This paper on test protocols for combustion turbine (CT) inlet cooling investigates the instrumentation and methodology options available for testing fogger systems for cooling CT inlet air. Test protocols are presented for the steady state water balance and heat balance measurements. Estimated test uncertainties are presented for the direct measurement of cooling, heat balance, and power curve test methods. In-situ hot wire instrumentation is considered for measuring the carryover. The benefits of computational fluid dynamics (CFD) analysis are illustrated for guidance in the location and in defining the requirements of the instrumentation. Supporting test data for in-situ, heat balance, and power curve tests are included in the report. Test procedures and a method to correct the test results to the guarantee condition are presented. This investigation supports the development of code tests being developed by the ASME PTC 51 Committee.

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