The Oil Drum | On the hazards of ignorance of thermodynamics

42 comments on On the hazards of ignorance of thermodynamics

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David L Hagen on October 7, 2008 - 10:22pm

The limit is the strength of materials under high pressure to transfer heat through the wall of the heat exchanger. e.g., See: Ultrasupercritical generation "A conventional supercritical unit operates at a steam pressure of 3500 psi or higher and steam temperatures of 1000 –1050F."

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Engineer-Poet on October 7, 2008 - 10:56pm

(Note: 1050 F = 565 C.)

There is also the chemical reactivity of water at such high temperatures. At some point, water becomes too difficult to handle and other fluids are preferable.

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42 comments on On the hazards of ignorance of thermodynamics

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