Thermodynamic Models of Dry-Wet Cooling Towers

by Thomas E. Croley, II, (A.M.ASCE), Asst. Prof. and Research Engr.; Div. of Energy, Iowa Inst. of Hydraulic Research, Univ. of Iowa, Iowa City, Iowa,
Mow-Soung Cheng, Research Asst.; Iowa Inst. of Hydraulic Research, Univ. of Iowa, Iowa City, Iowa,
V. C. Patel, Assoc. Prof. and Research Engr.; Iowa Inst. of Hydraulic Research, Univ. of Iowa, Iowa City, Iowa,


Serial Information: Journal of the Power Division, 1976, Vol. 102, Issue 1, Pg. 1-19


Document Type: Journal Paper

Abstract: The basic thermodynamic models, which are necessary for a comprehensive consideration of all cooling system costs, are outlined herein for the combination dry-wet cooling tower. The various subsystem models of indirect air-cooled heat exchangers, crossflow evaporative piles, turbines, and condensers are combined to give a manageable overall thermodynamic model, suitable for large numbers of repetitive calculations at all possible meteorological conditions. The input quantities for the resulting model are consistent with subsystem designs performed elsewhere. The resulting model represents several configurations of the parallel air-path, crossflow, induced-draft, dry-wet cooling tower. Example results illustrate the model use and indicate its large applicability in economic, water consumption, and plume emission studies.

Subject Headings: Thermodynamics | Dewatering | Cooling towers | Crossflow | Model analysis | Evaporation | Piles | Turbines

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