The application of the Modified Delaware Method, which was developed by Weber and Worek (1994) to evaluate the design performance of a feedwater heater with a short drain cooler, is illustrated. All calculations used in obtaining the heat transfer coefficients and pressure drops in the desuperheating, condensing, and drain cooling zones are shown by applying the method to an actual heater design.

1.
ASME Steam Tables, 1967, ASME, New York.
2.
Bell, K.J., 1986, Delaware Method for Shell Side Design, pp. 129–166.
3.
Biar, M., 1991, “Feedwater Heater Design Data,” Marley Heat Transfer Corp., Houston, TX.
4.
Clemmer, A. B., and Lemezis, S., 1965, “Selection and Design of Closed Feedwater Heaters,” presented at the ASME 1965 Winter Annual Meeting, Chicago, IL.
5.
John, J. E. A., and Haberman, W. L., 1980, Introduction to Fluid Mechanics, Prentice Hall, Englewood Cliffs, NJ.
6.
Palen, J. W., 1986, Heat Exchanger Sourcebook, Hemisphere Publishing Corp., New York.
7.
Reynolds and Perkins, 1977, Engineering Thermodynamics, McGraw-Hill, New York.
8.
Weber, G., 1992, Masters Thesis, University of Illinois at Chicago.
9.
Weber
G. E.
, and
Worek
W. M.
,
1994
, “
Evaluating the Design Performance of a Feedwater Heater With a Short Drain Cooler, Part I—Method Development
,”
ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER
, Vol.
116
, No.
2
, pp.
434
441
.
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