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Title: Air Leakage Testing Of Gas Turbine Regenerators
Author: Charles R. Bath
Source: American Gas Association 1974
Year Published: 1974
Abstract: In the late 1950s Texas Eastern began testing regenerators using a standard pressure drop test recommended by one of the regenerator manufacturers. This test consisted of blanking the regenerator inlet and outlet flanges and pressurizing the unit to 10 psig and noting the pressure drop in one minute. The regenerator manufacturer stated that any pressure drop of one pound or less in one minute was satisfactory however, they could not relate the air loss to the total air involved at operating conditions or say how much horsepower would be lost by the turbine due to the air leakage. Shortly after this initial testing system was set up on our system, two regenerator manufacturers supplied the user industry with formulas for calculating the percentage air loss at operating conditions, still using the pressure drop method previously explained.

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