Article(id=1281688002095190649, tenantId=1146029695717560320, journalId=1281212996840067084, issueId=1281687939268719086, articleNumber=null, orderNo=null, doi=10.11728/cjss2026.02.2025-0050, pmid=null, cstr=32142.14.cjss.2025-0050, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743609600000, receivedDateStr=2025-04-03, revisedDate=1768147200000, revisedDateStr=2026-01-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1783507832310, onlineDateStr=2026-07-08, pubDate=1773504000000, pubDateStr=2026-03-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783507832310, onlineIssueDateStr=2026-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783507832310, creator=13701087609, updateTime=1783507832310, updator=13701087609, issue=Issue{id=1281687939268719086, tenantId=1146029695717560320, journalId=1281212996840067084, year='2026', volume='46', issue='2', pageStart='265', pageEnd='566', issueExtLink='null', onlineDate='null', pubDate='1773504000000', pubDateStr='2026-03-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1783507817332, creator='13701087609', updateTime=1783508069046, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1281688995138605320, tenantId=1146029695717560320, journalId=1281212996840067084, issueId=1281687939268719086, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1281688995138605321, tenantId=1146029695717560320, journalId=1281212996840067084, issueId=1281687939268719086, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=392, endPage=402, ext={EN=ArticleExt(id=1281688002300711546, articleId=1281688002095190649, tenantId=1146029695717560320, journalId=1281212996840067084, language=EN, title=Thermal Control Design and Verification of Extravehicular Load Equipment, columnId=1281687939994333679, journalTitle=Chinese Journal of Space Science, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problem of frequency stability and transmission accuracy decrease caused by temperature fluctuation during on-orbit operation of an extravehicular load equipment, a highly efficient thermal control scheme is proposed which bases on passive thermal control as the main approach and active thermal control as the auxiliary method. The scheme employs a single-phase liquid cold plate as the main heat dissipation surface, and 10-unit multi-layer insulation components for comprehensive encapsulation. High thermal conductivity materials are utilized to achieve efficient heat conduction. Simultaneously, heating sheets and TEC semiconductor ceramic sheets are used for precise temperature control. Through finite element simulation analysis of temperature distribution under both high and low temperature conditions and optimization design, the temperature variation of key components is controlled within ±0.5 K. The ground constant-temperature thermal balance experiment and the in-orbit data results indicate that this scheme effectively suppresses the interference of temperature fluctuations on the load equipment, significantly improves the overall temperature uniformity of the equipment. It enables photodiodes and other sensitive devices to operate within the optimal temperature range (25-50°C). The temperature change rate of temperature-sensitive devices on the extravehicular load equipment is better than 0.1 K·min–1, meeting the on-orbit stability requirements of high-precision time-frequency transmission systems. It can provide an important reference for the thermal control design of similar space load equipment.
, authors=Xiaoqiao QI
1, Qinglin ZHU
2, Lei YANG
3, Zhihong QIAO
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为了解决某舱外载荷设备在轨运行时因温度波动导致频率稳定性和传递精度下降的问题, 提出一套以被动热控为主、主动热控为辅的高效热控方案. 方案采用单相液冷冷板作为主散热面, 10单元多层隔热组件进行全方位包覆, 并利用高导热材料实现高效热传导; 同时辅以加热片与TEC半导体陶瓷片进行精确控温. 通过有限元仿真分析高低温工况下的温度分布并进行优化设计, 将关键部件温度变化控制在±0.5 K以内. 地面常温热平衡实验和在轨数据结果表明, 该方案有效抑制了温度波动对载荷设备的干扰, 显著提升了设备整体温度均匀性, 使光电二极管等敏感器件工作于最佳温度范围(25~50℃), 舱外载荷温度敏感器件温度变化速率优于0.1 K·min–1, 满足了高精度时频传输系统的在轨稳定性要求, 可为同类航天载荷设备热控设计提供重要参考.
