Homework Help is Here – Start Your Trial Now!
Engineering
Civil Engineering
1. What is the hydraulic radius of a rectangular air duct 300mm by 500mm?

1. What is the hydraulic radius of a rectangular air duct 300mm by 500mm?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
PROBLEMS ON FLUID FLOW IN PIPES 1. What is the hydraulic radius of a rectangular air duct 300mm by 500mm? 2. Air at 1500kPa absolute flows in 25mm-diamter tube. What is the maximum laminar flow rate. Use density of air-14.04kg/cu.m and μ=0.0000217Pa-s 3. The flow rate of water through a cast iron pipe is 5000GPM. The diameter of the pipe is 330mm, and the coefficient of friction is f=0.0173. What is the pressure drop over a 30m length of pipe 4. A tube 15m long is to connect two large tanks whose difference in water level is 2m. The tube is to carry 5L/s of flow. What minimum size of tube is necessary to assure laminar flow condition? 5. The water system in a suburban area consists of an old 200mm pipeline 760m long which conveys water from a pump to a reservoir whose water surface is 107m higher than the pump. Water is pumped at the rate of 0.07cu.m/sec. Determine the horsepower saved by replacing the old pipe with a new pipe. Assume the value of f as equal to 0.033 and 0.022 respectively, for the old and new pipes. Neglect losses of head except friction head.
Transcribed Image Text:PROBLEMS ON FLUID FLOW IN PIPES 1. What is the hydraulic radius of a rectangular air duct 300mm by 500mm? 2. Air at 1500kPa absolute flows in 25mm-diamter tube. What is the maximum laminar flow rate. Use density of air-14.04kg/cu.m and μ=0.0000217Pa-s 3. The flow rate of water through a cast iron pipe is 5000GPM. The diameter of the pipe is 330mm, and the coefficient of friction is f=0.0173. What is the pressure drop over a 30m length of pipe 4. A tube 15m long is to connect two large tanks whose difference in water level is 2m. The tube is to carry 5L/s of flow. What minimum size of tube is necessary to assure laminar flow condition? 5. The water system in a suburban area consists of an old 200mm pipeline 760m long which conveys water from a pump to a reservoir whose water surface is 107m higher than the pump. Water is pumped at the rate of 0.07cu.m/sec. Determine the horsepower saved by replacing the old pipe with a new pipe. Assume the value of f as equal to 0.033 and 0.022 respectively, for the old and new pipes. Neglect losses of head except friction head.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Components of water distribution system
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Structural Analysis
Structural Analysis
Civil Engineering
ISBN:
9781337630931
Author:
KASSIMALI, Aslam.
Publisher:
Cengage,
Structural Analysis (10th Edition)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Sustainable Energy
Sustainable Energy
Civil Engineering
ISBN:
9781337551663
Author:
DUNLAP, Richard A.
Publisher:
Cengage,
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS