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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gitelson J.I., V B., Grigoriev A.I., Lisovsky G.M., Manukovsky N.S., Sinyak Y.u.E., Ushakova S.A.
Заглавие : Biological-physical-chemical aspects of a human life support system for a lunar base
Место публикации : Acta Astronautica. - 1995. - Vol. 37, Is. C. - С. 385-394. - ISSN 00945765 (ISSN)
Ключевые слова (''Своб.индексиров.''): animal--aquaculture--article--biomass--construction work and architectural phenomena--cyprinodontiformes--filtration--growth, development and aging--human--microbiology--microclimate--moon--nutritional value--photoperiodicity--plant--space flight--standard--tilapia--waste management--water management--wheat--animals--aquaculture--biomass--cyprinodontiformes--ecological systems, closed--facility design and construction--filtration--humans--life support systems--moon--nutritive value--photoperiod--plants, edible--space flight--tilapia--triticum--waste management--water microbiology--water purification
Аннотация: To create a life support system based on biological and physical-chemical processes is the optimum solution providing full-valued condidtions for existence and efficient work of people at a lunar base. Long-standing experinece in experimental research or closed ecosystems and their components allows us to suggest a realistic functional structure of the lunar base and to estimate qualitatively its parameters. The original restrictions are as follows: 1) the basic source of energy to support the biological processes has to be the solar radiation; 2) the initial amount of basic biological elelments forming the turnover of substances (C, O, H, P, K, N) has to be delivered from Earth; 3). Moon materials are not to be used in the biological turnover inside the base; 4) the base is to supply the crew fully with atmosphere and water, and with 90% (A scenario) or 40% (B scenario) of food. Experimental data about the plant productivity under the "Moon" rhythm of light and darkness allow us to suggest that the A scenario requires per one human: plant area - 40 m2 irradiated during the lunar day by 250-300 W/m2 PAR producing 1250 g of dry biomass a terrestrial day; a heterotrophic component of "biological incineration" of inedible plant biomass (800 g/day) including the aquaculture of fish to produce animal products and contaminating the environment less than birds and mammals, and the culture of edible mushrooms; a component of physical-chemical correction for the LSS envi ronment including the subsystems of: deep oxidation of organic impurities in the atmosphere and of water, organic wastes of human activity and that biological components (420 g/day) Co2 concentration in "Moon" nights, damping O2 in "Moon" days, etc. The stock of presotred or delivered from Earth substances (food additions, seeds, etc.) to be involved in biological turnover is to be about 50 kg/year per man. Increase of the mass of prestored substances per man up to 220 kg/year would reduce twice the plant area and consumed amount of radiant energy to exclude the components of "biological incineration" and physical-chemical destruction of organic wastes. В© 1995.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Manukovsky N.S., Kovalev V.S., Somova L.A., Gurevich Yu.L., Sadovsky M.G.
Заглавие : Material balance and diet in bioregenerative life support systems: Connection with coefficient of closure
Место публикации : Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - С. 1563-1569. - ISSN 02731177 (ISSN) , DOI 10.1016/j.asr.2005.01.002
Ключевые слова (''Своб.индексиров.''): bioregenerative life support system--coefficient of closure--diet--soil-like substrate--additives--degradation--materials balance--nitrogen--nutrition--stoichiometry--bioregenerative life support systems--coefficient of closure--soil-like substrates--life support systems (spacecraft)--vegetable protein--biomass--conference paper--culture medium--diet--feces--growth, development and aging--human--methodology--microclimate--plant--urine--waste management--biomass--culture media--diet--ecological systems, closed--feces--humans--life support systems--plant proteins--plants, edible--urine--waste management
Аннотация: Bioregenerative life support systems (BLSS) with different coefficients of closure are considered. The 66.2% coefficient of closure achieved in "BIOS-3" facility experiments has been taken as a base value. The increase in coefficient of closure up to 72.6-93.0% is planned due to use of soil-like substrate (SLS) and concentrating of urine. Food values were estimated both in a base variant ("BIOS-3"), and with increases in the coefficient of closure. It is shown that food requirements will be more fully satisfied by internal crop production with an increase in the coefficient of closure of the BLSS. Changes of massflow rates on an 'input-output' and inside BLSS are considered. Equations of synthesis and degradation of organic substances in BLSS were examined using a stoichiometric model. The paper shows that at incomplete closure of BLSS containing SLS there is a problem of nitrogen balancing. To compensate for the removal of nitrogen from the system in urine and feces, it is necessary to introduce food and a nitrogen-containing additive. В© 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gros J.B., Poughon L., Lasseur C., Tikhomirov A.A.
Заглавие : Recycling efficiencies of C,H,O,N,S, and P elements in a biological life support system based on micro-organisms and higher plants
Место публикации : Advances in Space Research. - 2003. - Vol. 31, Is. 1. - С. 195-199. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(02)00739-1
Ключевые слова (''Своб.индексиров.''): biomass--biosynthesis--chemical elements--earth atmosphere--ecosystems--life support systems (spacecraft)--manned space flight--microorganisms--plants (botany)--wastes--compartments--space research--carbon--carbon dioxide--hydrogen--nitrogen--oxygen--phosphorus--sulfur--space technology--article--biological model--biomass--chemistry--comparative study--computer simulation--growth, development and aging--metabolism--methodology--microbiology--microclimate--plant--waste management--biomass--carbon--carbon dioxide--computer simulation--ecological systems, closed--environmental microbiology--hydrogen--life support systems--models, biological--nitrogen--oxygen--phosphorus--plants, edible--sulfur--waste management
Аннотация: MELiSSA is a microorganism based artificial ecosystem conceived as a tool for understanding the behavior of ecosystems and developing the technology for future Manned Space Missions. MELiSSA is composed of four compartments colonized by the microorganisms required by the function of this ecosystem : breakdown of waste produced by men, regeneration of atmosphere and biosynthesis of edible biomass. This paper reports the mass balance description of a Biological Life Support System composed of the MELiSSA loop and of a Higher Plant Compartment working in parallel with the photosynthetic Spirulina compartment producing edible biomass. The recycling efficiencies of the system are determined and compared for various working conditions of the MELiSSA loop with or without the HPC. В© 2002 Published by Elsevier Science Ltd on behalf of COSPAR.
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