summary of final PDR-1
표 Summary of final PDR-2
표 Internal view of KARI TVT chamber
표 Test procedure in view of temperature
표 Locations of thermocouples
표 Temperature variation LHP during KARI-TVT test
표 Line
표 Loop
표 Line
표 Drawing for LHP+Saddle

과제명(ProjectTitle) :	-
연구책임자(Manager) :	-
과제기간(DetailSeriesProject) :	-
총연구비 (DetailSeriesProject) :	-
키워드(keyword) :	-
과제수행기간(LeadAgency) :	-
연구목표(Goal) :	-
연구내용(Abstract) :	-
기대효과(Effect) :	-

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 제목(한글), 저자명(한글), 발행일자, 전자원문, 초록(한글), 초록(영문) 관리번호, 제목(한글), 제목(영문), 저자명(한글), 저자명(영문), 주관연구기관(한글), 주관연구기관(영문), 발행일자, 총페이지수, 주관부처명, 과제시작일, 보고서번호, 과제종료일, 주제분류, 키워드(한글), 전자원문, 키워드(영문), 입수제어번호, 초록(한글), 초록(영문), 목차
저장형식	Text(ASCII format) Excel format
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

[국가R&D연구보고서] QM급 LHP 기본설계 및 제작과 시험평가 방법 개발
Development of basic design, manufacturing and qualification procedure for QM grade LHP 원문보기

초록

Abstract ▼

목차 Contents

표/그림 (300)

표/그림 (300)

참고문헌 (25)

연구과제 타임라인

관련 콘텐츠

원문 보기

이 보고서와 함께 이용한 콘텐츠

연관된 기능

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

연합인증

[국가R&D연구보고서] QM급 LHP 기본설계 및 제작과 시험평가 방법 개발 Development of basic design, manufacturing and qualification procedure for QM grade LHP 원문보기

초록

Abstract ▼

목차 Contents

표/그림 (300) 모든 표/그림 보기

표/그림 (300) 슬라이드로 보기

참고문헌 (25)

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

관련 콘텐츠

원문 보기

이 보고서와 함께 이용한 콘텐츠

연관된 기능

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

[국가R&D연구보고서] QM급 LHP 기본설계 및 제작과 시험평가 방법 개발
Development of basic design, manufacturing and qualification procedure for QM grade LHP 원문보기

표/그림 (300)

표/그림 (300)