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- W49980468 abstract "Electric utility steam condensers typically use plain tubes made of titanium, stainless steel, or copper alloys. Approximately two-thirds of the total thermal resistance is on the water side of the plain tube. This program seeks to conceive and develop a tube geometry that has special enhancement geometries on the tube (water) side and the steam (shell) side. This enhanced'' tube geometry, will provide increased heat transfer coefficients. The enhanced tubes will allow the steam to condense at a lower temperature. The reduced condensing temperature will reduce the turbine heat rate, and increase the plant peak load capability. Water side fouling and fouling control is a very important consideration affecting the choice of the tube side enhancement. Hence, we have consciously considered fouling potential in our selection of the tube side surface geometry. Using appropriate correlations and theoretical models, we have designed condensation and water side surface geometries that will provide high performance and be cleanable using sponge ball cleaning. Commercial tube manufacturers have made the required tube geometries for test purposes. The heat transfer test program includes measurement of the condensation and water side heat transfer coefficients. Fouling tests are being run to measure the waterside fouling resistance, and tomore » test the ability of the sponge ball cleaning system to clean the tubes. This paper describes the program work, and defines the performance improvements possible. 11 refs., 15 figs., 8 tabs.« less" @default.
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- W49980468 date "1990-05-03" @default.
- W49980468 modified "2023-09-24" @default.
- W49980468 title "Enhanced tubes for electric utility steam condensers" @default.
- W49980468 hasPublicationYear "1990" @default.
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