, authors=齐晓巧
1, 朱清淋
2, 杨雷
3, 乔志宏
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 |
齐晓巧 女, 1987年10月出生于河北省保定市, 现为北华航天工业学院机电工程学院讲师, 硕士导师, 主要研究方向为机械设计理论研究、结构热控设计、减振降噪研究等. E-mail: qixiaoqiao315@163.com |
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3北京中科宇航技术有限公司创新中心 北京 100176)])], figs=[ArticleFig(id=1281688011549151955, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.1, caption=
Layout of each device in the structure, figureFileSmall=LCF6BVtAzvBuidIA5cTeZw==, figureFileBig=Zdfx3m+FD3a5KXT88dF9Ag==, tableContent=null), ArticleFig(id=1281688011628843732, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图1, caption=
各器件在设备结构中的布局位置, figureFileSmall=LCF6BVtAzvBuidIA5cTeZw==, figureFileBig=Zdfx3m+FD3a5KXT88dF9Ag==, tableContent=null), ArticleFig(id=1281688011834364629, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.2, caption=
Heat dissipation channels of the device, figureFileSmall=Lb9YTgIpJr+FHjsU7DTqfA==, figureFileBig=LxOZ+1YCKxXJCVAoq/CruA==, tableContent=null), ArticleFig(id=1281688011918250710, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图2, caption=
器件散热途径, figureFileSmall=Lb9YTgIpJr+FHjsU7DTqfA==, figureFileBig=LxOZ+1YCKxXJCVAoq/CruA==, tableContent=null), ArticleFig(id=1281688011993748183, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.3, caption=
Overall situation of structural layout design, figureFileSmall=GOZuMnPuATkLiXHlOLCGXA==, figureFileBig=7QNSGnAdzQNVdKbe/YR/Ng==, tableContent=null), ArticleFig(id=1281688012060857048, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图3, caption=
结构布局设计的整体情况, figureFileSmall=GOZuMnPuATkLiXHlOLCGXA==, figureFileBig=7QNSGnAdzQNVdKbe/YR/Ng==, tableContent=null), ArticleFig(id=1281688012153131737, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.4, caption=
Flight attitude and thermal model, figureFileSmall=tDRAQ5qkObz/IC8xoWkHzg==, figureFileBig=Wu+OggBGORlaniIjaSL4rQ==, tableContent=null), ArticleFig(id=1281688012249600730, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图4, caption=
飞行姿态及热模型, figureFileSmall=tDRAQ5qkObz/IC8xoWkHzg==, figureFileBig=Wu+OggBGORlaniIjaSL4rQ==, tableContent=null), ArticleFig(id=1281688012362846939, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.5, caption=
Intensity of direct solar radiation reaching each orientation plane at β = 65.5° and β = 0°, figureFileSmall=hkUQCjPDVmQ6E5QeTB2TPw==, figureFileBig=uFF98JkJhwC7xQrzmtbvIg==, tableContent=null), ArticleFig(id=1281688012446733020, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图5, caption=
β角为65.5°和0°时各朝向面到达太阳直射的辐射强度, figureFileSmall=hkUQCjPDVmQ6E5QeTB2TPw==, figureFileBig=uFF98JkJhwC7xQrzmtbvIg==, tableContent=null), ArticleFig(id=1281688012522230493, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.6, caption=
Temperature distribution under high temperature conditions, figureFileSmall=uSFsnxa+ki4XHrzh+YFkbg==, figureFileBig=ysu+qxeLHKLKO8OQBZhmVA==, tableContent=null), ArticleFig(id=1281688012606116574, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图6, caption=
高温工况下温度分布情况, figureFileSmall=uSFsnxa+ki4XHrzh+YFkbg==, figureFileBig=ysu+qxeLHKLKO8OQBZhmVA==, tableContent=null), ArticleFig(id=1281688012673225439, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.7, caption=
Photodiode temperature curve with time under high temperature condition, figureFileSmall=2A7+5pDyLduCquRl1Kghzw==, figureFileBig=tnPLbaMrjNEvqk6eKmZKYg==, tableContent=null), ArticleFig(id=1281688012740334304, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图7, caption=
高温工况下光电二极管温度随时间的变化曲线, figureFileSmall=2A7+5pDyLduCquRl1Kghzw==, figureFileBig=tnPLbaMrjNEvqk6eKmZKYg==, tableContent=null), ArticleFig(id=1281688012832608993, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.8, caption=
Temperature distribution under low temperature conditions, figureFileSmall=sPhG87GdDLIM+JS9FI8esw==, figureFileBig=sQodGyGLa4X7NDrHU+jhTg==, tableContent=null), ArticleFig(id=1281688012912300770, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图8, caption=
