1 AIT Asian Institute of Technology

A model for optimizing feedwater heater design

AuthorAhmad, Belal
Call NumberAIT Thesis no. 1124
Subject(s)Thermodynamics
Feed-water heaters
NoteA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand
PublisherAsian Institute of Technology
AbstractIn this study, an approach is carried out to find a model to determine the optimal total heat transfer area of the feedwater heaters used in Steam Power Plant and allocate the area satisfactorily among the heaters, so that the fuel cost for generating steam is reduced, thermal efficiency of the steam turbine increases and also the cost of the heaters is quite reasonable. The above three objectives of feedwater heater designing seem to be always conflicting, so they need a compromise among themselves. For solving individual objectives and compromised single objective, dynamic programming approach is utilized. Minimum Deviation approach is used for resolving the three conflicting objectives into single compromised objective. The incremental value of the total gain in fuel cost saving is compared to the incremental value of the capital cost incurred, to determine the amount of total area to be allocated. For this purpose, the amount of area upto which the present worth of the incremental value of fuel cost offsets the incremental capital cost incurred is chosen as the most satisfactory. Illustrative example is also given.
Year1977
TypeThesis
SchoolStudent Research Before 1979
DepartmentOther Field of Studies (No Department)
Academic Program/FoSThesis (Year <=1979)
Chairperson(s)Pakorn Adulbhan
Examination Committee(s)Sharif, M. N. ; Techapun Raengkhum
Scholarship Donor(s)Government of Canada
DegreeThesis (M.Eng.) - Asian Institute of Technology, 1977


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