Water is pumped from a reservoir to a tank suspended 20 m above the reservoir. The water flows through the same size pipe throughout the process. Both the reservoir and the tank are open to the atmosphere. If friction in the pipes consumes 25% of the pump energy, determine the mass flow of water if a 2 hp pump is used. Assume the liquid water has a density of 1 g/cm³. a. b. C. Draw a picture of your system. Label parameters of interest in a mechanical energy balance. Use variables to define unknowns. Write the open system mechanical energy balance and eliminate unnecessary terms. Justify any eliminated terms. What is the mass flow rate of water? Please give your answer in kg/min.
Water is pumped from a reservoir to a tank suspended 20 m above the reservoir. The water flows through the same size pipe throughout the process. Both the reservoir and the tank are open to the atmosphere. If friction in the pipes consumes 25% of the pump energy, determine the mass flow of water if a 2 hp pump is used. Assume the liquid water has a density of 1 g/cm³. a. b. C. Draw a picture of your system. Label parameters of interest in a mechanical energy balance. Use variables to define unknowns. Write the open system mechanical energy balance and eliminate unnecessary terms. Justify any eliminated terms. What is the mass flow rate of water? Please give your answer in kg/min.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Water is pumped from a reservoir to a tank suspended 20 m above the reservoir. The water
flows through the same size pipe throughout the process. Both the reservoir and the tank are
open to the atmosphere. If friction in the pipes consumes 25% of the pump energy, determine
the mass flow of water if a 2 hp pump is used. Assume the liquid water has a density of 1 g/cm³.
a.
b.
C.
Draw a picture of your system. Label parameters of interest in a mechanical energy
balance. Use variables to define unknowns.
Write the open system mechanical energy balance and eliminate unnecessary terms.
Justify any eliminated terms.
What is the mass flow rate of water? Please give your answer in kg/min.
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