低温工况下温度分布情况., figureFileSmall=sPhG87GdDLIM+JS9FI8esw==, figureFileBig=sQodGyGLa4X7NDrHU+jhTg==, tableContent=null), ArticleFig(id=1281688012975215331, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.9, caption=
Curve of diode temperature with time in low temperature condition, figureFileSmall=oTV1P/4nZEbY605H2JqzKA==, figureFileBig=0WMuQwYb6cvHrm7QMTSMlw==, tableContent=null), ArticleFig(id=1281688013067490020, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图9, caption=
低温工况二极管温度随时间变化曲线, figureFileSmall=oTV1P/4nZEbY605H2JqzKA==, figureFileBig=0WMuQwYb6cvHrm7QMTSMlw==, tableContent=null), ArticleFig(id=1281688013151376101, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.10, caption=
Temperature change curve of each module in normal temperature hot vacuum test with time, figureFileSmall=vGCChEopbMZf5jt91Mumuw==, figureFileBig=12M5XLDnUBih1axVBf5o0g==, tableContent=null), ArticleFig(id=1281688013235262182, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图10, caption=
常温热平衡实验各模块温度随时间的变化曲线, figureFileSmall=vGCChEopbMZf5jt91Mumuw==, figureFileBig=12M5XLDnUBih1axVBf5o0g==, tableContent=null), ArticleFig(id=1281688013293982439, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.11, caption=
Data curve of on-orbit thermal control telemetry of laser time-frequency transfer load, figureFileSmall=LCZOuHzAsaUpHTI374NsyA==, figureFileBig=If05EIoT/sA4Re9oDE5yOg==, tableContent=null), ArticleFig(id=1281688013352702696, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图11, caption=
激光时频传递载荷在轨热控遥测数据曲线, figureFileSmall=LCZOuHzAsaUpHTI374NsyA==, figureFileBig=If05EIoT/sA4Re9oDE5yOg==, tableContent=null), ArticleFig(id=1281688013424005865, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Fig.12, caption=
Telemetry data curve of diode’s thermal control within one orbital pass, figureFileSmall=HtRcH4zSFtgWvOQhPloeyg==, figureFileBig=Q+6dCGgIAnmVWErEaF/6Ag==, tableContent=null), ArticleFig(id=1281688013491114730, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=图12, caption=
一轨内二极管热控遥测数据曲线, figureFileSmall=HtRcH4zSFtgWvOQhPloeyg==, figureFileBig=Q+6dCGgIAnmVWErEaF/6Ag==, tableContent=null), ArticleFig(id=1281688013554029291, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Tab.1, caption=
Temperature control requirements of key components of laser time-frequency transmission load
, figureFileSmall=null, figureFileBig=null, tableContent=
| Key device name | Operating temperature range/℃ | Optimum operating temperature range (thermal control target)/℃ |
|---|
| FPGA | –55~+125 | –45~+85 |
| Diode | –55~+65 | 25~+50 |
| Timepiece | –55~+65 | 25~+50 |
| Optical module | –40~+85 | –40~+85 |
| Power module | –55~+125 | –55~+85 |
| EMI filter | –55~+125 | –55~+85 |
), ArticleFig(id=1281688013616943852, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=表1, caption=
某舱外载荷设备关键器件温控需求
, figureFileSmall=null, figureFileBig=null, tableContent=
| Key device name | Operating temperature range/℃ | Optimum operating temperature range (thermal control target)/℃ |
|---|
| FPGA | –55~+125 | –45~+85 |
| Diode | –55~+65 | 25~+50 |
| Timepiece | –55~+65 | 25~+50 |
| Optical module | –40~+85 | –40~+85 |
| Power module | –55~+125 | –55~+85 |
| EMI filter | –55~+125 | –55~+85 |
), ArticleFig(id=1281688015261111021, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Tab.2, caption=
Selection of thermal physical property parameters of the thermal model
, figureFileSmall=null, figureFileBig=null, tableContent=
| Number | Materials | Specific heat capacity/ (J·kg–1·K–1) | Thermal conductivity/ (W·m–1·K–1) | Density/(kg·m–3) |
|---|
| 注 多层绝缘组件的有效发射率为0.03. |
| 1 | Stainless steel | 477 | 14.9 | 7900 |
| 2 | TC4 | 411 | 6.8 | 4440 |
| 3 | 2 A12 | 924 | 151 | 2780 |
| 4 | 3 A21 | 1092 | 181 | 2730 |
