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Dynamic Modeling and Experimental Analysis of Induced Draft Cooling Tower

[+] Author Affiliations
Ehsan M. Languri, Pallavi P. Patil, Glenn Cunningham, Albert Welch, Anthony Loftis

Tennessee Tech University, Cookeville, TN

Paper No. POWER2016-59155, pp. V001T04A004; 5 pages
  • ASME 2016 Power Conference collocated with the ASME 2016 10th International Conference on Energy Sustainability and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2016 Power Conference
  • Charlotte, North Carolina, USA, June 26–30, 2016
  • Conference Sponsors: Power Division, Advanced Energy Systems Division, Solar Energy Division, Nuclear Engineering Division
  • ISBN: 978-0-7918-5021-3
  • Copyright © 2016 by ASME


A dynamic modeling study and field validation of a cooling tower serving a chiller are performed in this study to evaluate the efficiency of the cooling tower under various conditions. The dynamic model examines the losses and thermal capability of the cooling tower. The cooling tower used in this study for field validation is located at Cookeville, Tennessee, USA. The whole setup is fully instrumented to record the water and air flow rates and temperature; make-up water and blow down water flow rates; power consumption of pump; fan and chiller; weather data; etc. with one-hour resolution. The outcomes of the model are validated with the recorded data of the cooling tower and the test condition data. Furthermore, the effects of using Variable Frequency Drive (VFD) on the cooling tower’s fan power consumption are investigated. Additional recommendations on improving the energy efficiency and reducing the water losses are suggested based on the modeling data.

Copyright © 2016 by ASME



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