Science Investigations & Technology

Scientific Investigations & Technology

  • SUBSA - Solidification Using a Baffle in Sealed Ampoules 
    To improve science's understanding of the formation of semiconductor crystals. Directionally solidified indium antimonide samples. One of the first materials science experiments on the International Space Station the Solidification Using a Baffle in Sealed Ampoules (SUBSA) was successfully conducted during Expedition Five inside the Microgravity Science Glovebox. 
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  • PFMI - Pore Formation and Mobility Investigation 
    To improve science's understanding of solidification processes and the effects of imperfections in the molten material. Directionally solidified transparent modeling material, succinonitrile (SCN) and succinonitrile water mixtures. PFMI uses a furnace to process materials. It will melt and resolidify samples of a transparent modeling material, succinonitrile and succonontrile water mixtures, to observe how bubbles form in the samples and study their movement.
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  • InSPACE - Investigating the Structure of Paramagnetic Aggregates from Colloidal Emulsions
    The InSPACE investigation will determine the true three-dimensional low-energy structure of a magnetorheological (MR) emulsion in a pulsed magnetic field. Examined the way small magnetic particles interacted with the complex properties found in MR fluids. The InSPACE investigation will examine the way small magnetic particles interact with the complex properties found in magnetorheological fluids. Magnetorheological fluids are a new class of "smart " materials capable of providing a rapid, controllable response when a magnetic field is applied. The low-gravity International Space Station environment allows research on particle interaction without the effects of sedimentation.
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  • SODI - Selectable Optics Diagnostics Instrument
    • To Study diffusion and Soret phenomena and measurement of these coefficients in multi-component mixtures (liquids). (DSC)
    • To Study the influence of controlled vibration stimuli on these diffusion processes. (IVILID)
    • To Study the aggregation (clustering) of colloidal solutions. (COLLOID)
  • CSLM 2 - Coarsening in Solid Liquid Mixtures - 2 
    The CSLM-2 investigation will improve the quality of metals by studying coarsening. The investigation analyzed the rate at which particles of tin suspended in a liquid comprised of molten tin/lead alloy, increase in size. A phenomenon known as coarsening. The CSLM-2 investigation will examine competitive growth of microscopic tin particles within a liquid tin-lead matrix. The low-gravity International Space Station environment will produce data that can be compared directly to theory without the effects of convection and sedimentation. 
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  • COSMIC - Combustion Synthesis under Microgravity Conditions
    The COSMIC investigation investigated the relationship between general physico-chemical mechanisms of combustion and formation of the microstructure and composition fields. Studied the microstructure formation of compressed powder samples (in casu Ti-Al-B) during self-propagating high-temperature combustion processes (SHS).
  • DCCO - Measurement of Diffusion Coefficients in Crude Oil 
    The DCCO investigation investigated isothermal diffusion and the Soret effect (thermodiffusion). Measured diffusion coefficients of ternary mixtures of organic compounds.
  • Nanoslab
    The Nanoslab investigation created more effective zeolite crystal structures by mixing different zeolite solutions with a range of crystal-forming catalysts. .
  • PromISS -Protein Microscope for the International Space Station
    The PromISS investigation investigated the science's understanding of the fundamental processes underlying the protein crystallization process.
  • HEAT - Heat transfer performance of a grooved heat pipe 
    The HEAT investigation investigated the effectiveness of grooved heat pipes in the weightlessness of space. 
  • ARGES - Energy efficient lamps for the future. 
    The ARGES investigation improved the understanding of High-Intensity Discharge (HID) lamps and how they are affected by imperfections. Ultimate objective was to improve the efficiency and life expectancy of HID lamps. 
  • SAMS-TSH – Space Acceleration Measurement System (SAMS) Triaxial Sensor Head (TSH) 
    The SAMS-TSH is a vibratory system deployed inside the MSG Workvolume which measures accelerations and providing the real time data to the ground.     
  • SAME – Smoke Aerosol Measurement Experiment 
    SAME assessed the size and distribution of smoke particles by different types of materials found on spacecraft such as Teflon, Kapton, and silicone rubber.  SAME will evaluate the performance of smoke detectors to predict smoke droplet growth and for alternative smoke detection devices on future spacecraft. 
