Why many separate compression tanks?
• Avoid repeated pressurization / depressurizaiton cycles, which reduce useful lifetime of the machine. • Need to match forces to avoid inefficiency. Do this by using separate hydrostatic pressures. • Need to avoid cost of very large low pressure tanks by permitting small amounts of low pressure air to be compressed a little at a rapid pace, moving it on to a smaller tank and starting a new batch immediately. • Need to keep the required forces constant so that a constant flow of work and heat is achieved. After all, the equipment can handle certain maximum flows. To the extent that those flows are not used, the equipment is underused. If more heat flow is needed than possible, the temperature across the heat flow increases and the effective difference between hot source and cold sink decreases, reducing the available work. • More tanks means more heat flow. • A huge tank which can withstand high pressure would be required if the air is compressed from low to high pressure in the same t
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