Optimization of a low-gravity reflux boiler system for lunar surface thermal control

2000 ◽  
Author(s):  
William Simon ◽  
Fred Young ◽  
Terrence Chambers ◽  
Sean Nolan
Keyword(s):  
Lunar Surface ◽  
Thermal Control ◽  
Low Gravity

Analysis of a low-gravity reflux boiler system for lunar surface thermal management

1999 ◽  
Author(s):  
William Simon ◽  
Fred Young ◽  
Terrence Chambers ◽  
Sean Nolan
Keyword(s):  
Thermal Management ◽  
Lunar Surface ◽  
Low Gravity

Thermal Control Architecture for a Planetary and Lunar Surface Exploration Micro-Robot

2007 ◽  
Author(s):  
Brian R. Burg ◽  
Steven Dubowsky ◽  
John H. Lienhard V. ◽  
Dimos Poulikakos
Keyword(s):  
Lunar Surface ◽  
Thermal Control ◽  
Control Architecture ◽  
Surface Exploration ◽  
Micro Robot

A thermal control system for long-term survival of scientific instruments on lunar surface

2014 ◽  
Vol 85 (3) ◽  
pp. 035108 ◽  
Author(s):  
K. Ogawa ◽  
Y. Iijima ◽  
N. Sakatani ◽  
H. Otake ◽  
S. Tanaka
Keyword(s):  
Control System ◽  
Lunar Surface ◽  
Thermal Control ◽  
Scientific Instruments ◽  
Term Survival ◽  
Long Term Survival ◽  
Thermal Control System

scholarly journals Design and Analysis of the Location of Cold and Heat Sources for the Payload’s Active Thermal Control System on the Lunar Surface

2022 ◽  
Vol 2148 (1) ◽  
pp. 012043
Author(s):  
Hongyu Zhang ◽  
Yajing Li ◽  
Yifei Wang ◽  
Miaocheng Weng ◽  
Fang Liu
Keyword(s):  
Control System ◽  
Energy Consumption ◽  
Control Systems ◽  
Lunar Surface ◽  
Thermal Control ◽  
Heat Sources ◽  
Temperature Uniformity ◽  
Biological Experiment ◽  
Total Energy Consumption ◽  
Thermal Control System

Abstract The payload of the Chang’e-4 biological experiment is used as an object for designing and analyzing the location of cold and heat sources. The research compares and analyzes the energy consumption and temperature uniformity of cooling and heating sources mounted on different surfaces using Thermal Desktop/Sinda Fluint, which may be used to guide the design and operation of active thermal control systems. The results indicate that when the hot and cold sources are mounted on the payload’s top surface, the total energy consumption of the active thermal control system is minimized and temperature uniformity is improved.

Simulations of Lunar Dust interaction with exploration systems and instruments

2021 ◽  
Author(s):  
Fabrice Cipriani ◽  
François Piette
Keyword(s):  
Lunar Surface ◽  
Imaging System ◽  
Compositional Analysis ◽  
Thermal Control ◽  
The Moon ◽  
Lunar Dust ◽  
Dust Transport ◽  
Predictive Algorithms ◽  
Performance Variations

<p>Lunar Dust is representing both an engineering challenge for future exploration missions due to systems potential contamination (due to regolith mobilization during e.g. traverse phases, landings, scooping, astronauts EVAs..) and a scientific target for e.g. mineralogical and compositional analysis of the Lunar surface. Therefore predicting not only interactions with systems but also payloads landed at the lunar surface is an important part of future missions design. Strong partnerships and synergies between agencies and space industries are now allowing the preparation of new missions with challenging timescales, for a return to the Moon in the next couple of years. In this context, the analysis of re-analysis of some of the Apollo era data and other landed assets is of high interest to perform the calibration of predictive algorithms and simulations tools of regolith transport and interactions with systems.</p> <p>The present work is organized in two parts: in the first part, we present a modelling study of two experiments included in the Apollo Lunar Surface Experiment Package (ALSEP): the Lunar Ejecta and Meteoroids Experiment (LEAM), which experienced failures linked to thermal control and the Dust Detector Experiment (DDE) which could measure solar cells performance variations due to dust coverage.</p> <p>In the second part, we present simulation results for the contamination of the Imaging System accommodated on the PROSPECT experiment that will be embarked on the Luna 27 lander, due to land on the Moon in the next couple of years.</p> <p>We will discuss the quality of our predictions, the uncertainties inherent to the measurements, and the way forward in terms of better representation of lunar dust transport and interactions processes through models.</p>

Characterizing a Transient Heat Flux Envelope for Lunar-Surface Spacesuit Thermal Control Applications

2015 ◽  
Vol 52 (4) ◽  
pp. 1193-1202 ◽  
Author(s):  
Philipp B. Hager ◽  
Ulrich Walter ◽  
Christopher J. Massina ◽  
David M. Klaus
Keyword(s):  
Heat Flux ◽  
Lunar Surface ◽  
Thermal Control ◽  
Control Applications ◽  
Transient Heat Flux
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