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Published on: November 13, 2014
Contribution to the benchmark for ternary mixtures: Transient analysis in microgravity conditions
Amirhossein Ahadi1, M Ziad Saghir
1Microgravity Laboratory, Mechanical and Industrial Engineering Department, Ryerson University, M5B 2K3, Toronto, Canada, aahadi@ryerson.ca.
Researchers analyzed a ternary mixture in microgravity using the Selectable Optical Diagnostic (SODI) apparatus. They measured concentration profiles and determined Soret coefficients for tetrahydronaphthalene, isobutylbenzene, and n-dodecane.
Area of Science:
- Thermodynamics
- Fluid Dynamics
- Materials Science
Background:
- The DCMIX1 project investigates multi-component mixtures under microgravity conditions.
- Understanding mixture behavior is crucial for various scientific and industrial applications.
Purpose of the Study:
- To perform a transient experimental analysis of a ternary mixture (tetrahydronaphthalene, isobutylbenzene, n-dodecane).
- To measure concentration profiles and determine Soret coefficients in a microgravity environment.
Main Methods:
- Utilized the Selectable Optical Diagnostic (SODI) apparatus with two-wavelength diagnostics.
- Employed advanced image processing for raw image analysis.
- Applied curve-fitting and post-processing techniques to determine Soret coefficients.
Main Results:
- Successfully measured the concentration profile of the 80% THN, 10% IBB, 10% nC12 mixture.
- Determined the Soret coefficients for the ternary mixture under microgravity.
Conclusions:
- The experiment demonstrated the feasibility of analyzing ternary mixtures in microgravity.
- Repeatability was ensured through five experimental repetitions, validating the results.
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