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Investigation on in-situ water ice recovery considering energy efficiency at the lunar south pole
Song, Hongqing1,2,6; Zhang, Jie1,6; Ni, Dongdong2; Sun, Yueqiang3,4,6; Zheng, Yongchun5; Kou, Jue1,6; Zhang, Xianguo3,4,6; Li, Zhengyi1,6
2021-09-15
Source PublicationAPPLIED ENERGY
ISSN0306-2619
Volume298Pages:12
AbstractIt is of great significance to realize the in-situ utilization of lunar water ice for the establishment and sustainable operation of the future lunar base. Considering the location of water ice in the lunar polar regions, based on the in-situ thermal mining method, an integrated approach for the water ice recovery was established. The evolution characteristics of average temperature of the icy soil and water vapor collection rate with the mining time were analyzed. The optimal mining temperature for the recovery of water ice was studied. The energy efficiency under various arrangement densities of heating elements was assessed with the optimal number of heating elements determined. The results show that as the mining time increases, for different target mining temperatures, the average temperature of the icy soil rapidly rise at first, and then tend to stabilize. The water vapor collection rates at different target mining temperatures vary greatly due to the difference in saturated vapor pressure of water ice. At high mining temperatures, the sublimation coefficient also significantly affects the process of water vapor collection. The water vapor collection rate with sublimation coefficient being unity is up to 36% larger than that with non-constant sublimation coefficient for the lunar soil under investigation within four earth weeks at the target mining temperature of 240 K. In addition, the increase of the mining temperature increases the water vapor collection rate, and at the same time, the water vapor pressure in the capture tent also increases, which may lead to the instability of the water ice production system. Combining with water vapor collection rate and change rate of water vapor pressure in the capture tent, the temperature of 220 K is obtained as the optimal target mining temperature. Furthermore, for the lunar soil in this work, the energy efficiencies for water ice production with seven and nine heating elements are same, and greater than that with five heating elements. Considering the energy efficiency, the minimum number of heating elements could be determined.
KeywordLunar water ice In-situ utilization Energy efficiency Thermal mining Sublimation rate
Funding OrganizationFundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR
DOI10.1016/j.apenergy.2021.117136
WOS KeywordSUBLIMATION RATE ; MOON ; SYSTEM ; TEMPERATURE ; REGOLITH ; PERFORMANCE ; CRATERS ; SURFACE ; OPTIMIZATION ; REFLECTANCE
Language英语
Funding ProjectFundamental Research Funds for the Central Universities of China[FRF-IC-19-012] ; Science and Technology Development Fund, Macau SAR[0048/2020/A1]
Funding OrganizationFundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Science and Technology Development Fund, Macau SAR ; Science and Technology Development Fund, Macau SAR
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000708642300004
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/74933
Collection中国科学院国家天文台
Corresponding AuthorSong, Hongqing
Affiliation1.Univ Sci & Technol Beijing, Sch Civil & Resource Engn, Beijing 100083, Peoples R China
2.Macau Univ Sci & Technol, State Key Lab Lunar & Planetary Sci, Macau, Peoples R China
3.Chinese Acad Sci NSSC, Natl Space Sci Ctr, CAS, Beijing, Peoples R China
4.Beijing Key Lab Space Environm Explorat, Beijing, Peoples R China
5.Chinese Acad Sci, Natl Astron Observ, Key Lab Lunar & Deep Space Explorat, Beijing 100101, Peoples R China
6.Joint Lab Deep Space Explorat Resource Identifica, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Song, Hongqing,Zhang, Jie,Ni, Dongdong,et al. Investigation on in-situ water ice recovery considering energy efficiency at the lunar south pole[J]. APPLIED ENERGY,2021,298:12.
APA Song, Hongqing.,Zhang, Jie.,Ni, Dongdong.,Sun, Yueqiang.,Zheng, Yongchun.,...&Li, Zhengyi.(2021).Investigation on in-situ water ice recovery considering energy efficiency at the lunar south pole.APPLIED ENERGY,298,12.
MLA Song, Hongqing,et al."Investigation on in-situ water ice recovery considering energy efficiency at the lunar south pole".APPLIED ENERGY 298(2021):12.
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