Free Frost Heat Exchanger Seminar & Presentation



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A new concept has emerged in the field of zero - emission vehicles : the cryogenic automobile . The cryogenic automobile uses nitrogen , stored in liquid state , as its working fluid . The liquid nitrogen is pressurized , then vaporized in an economizer through which the exhaust from the expander runs in counter flow . The resulting gaseous nitrogen is superheated in an ambient temperature gas which is injected into a quasi Ė isothermal expander to produce the systemís motive work. The spent , low pressure nitrogen is exhausted back to the atmosphere.

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