Two pumps are being considered for a pipe system. Table P4.39 shows the economic and operating parameters
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Two pumps are being considered for a pipe system. Table P4.39 shows the economic and operating parameters of each pump. The fluid being transported in the system is a 30% propylene glycol solution. The propylene glycol is flowing at 300 gpm with an average temperature of 40°F. At this condition, the head required from the pump is 37 ft. The system operates continuously all year long with an estimated 10% downtime for maintenance and repair. The cost of electricity is $0.11/kWh.
The system is expected to last for 30 years and provide a rate of return of 18%.Determine which pump provides the best economic advantage for this application.
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Related Book For 
Thermal Energy Systems Design And Analysis
ISBN: 9781138735897
2nd Edition
Authors: Steven G. Penoncello
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