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-Pipe A 21 Pipe B 11110 Question 1 Two pipes, made from the same material, are connected to a water tank (p= 10³ kg/m³, u = 10-³ Pa-s). The level H is constant. Pipe A has a length L and diameter D, and pipe B has a length 2L and diameter D. Both pipes discharge to the atmosphere. You may neglect minor losses but not major losses. The gravity cannot be neglected. Assume steady-state and no friction in the tank. (a) Which pipe will pass the larger flow rate if the flow is ideal without friction? Justify your answer with equations but without numerical calculations. (b) Which pipe will pass the larger flow rate if the flow is fully turbulent with fA=fB = constant? Justify your answer with equations but without numerical calculations. (c) Which pipe will pass the larger flow rate if the flow is laminar? Justify your answer with equations but without numerical calculations.

-Pipe A 21 Pipe B 11110 Question 1 Two pipes, made from the same material, are connected to a water tank (p= 10³ kg/m³, u = 10-³ Pa-s). The level H is constant. Pipe A has a length L and diameter D, and pipe B has a length 2L and diameter D. Both pipes discharge to the atmosphere. You may neglect minor losses but not major losses. The gravity cannot be neglected. Assume steady-state and no friction in the tank. (a) Which pipe will pass the larger flow rate if the flow is ideal without friction? Justify your answer with equations but without numerical calculations. (b) Which pipe will pass the larger flow rate if the flow is fully turbulent with fA=fB = constant? Justify your answer with equations but without numerical calculations. (c) Which pipe will pass the larger flow rate if the flow is laminar? Justify your answer with equations but without numerical calculations.

Introduction to Chemical Engineering Thermodynamics
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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-Pipe A 2L Pipe B Question 1 Two pipes, made from the same material, are connected to a water tank (p= 10³ kg/m³, u = 10-³ Pa-s). The level H is constant. Pipe A has a length L and diameter D, and pipe B has a length 2L and diameter D. Both pipes discharge to the atmosphere. You may neglect minor losses but not major losses. The gravity cannot be neglected. Assume steady-state and no friction in the tank. (a) Which pipe will pass the larger flow rate if the flow is ideal without friction? Justify your answer with equations but without numerical calculations. (b) Which pipe will pass the larger flow rate if the flow is fully turbulent with ffA=fB = constant? Justify your answer with equations but without numerical calculations. (c) Which pipe will pass the larger flow rate if the flow is laminar? Justify your answer with equations but without numerical calculations. (d) Calculate the volumetric flow rate in both pipes if H= 15 m, D=5 cm, L = 10 m and both pipes are made of galvanized iron (e=0.0005 ft). (e) It is decided to change the level of pipe B only, such that the new volumetric flow rate in pipe B is the same as that in pipe A of part (d). Find the new level of pipe B.
Transcribed Image Text:-Pipe A 2L Pipe B Question 1 Two pipes, made from the same material, are connected to a water tank (p= 10³ kg/m³, u = 10-³ Pa-s). The level H is constant. Pipe A has a length L and diameter D, and pipe B has a length 2L and diameter D. Both pipes discharge to the atmosphere. You may neglect minor losses but not major losses. The gravity cannot be neglected. Assume steady-state and no friction in the tank. (a) Which pipe will pass the larger flow rate if the flow is ideal without friction? Justify your answer with equations but without numerical calculations. (b) Which pipe will pass the larger flow rate if the flow is fully turbulent with ffA=fB = constant? Justify your answer with equations but without numerical calculations. (c) Which pipe will pass the larger flow rate if the flow is laminar? Justify your answer with equations but without numerical calculations. (d) Calculate the volumetric flow rate in both pipes if H= 15 m, D=5 cm, L = 10 m and both pipes are made of galvanized iron (e=0.0005 ft). (e) It is decided to change the level of pipe B only, such that the new volumetric flow rate in pipe B is the same as that in pipe A of part (d). Find the new level of pipe B.
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