  • CW/RW – Cell Wall/Resist Wall
    CW/RW investigated the mechanism of gravity resistance in plants, which is an essential response for the plant to develop against gravitational forces and the experiment enabled efficient plant production necessary for human life not only in space but also on earth.
  • SHERE – Shear History Extensional Rheology Experiment 
    SHERE is designed to investigate the effects of preshearing on the stress/strain response of a polymeric liquid being stretched in microgravity.  This experiment will generate previously unattainable scientific data for dilute viscoelastic polymer solution in a broad subclass of transient uniaxial extensional flows.  
  • SPICE – Structure & Liftoff In Combustion Experiment
    SPICE studied the lift-off velocity limits in air for flames of methane, ethylene, and selected nitrogen dilutions of each fuel as a function of nozzle size. SPICE will also characterize the structure of the flame, especially the base, from attached through lifted conditions as a function of the fuel, nozzle size and flow conditions.  
  • IV-Gen – Intravenous Fluid Generation and Mixing
    IV-Gen is designed to investigate a compact water purification system to reliably produce Sterile Water for Injection and provide a pharmaceutical mixing capability in a reduced gravity with minimal dependency on spacecraft power resources.
  • CCF – Critical Capillary Flow
    This fluid science experiment studies a critical variety of inertial-capillary dominated flows key to handling large liquid inventories in spacecraft systems.  CCF will investigate capillary flows in wedges or gapped wedges with additional two-phase flow.  
  • BXF – Boiling Experiment Facility
    BXF accommodates two separate investigations, BXF–MABE (Microheater Array Boiling Experiment) and BXF–NPBX (Nucleate Pool Boiling Experiment), to examine fundamental boiling phenomena.  The purpose of BXF is to validate models being developed for heat transfer coefficients, critical heat flux, and the pool boiling curves.
  • SLICE – Structural & Liftoff in Combustion Experiment
    SLICE will study the lift-off velocity limits in air for flames of methane, ethylene, and selected dilutions of each fuel as a function of nozzle size. SLICE will also characterize the structure of the flame, especially the base, from attached through lifted conditions as a function of the fuel, nozzle size and flow conditions.  SLICE will utilize the SPICE hardware launched on ULF2.
  • BASS – Burning and Suppression of Solids
    BASS examines the burning and extinction characteristics of a wide variety of fuel samples in microgravity.  The BASS experiment will guide strategies for extinguishing accidental fires in microgravity.  BASS results contribute to the combustion computational models used in the design of fire detection and suppression systems in microgravity and on Earth.  BASS will utilize the SPICE hardware launched on ULF2.
  • Miller-Urey 
    Miller- Urey determine prebiotic reaction mechanisms that lead to the formation of complex organic molecules through the analysis and characterization of the reaction products, yields, and product distributions of the MU experiment in space. Provide insights into chemical processes in the early solar nebula.  MUE requires cold stowage following sample processing and for descent.  
  • ZBOT – Zero Boil-Off Experiment
    ZBOT will aid the design of long-term storage systems for cryogenic fluids simulated by Perfluoro-normal-Pentane (P-n-P).  ZBOT will obtain 1-g and microgravity two-phase flow data for pressure control through mixing and active cooling, and verify and validate a Computational Fluid Dynamics (CFD) model for cryogenic storage in 1g and microgravity.
  • PBRE – Packed Bed Reactor Experiment
    PBRE is an ISS payload designed to validate the hydrodynamics of two phased flow in a packed bed reactor operating within a microgravity environment.  Packed bed reactors will be used of future space missions to purify water and air, two substances essential for human life.  
  • Oasis – Observation and Analysis of Smectic Islands in Space
    The experimental study of basic 2D hydrodynamics/fluid physics, to probe droplet/island diffusion, hydrodynamic interactions, and droplet/island coalescence is the main objective of this proposal.  The goal here is targeted to pursue high-precision tests of 2D hydrodynamic theory and study two-dimensional micro rheology using thin smectic films.