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Saad Akhtar
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Proceedings Papers

A Heterogenous Nucleation Model for Supercooled Water and Sucrose Solution Droplets Under Ultra-Cold Environments

Minghan Xu, Saad Akhtar, Agus P. Sasmito
Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A068, November 1–5, 2021
Paper No: IMECE2021-68974
DOI: https://doi.org/10.1115/IMECE2021-68974
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Topics: Drops, Nucleation (Physics), Water, Temperature, Drugs, Drying, Surface tension, Sprays, Storage, Design
Proceedings Papers

Analytical Modeling of Outward Solidification With Convective Boundary in Cylindrical Coordinates

Minghan Xu, Saad Akhtar, Ahmad F. Zueter, Mahmoud A. Alzoubi, Agus P. Sasmito
Proc. ASME. IMECE2020, Volume 11: Heat Transfer and Thermal Engineering, V011T11A012, November 16–19, 2020
Paper No: IMECE2020-23397
DOI: https://doi.org/10.1115/IMECE2020-23397
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Topics: Modeling, Solidification
Journal Articles

Development of Analytical Solution for a Two-Phase Stefan Problem in Artificial Ground Freezing Using Singular Perturbation Theory

Minghan Xu, Saad Akhtar, Ahmad F. Zueter, Victor Auger, Mahmoud A. Alzoubi, Agus P. Sasmito
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. December 2020, 142(12): 122401.
Paper No: HT-20-1194
DOI: https://doi.org/10.1115/1.4048137
Published Online: September 18, 2020
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Topics: Freezing, Temperature, Subcooling, Perturbation theory, Porous materials, Coolants, Porosity
Proceedings Papers

Singular Perturbation Solution for a Two-Phase Stefan Problem in Outward Solidification

Minghan Xu, Saad Akhtar, Mahmoud A. Alzoubi, Agus P. Sasmito
Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A050, November 11–14, 2019
Paper No: IMECE2019-11033
DOI: https://doi.org/10.1115/IMECE2019-11033
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Topics: Solidification, Boundary-value problems, Numerical analysis, Porous materials, Composite materials, Computer simulation, Construction, Design, Enthalpy, Freezing
Proceedings Papers

Verification and Validation of Droplet Freezing for Convective Boundary Condition Using Matched Asymptotic Perturbation Method and Computational Fluid Dynamics

Saad Akhtar, Minghan Xu, Agus Sasmito
Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A053, November 11–14, 2019
Paper No: IMECE2019-12081
DOI: https://doi.org/10.1115/IMECE2019-12081
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Topics: Boundary-value problems, Computational fluid dynamics, Drops, Freezing, Temperature, Aircraft, Approximation, Drying, Enthalpy, Food products