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Unformatted text preview: efficiency between a hot summer day and a cold winter day? d) How does the efficiency you calculated in part (b) compare with the actual efficiency of the plant? [You can determine this from the data on the web page. If you get a full listing of variables, the fuel flow is listed under “total gas energy flow” and the net power is listed under “active load”. If you use the buttons next to the picture, you need to add up the main and primary fuel flows to get the total gas energy flow. Note that 1 BTU is 1055 Joules, and 1 KBTU/s is 10 3 BTU/s.] Why is the actual efficiency different from that you calculated in part (b)? e) You modeled the compressor as quasi-static and adiabatic. Test how good this assumption is by comparing the temperature rise you calculate across the compressor with the measured temperature rise across the compressor. ABB GT10 Courtesy of Siemens Industrial Turbomachinery Dept.; Used with permission....
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.
- Fall '05