| 5 | 7075 | 2810 | 960 | 140 |
| 6 | Quartz glass | 800 | 1.4 | 2200 |
| 7 | Polytetrafluoroethylene | 1000 | 0.24 | 2200 |
| 8 | 6061 | 953 | 155 | 2700 |
| 9 | Multi-layer insulation component | ― | ― | ― |
| 10 | Fr4 | 600 | 10 | 1687 |
), ArticleFig(id=1281688015374357230, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=表2, caption=
热模型热物性参数选取
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| Number | Materials | Specific heat capacity/ (J·kg–1·K–1) | Thermal conductivity/ (W·m–1·K–1) | Density/(kg·m–3) |
|---|
| 注 多层绝缘组件的有效发射率为0.03. |
| 1 | Stainless steel | 477 | 14.9 | 7900 |
| 2 | TC4 | 411 | 6.8 | 4440 |
| 3 | 2 A12 | 924 | 151 | 2780 |
| 4 | 3 A21 | 1092 | 181 | 2730 |
| 5 | 7075 | 2810 | 960 | 140 |
| 6 | Quartz glass | 800 | 1.4 | 2200 |
| 7 | Polytetrafluoroethylene | 1000 | 0.24 | 2200 |
| 8 | 6061 | 953 | 155 | 2700 |
| 9 | Multi-layer insulation component | ― | ― | ― |
| 10 | Fr4 | 600 | 10 | 1687 |
), ArticleFig(id=1281688015475020527, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Tab.3, caption=
Selection of contact thermal resistance in the thermal model
, figureFileSmall=null, figureFileBig=null, tableContent=
| Number | Name | Contact form | Contact heat transfer coefficient/(W·m–2·K–1) |
|---|
| 1 | Between frames | Apply thermal grease | 1000 |
| 2 | Power module and installation base plate | Apply thermal grease | 1000 |
| 3 | Filter and installation base plate | Apply thermal grease | 1000 |
| 4 | Heat dissipation plate and casing | Apply thermal grease | 1000 |
| 5 | TEC heat dissipation bracket and housing | Apply thermal grease | 1000 |
| 6 | Heat dissipation plate and timer | Insulating heat-conducting pad: 1 mm | ― |
| 7 | Heat dissipation plate and optical module | Insulating heat-conducting pad: 1 mm | ― |
| 8 | Heat dissipation and FPGA | Insulating heat-conducting pad: 1 mm | ― |
| 9 | Reflector and upper cover plate | TC4 (2.5 mm) | ― |
), ArticleFig(id=1281688015550518000, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=表3, caption=
热模型接触热阻选取
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| Number | Name | Contact form | Contact heat transfer coefficient/(W·m–2·K–1) |
|---|
| 1 | Between frames | Apply thermal grease | 1000 |
| 2 | Power module and installation base plate | Apply thermal grease | 1000 |
| 3 | Filter and installation base plate | Apply thermal grease | 1000 |
| 4 | Heat dissipation plate and casing | Apply thermal grease | 1000 |
| 5 | TEC heat dissipation bracket and housing | Apply thermal grease | 1000 |
| 6 | Heat dissipation plate and timer | Insulating heat-conducting pad: 1 mm | ― |
| 7 | Heat dissipation plate and optical module | Insulating heat-conducting pad: 1 mm | ― |
| 8 | Heat dissipation and FPGA | Insulating heat-conducting pad: 1 mm | ― |
| 9 | Reflector and upper cover plate | TC4 (2.5 mm) | ― |
), ArticleFig(id=1281688015609238257, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Tab.4, caption=
Heat consumption of extravehicular payload equipment and components and thermal resistance of the crust
, figureFileSmall=null, figureFileBig=null, tableContent=
| Number | Device type | Packaging | Power consumption/W | Crust formation thermal resistance/(K·W–1) |
|---|
| 1 | FPGA | BGA148 | 3 | 0.2 |
| 2 | 1553 Chip | DIP70 | 0.5 | 6.8 |
| 3 | Optical fiber 1553 | SOP4 | 10 | ― |
| 4 | ACTEL | CQFP84 | 0.4 | 3.8 |
| 5 | Timer chip | HTQFP | 1.5 | 0.6 |
| 6 | Comparator | WQFN | 0.37 | 3.8 |
| 7 | Single-pole double-throw analog switch | SOT-23 | 0.5 | 12.3 |
| 8 | Level converter | μMAX | 0.7 | 17.0 |
| 9 | DC/DC converter | Welded hermetic | 4.5 | 1.1 |
| 10 | Total | 21.47 | ― |
), ArticleFig(id=1281688015684735730, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=表4, caption=
舱外载荷设备器件热耗及结壳热阻
, figureFileSmall=null, figureFileBig=null, tableContent=
