The transient response of heat exchangers to a change in inlet temperature of one of the fluids is of much interest in industrial practice. Due to the complexity of the problem, no generally accepted solutions exist. This thesis presents an extensive survey of major solutions available in literature and identifies the ranges of parameters for which solutions are not available. A commercially available thermal network solver software package (Thermonet) will be used to model the transient response of heat exchangers. The software package will be verified using five existing solutions found in literature. The software package will be utilized to generate transient solutions for a counterflow heat exchanger covering a wide range of parameters useful in engineering practice. The results are presented in tabular form. Important parametric influences are discussed and effects of process and geometrical variables on the transient performance is evaluated.
Library of Congress Subject Headings
Heat exchangers--Fluid dynamics--Computer simulation; Heat exchangers--Thermodynamics--Computer simulation
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Department, Program, or Center
Mechanical Engineering (KGCOE)
Bunce, David, "The Transient response of heat exchangers" (1995). Thesis. Rochester Institute of Technology. Accessed from
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