Cooling Tower Performance Evaluation: Merkel, Poppe, and e-NTU Methods of Analysis-Reference-Cited by-同舟云学术

Cooling Tower Performance Evaluation: Merkel, Poppe, and e-NTU Methods of Analysis

Published:2005-01-01 Issue:1 Volume:127 Page:1-7
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Kloppers Johannes C.¹,Kro¨ger Detlev G.¹

Affiliation:

1. Department of Mechanical Engineering, University of Stellenbosch, Stellenbosch 7600, South Africa

Abstract

The heat rejected and water evaporated in mechanical and natural draft cooling towers are critically evaluated by employing the Merkel, Poppe, and e–number-of-transfer-units e-NTU methods of analysis, respectively, at different operating and ambient conditions. The importance of using a particular method of analysis when evaluating the performance characteristics of a certain fill material and subsequently employing the same analytical approach to predict cooling tower performance is stressed. The effect of ambient humidity and temperature on the performance of cooling towers employing the Merkel, e-NTU, and Poppe methods of analysis are evaluated.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/127/1/1/5614081/1_1.pdf

Reference17 articles.

1. McKelvey, K. K., and Brooke, M., 1959, The Industrial Cooling Tower, Elsevier, Amsterdam.

2. Merkel, F., “Verdunstungsku¨hlung,” 1925, VDI-Zeitchrift, Vol. 70, pp. 123–128.

3. Osterle, F. , 1991, “On the Analysis of Counter-Flow Cooling Towers,” Int. J. Heat Mass Transfer, 34(4/5), pp. 1313–1316.

4. Jaber, H., and Webb, R. L., 1989, “Design of Cooling Towers by the Effectiveness-NTU Method,” ASME J. Heat Transfer, 111, pp. 837–843.

5. Poppe, M., and Ro¨gener, H., 1991, “Berechnung von Ru¨ckku¨hlwerken,” VDI-Wa¨rmeatlas, pp. Mi 1–Mi 15.

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