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INTERNATIONAL SPACE STATION
EXPERIMENTS AND RESEARCHES
SCIENCE RESEARCH ON ISS RUSSIAN SEGMENT
HUMAN LIFE RESEARCH
RASTENIA EXPERIMENT
Research supervisor: V.N. Sychev

russian
   

The experiment consists of four phases. In each phase one performs particular studies in the field of gravitational plant biology and tests plant cultivation technologies in microgravity conditions.

SCIENCE HARDWARE USED:

  • Lada greenhouse consisting of:
    - Control unit;
    - Lighting unit;
    - Leaf chamber;
    - Root module;
    - Water canister;
    - Accessories Kit.
    Being a module-type system, the Lada greenhouse ensures maximum flexibility, its dimensions are decreased by four times as compared to the Svet similar greenhouse used on board the Mir OC.
  • MIS-LADA science hardware
    consisting of:
    - MIS-LADA module;
    - Lada control unit;
    - Water canister;
    - Accessories kit;
    - GACA–Bracket kit;
    - Gas analyzer calibration assembly.

FLIGHT EQUIPMENT USED:

  • Water canister
  • SVO-3V receiving device
  • Video camera SONY DVCam
    for video recording of the process of crew operation with the greenhouse.

CONSUMABLES:

  • MIS-Accessories kit
  • MIS-Data Kit
 

PURPOSE:

Researches aimed at solving the problems of fundamental biology and problems of optimization of plants cultivation modes for future greenhouses as part of advanced space life support systems.

OBJECTIVES:

  • Mounting and preparation of equipment for experiment performance.
  • Study of dynamics of capillary penetration, processes of moistening and moisture separation and fluid motion in the root-inhabitated medium in space flight conditions.
  • Study of gas diffusion processes, determination of oxygen capillary diffusion coefficients with different capillary saturation of various root-inhabitated media.
  • Experimental study of water and air supply of different root-inhabitated media of greenhouse devices in space flight conditions.
  • Obtaining of hydrophysical and thermophysical characteristics of different root-inhabitated media and study of dynamic changes of these values due to forming of the plant root system.
  • Construction of a conceptual model of an optimum water and air supply of the root-inhabitated medium for space greenhouse devices.
  • Development of theoretical models of greenhouse devices operated in space flight conditions.

EXPECTED RESULTS:

In the first phase
Obtaining of experimental data on oxygen diffusion processes in substrates with a different level of moisture content.

In the second phase
Return of biomaterial samples, obtained during the space experiment, to the ground.

The experiment is conducted on board the Service Module in the automatic mode using Lada greenhouse, MIS-LADA hardware and gas analyzer calibration assembly. In contrast to the Rastenia-2 experiment, instead of the plant growth chamber, one connects to the greenhouse a substrate investigation module (MIS) with a gas analyzer calibration assembly.

 

 

 

 

 

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