A small closed ecosystem with an estimated portion of human metabolism

Tikhomirov, Alexander A.; Ushakova, Sofya; Velichko, V. V.; Trifonov, Sergey V.; Тихомирова, Н. А.; Калачева, Г. С.

doi:10.1016/j.lssr.2018.10.001

Cited by 8 publications

(1 citation statement)

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“…Wheeler (2017) [7] has listed the most important experiments. In both fields, a large proportion of systems used in experiments were hydroponics e.g., BIOS-3 experiment (hydroponic cultivation of grain, vegetables, oil crop (63 m 2 )) [8], ILSSTF experiment (hydroponic cultivation of grain and vegetable (11.9 m 2 )) [9], CEEF experiment (hydroponic and solid media cultivation of grains, vegetables, oil crop (150 m 2 )) [10], Space Ecosystem I experiment (hydroponic cultivation of vegetables (36 m 2 )) [11], and SMC experiment (hydroponic and solid media cultivation of wheat and vegetables (4.4 m 2 )) [12].…”

Section: Introductionmentioning

confidence: 99%

A Long-Term Analysis of the Possibility of Water Recovery for Hydroponic Lettuce Irrigation in Indoor Vertical Farm. Part 1: Water Recovery from Exhaust Air

et al. 2020

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This paper presents the characteristics of the operation of the system for recovery of water from exhaust air in moderate climates in the years 2012–2019. The proposed system for water recovery uses the phenomenon of condensation in a cross-flow heat exchanger operating as an element of the air conditioning system. The parameters of exhaust air behind the heat exchanger have been determined using a mathematical model of the so-called black box. The mathematical model considers the risk of the cross-freezing of the heat exchanger. The calculations carried out for variable parameters of external air during the analyzed period confirm that the system allows to cover the demand for water for lettuce irrigation during the cold and transitional period, which is a major part of the year. It has been noted that the effectiveness of the system is very high (av. 67.12% per year) due to the specific parameters of the internal air in which the lettuce must be grown and the need for continuous air exchange in such facilities. This means that air is a stable source of water recovery, where the recovery rate depends on the parameters of external air.

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