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Expert has an international reputation in heat pipe analysis and design. He has done extensive modeling and testing to predict and verify heat pipe performance for both space and terrestrial applications. He has pioneered the performance modeling of gravity-assisted heat pipes and made significant contributions to the understanding of entrainment and flooding in two phase flow.

Expert has been involved in designing, building, and testing heat pipes that operate over the entire temperature range from cryogenic to liquid metal. His work has included extensive performance modeling of heat pipes that have been extensively verified by experimental data. Expert is familiar with both the National and International heat pipe community and has published extensively in the area of heat pipes.

A significant fraction of Expert's technical career has been spent in the subspecialty of cryogenics. He has been involved in applications using superconductivity including high temperature superconductors. Expert headed a development team that built and tested the first Carnot Cycle magnetic refrigerator.

Expert has extensive experience in the design and application of superconducting magnets. He led the development of a prototype conduction magnetic refrigerator operating at 4 K. He is currently directing an effort to apply magnetic separation to the field of environmental remediation and waste minimization. His expertise in cryogenics involves superconducting magnets, the behavior of materials at low temperature, and heat transfer and thermal insulation systems.

As stated above, Expert has been involved in the development of high gradient magnetic separation for environmental remediation and waste minimization. His research group has applied this technology to the remediation of radioactive contaminated soils and wastewater. Currently he is investigating applications for heavy metal cleanup of mine tailings and industrial effluents.

Expert has a wealth of experience in the modeling of complex thermal systems. He has done modeling of spacecraft environment control systems, and performance modeling of cryogenic components. In addition, he was principal investigator for the development of a comprehensive heat pipe analysis code that is widely utilized by his peers.

Thermal modeling has been a focus of Expert's technical activities. He has considerable experience in the thermal modeling of spacecraft, heat pipes, and cryogenic systems on both the system and subsystem levels. The vast majority of these modeling activities have benefited from experimental data.

Expert has experience performing safety analyses for systems where high pressure or elevated temperatures may result in personnel injury or equipment damage. He has developed computer models to assist in the design and evaluation of appropriate safety shielding for these systems. This capability is often used in hazards analysis and in the development of safe operation procedures (SOP).

Expert has consulted on cryogenic heat pipe design, modeling, and testing. He has consulted on thermal comfort modeling and analysis for a radiant heater manufacturer.