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The paper summarizes the experience gained with the ISS water management system during the missions ISS-1 through ISS-17 (since November 2, 2000, through October 23, 2008). The water supply sources and structure, consumption and supply balance and balance specifics at various phases of space station operation are reviewed. The performance data of the system for water recovery from humidity condensate SRV-K and urine feed and pretreatment system SPK-U in the Russian orbital segment are presented. The key role of water recovery on board the ISS and the need to supplement the station's water supply hardware with a system for water reclamation from urine SRV-U is emphasized. The prospects of regenerative water supply system development are considered.

Based on experience obtained in operation of the water and oxygen recovery systems installed onboard the Russian space stations Salut, Mir and the International Space Station ISS, data on the water and oxygen balance for a space station are presented as well as operational parameters and performance data of the systems. Using the data obtained design analysis of an integrated life support system for water and oxygen recovery based on physical/chemical means to be installed on a promising space station is carried out. Mandatory verification tests of new process (technologies) and recovery systems are to be conducted on ISS.

The paper summarizes the experience gained on the ISS water management system during the missions of ISS-1 through ISS-16 (since November 2 2000, through December 31, 2007). The water supply sources and structure, consumption and supply balance at various phases of space station operation are reviewed. The performance data of the system for water recovery from humidity condensate SRV-K and urine feed and pretreatment system SPK-U in the Russian orbital segment are presented. The key role of water recovery on a board the ISS and the need to supplement the station's water supply hardware with a system for water reclamation from urine, water from a carbon dioxide reduction system and hygiene water is shown.

The paper summarizes the six years' experience gained with the ISS water management system during the missions ISS-1 through ISS-14 (since November 2, 2000 through October 31, 2006). The water supply sources, consumption structure and supply balance and balance specifics at various phases of space station operation are reviewed. The performance data of the system for water recovery from humidity condensate SRV-K and urine feed and pretreatment system SPK-U in the Russian orbital segment are presented. The key role of water recovery during space missions and the prospects of regenerative water supply of an interplanetary space station are discussed. The aim of this paper is to summarize the water supply experience and to provide recommendations for a perspective water supply integrated system based on water recovery.

The paper summarizes the experience gained with the ISS water management system during the missions ISS-1 through ISS-11 (since November 2 2000, through October 10, 2005). The water supply sources and structure, consumption and supply balance at various phases of space station operation are reviewed. The performance data of the system for water recovery from humidity condensate SRV-K and urine feed and pretreatment system SPK-U in the Russian orbital segment are presented. The key role of water recovery on board the ISS and the need to supplement the station’s water supply hardware with a system for water reclamation from urine SRV-U is shown. The prospects of regenerative water supply system development are considered.

The paper summarizes the experience gained with the ISS water management system during the missions ISS-1 through ISS-10 (since November 2 2000, through November 30, 2004). The water supply sources and structure, consumption and supply balance and balance specifics at various phases of space station operation are reviewed. The performance data of the system for water recovery from humidity condensate SRV-K and urine feed and pretreatment system SPK-U in the Russian orbital segment are presented. The key role of water recovery on board the ISS and the need to supplement the station’s water supply hardware with a system for water reclamation from urine SRV-U is emphasized. The prospects of regenerative water supply system development are considered.

The paper deals with the performance data of the service module Zvezda integrated water supply system of the International Space Station (ISS) as of March 31, 2004. The water supply and demand balance are analyzed. It is shown that water recovery from humidity condensate has been especially important when water delivery by Space Shuttles was terminated. The SRV-K contribution in potable water supply for crew needs was up to 76%. The data of humidity condensate and recovered water compositions are reviewed. The effective cooperation of the international partners on part of life support is shown. Water recovery future prospects are discussed.

The paper deals with the performance data of the service module Zvezda water supply and urine collection systems of the International Space Station (ISS) as of December 31, 2002. The water supply and demand balance are analyzed. The data of humidity condensate and recovered water compositions are reviewed. The effective cooperation of the international partners on part of life support is shown.

The paper deals with the construction and performance data of the service module Zvezda water and oxygen supply systems of the International Space Station (ISS). The performance data at the first 14 months of manned station functioning are provided. The data of humidity condensate and recovered water compositions are reviewed. The water supply and demand balance are analyzed. The system of oxygen generation “Electron-VM” and its functioning results are reviewed. The effective cooperation of the international partners on part of life support is shown.

The paper deals with the construction and performance data of the service module Zvezda water supply system of the International Space Station (ISS). The performance data at an initial phase of manned station functioning are provided. The data on humidity condensate and recovered water composition are reviewed. The water supply and demand balance are analyzed. The effective cooperation of international partners on part of water supply for the crew is shown.

This paper reviews the development and testing of the distillation subsystem of water regeneration system from urine (WRS-UM) based on a method of vacuum distillation with a rotary multistage vacuum distiller and a thermal pump. Test results show that with relatively small power consumption the subsystem using rotary three-stage vacuum distiller provides high rates of heat and mass transfer processes, useful productivity and distillate quality. The conducted tests have confirmed that it will be efficient to use the presented system as a part of WRS-UM system in Russian segment of the International Space Station.

This paper reviews the design and properties of the Water Supply System (WSS). It also discusses the water balance and its delivery amounts, as well as it presents diagrams and properties of water recovery system from humidity condensate WRS-CM and regeneration from urine WRS-UM which are the part of WSS. Some results of activities conducted for provision of water intake in a system of WRS-CM from different modules of station are shown and the problems of WSS interaction of Russian segment (RS) and American segment (USOS) of the International Space Station (ISS) are discussed.

The paper reviews the results obtained with a Sievers-820 total organic carbon (TOC) analyzer during ground tests of the Mir water recovery system (WRS). Calibration analysis results for water solution samples of individual compounds, typical of spacecraft atmospheric humidity condensate, and their mixtures are provided. Comparison of the test results to the calculated data and laboratory analyses performed by other methods are made. Analyzer readings are in good agreement with the chemical analyses of initial condensate and recovered water. The analyzer shows promise as an instrument for ground and future onboard spacecraft testing.

This paper reviews designs of urine distillation systems for spacecraft water recovery. Consideration is given to both air evaporation and vacuum distillation cycles, to the means for improving cycle performance (such as heat pumps, multistaging, and rotary evaporators), and to system concepts offering promise for future development. Vacuum distillation offers lower power consumption, at some increase in system complexity; air evaporation distillation is capable of providing higher water recovery efficiency, which could offset the lower power consumption advantage of vacuum distillation for long-duration missions.