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REFRIGERATION AND AIR CONDITIONING
282C H A P T E R 8 REFRIGERATION AND AIR IntroductionUp to this point we have considered fossil-fueled heat engines that are currently in use. Thesedevices have provided society's answers to the thermodynamic question: How can the chemicalenergy of fossil fuels be converted into mechanical work and motive power? Let us now turn ourattention to the another great thermodynamic question: How can thermal energy be transferredfrom cold to warmer regions?The well-known Clausius statement of the Second Law of Thermodynamics asserts: It isimpossible to construct a device that, operating in a cycle, has no effect other than the transferof heat from a cooler to a hotter body.
282 C H A P T E R 8 REFRIGERATION AND AIR CONDITIONING 8.1 Introduction Up to this point we have considered fossil-fueled heat engines that are currently in use.
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