Work Recovery Efficiency Of Ideal Gas Thermochemical Energy Transfer Systems And SO3 Synthesis

ABSTRACT:
Work recovery efficiency is a concept introduced by Carden and Williams which relates the maximum work obtainable from the exothermic terminal of a thermochemical energy transfer loop to the difference in enthalpies of the inflowing and outflowing reactants. The reactant flows are

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considered to be at the lowest practical temperature at which storage of the reactants may be implemented. This temperature, the storage temperature, is normally at or near ambient temperature. In defining work recovery efficiency n the convention has been adopted that all processes are thermodynamically reversible except the chemical reaction itself. Thus with a knowledge of how n depends on other parameters, what is usually the most critical process may be designed for optimum performance. Having worked with Williams to determine the work recovery efficiency of the ammonia system, the author proceeded to study the methane system and then the sulfur trioxide system, these three being probably the most notable of those being researched throughout the world.

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