1. HEAT EXCHANGER DESIGNPROJECT ME 414 Thermal Fluid System Design
Spring 2007
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2. Project Definition
During the process of a liquid chemical product, its temperature needs to be reduced by 20 degrees Celsius.
Mass flow rate is 220,000 kg/hr
Fluid enters the heat exchanger at 45 C and should leave at 25 C
Material properties of this chemical product can be approximated as water
Cooling of the chemical product will be achieved by using treated city water
City water is available at 20 C
Mass flow rate is adjustable and one of the design parameters to be selected
Exit temperature of city water from the heat exchanger is a function of the selected mass flow rate
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3. Design Optimization Goals
Must cool the chemical from 45 C to 25 C
Heat exchanger length can not exceed 7 m
Heat exchanger shell diameter can not exceed 2 m
Minimize heat exchanger shell and tube weight hence the cost
Minimize heat exchanger pressure drop
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