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Journal of Enhanced Heat Transfer
IF: 0.562 5-Year IF: 0.605 SJR: 0.175 SNIP: 0.361 CiteScore™: 0.33

ISSN Print: 1065-5131
ISSN Online: 1026-5511

Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v16.i2.70
pages 189-203

Heat Transfer in High-Pressure Metal Hydride Systems

Kyle C. Smith
Mechanical Engineering, Purdue University, USA
Yuan Zheng
Mechanical Engineering, Purdue University, USA
Timothy S. Fisher
Department of Mechanical Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47906; Department of Mechanical & Aerospace Engineering, UCLA, Los Angeles, CA USA
Timothee L. Pourpoint
Aeronautical and Astronautical Engineering, Purdue University, USA
Issam Mudawar
School of Mechanical Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, USA

ABSTRACT

High-pressure metal hydride vehicular hydrogen storage systems can offer good overall gravimetric and volumetric hydrogen densities. Enhanced heat transfer techniques will be essential to achieve established goals for tank filling times. A numerical model is developed to simulate the hydrogen filling process of a subscale high-pressure metal hydride (Ti1.1CrMn) system. The model is validated by comparison of simulated and experimental transient temperature profiles of both metal hydride and gas. The substantial influence of free convection in the system was discovered. As such, heat transfer enhancement by free convection is discussed and illustrated in a practical configuration.


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