| Number | Device type | Packaging | Power consumption/W | Crust formation thermal resistance/(K·W–1) |
|---|
| 1 | FPGA | BGA148 | 3 | 0.2 |
| 2 | 1553 Chip | DIP70 | 0.5 | 6.8 |
| 3 | Optical fiber 1553 | SOP4 | 10 | ― |
| 4 | ACTEL | CQFP84 | 0.4 | 3.8 |
| 5 | Timer chip | HTQFP | 1.5 | 0.6 |
| 6 | Comparator | WQFN | 0.37 | 3.8 |
| 7 | Single-pole double-throw analog switch | SOT-23 | 0.5 | 12.3 |
| 8 | Level converter | μMAX | 0.7 | 17.0 |
| 9 | DC/DC converter | Welded hermetic | 4.5 | 1.1 |
| 10 | Total | 21.47 | ― |
), ArticleFig(id=1281688015756038899, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Tab.5, caption=
Periodic average heat flux densities reached by each surface of the satellite at different β angles (Unit: W·m–2)
, figureFileSmall=null, figureFileBig=null, tableContent=
| β /(°) | Types of external heat flow | +x | +z | –x | –y | +y |
|---|
| –65.5 | Total external heat flow | 188.3 | 353.3 | 198.7 | 114.2 | 537.1 |
| Direct sunlight | 91.1 | 94.2 | 94.8 | 13.9 | 424.5 |
| Earth reflection | 23.1 | 48.5 | 25.2 | 22.7 | 29.7 |
| Infrared of the Earth | 74.0 | 210.6 | 78.7 | 77.6 | 82.8 |
|
| 0 | Total external heat flow | 203.9 | 361.9 | 231.3 | 161.9 | 149.7 |
| Direct sunlight | 81.1 | 35.9 | 96.5 | 10.7 | 9.7 |
| Earth reflection | 53.8 | 115.8 | 59.4 | 67.1 | 60.7 |
| Infrared of the Earth | 69.1 | 210.2 | 75.3 | 84.1 | 79.4 |
|
| 65.5 | Total external heat flow | 217.0 | 358.6 | 215.2 | 634.1 | 133.3 |
| Direct sunlight | 118.2 | 99.5 | 113.7 | 524.8 | 29.4 |
| Earth reflection | 22.0 | 48.4 | 25.1 | 30.2 | 22.8 |
| Infrared of the Earth | 76.8 | 210.7 | 76.4 | 79.1 | 81.1 |
), ArticleFig(id=1281688015844119284, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=表5, caption=
不同β角下卫星各个面到达的周期平均热流密度(单位: W·m–2)
, figureFileSmall=null, figureFileBig=null, tableContent=
| β /(°) | Types of external heat flow | +x | +z | –x | –y | +y |
|---|
| –65.5 | Total external heat flow | 188.3 | 353.3 | 198.7 | 114.2 | 537.1 |
| Direct sunlight | 91.1 | 94.2 | 94.8 | 13.9 | 424.5 |
| Earth reflection | 23.1 | 48.5 | 25.2 | 22.7 | 29.7 |
| Infrared of the Earth | 74.0 | 210.6 | 78.7 | 77.6 | 82.8 |
|
| 0 | Total external heat flow | 203.9 | 361.9 | 231.3 | 161.9 | 149.7 |
| Direct sunlight | 81.1 | 35.9 | 96.5 | 10.7 | 9.7 |
| Earth reflection | 53.8 | 115.8 | 59.4 | 67.1 | 60.7 |
| Infrared of the Earth | 69.1 | 210.2 | 75.3 | 84.1 | 79.4 |
|
| 65.5 | Total external heat flow | 217.0 | 358.6 | 215.2 | 634.1 | 133.3 |
| Direct sunlight | 118.2 | 99.5 | 113.7 | 524.8 | 29.4 |
| Earth reflection | 22.0 | 48.4 | 25.1 | 30.2 | 22.8 |
| Infrared of the Earth | 76.8 | 210.7 | 76.4 | 79.1 | 81.1 |
), ArticleFig(id=1281688015915422453, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=EN, label=Tab.6, caption=
Analysis of operating conditions of extravehicular payload equipment
, figureFileSmall=null, figureFileBig=null, tableContent=
| Working condition | β/(º) | Coating life | Temperature of the load installation surface/℃ | Flight attitude | Working mode |
|---|
| High-temperature working condition | –65.5 | End stage | 30 | Three-axis stable flight | Measurement mode |
|
| Low-temperature working condition | 0 | Early stage | 0 | Three-axis stable flight | Measurement mode |
), ArticleFig(id=1281688015982531318, tenantId=1146029695717560320, journalId=1281212996840067084, articleId=1281688002095190649, language=CN, label=表6, caption=
舱外载荷设备分析工况
, figureFileSmall=null, figureFileBig=null, tableContent=
| Working condition | β/(º) | Coating life | Temperature of the load installation surface/℃ | Flight attitude | Working mode |
|---|
| High-temperature working condition | –65.5 | End stage | 30 | Three-axis stable flight | Measurement mode |
|
| Low-temperature working condition | 0 | Early stage | 0 | Three-axis stable flight | Measurement mode |
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