Thinking Like an Engineer: An Active Learning Approach (4th Edition)
4th Edition
ISBN: 9780134639673
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 9, Problem 7RQ
- 7. A sludge mixture having a specific gravity of 2.93 and a viscosity of 0.09 grams per centimeter second [g/(cm s)] is pumped from a reactor to a holding tank. The pipe is a
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Send 20 degree Celsius of water at 4.0 [m3 / h]. How many inches of standard steel pipe should be used to set the average flow rate in the pipe to 1.5 ~ 2 [m / s]? At this time, determine the average flow rate and the flow of the fluid.
Send 20 degree Celsius of water at 4.0 [m3 / h]. How many [in] of standard steel pipe should be used to make the average flow rate in the pipe 1.5 ~ 2 [m / s]? At this time, determine the average flow rate and the flow of the fluid.
A sludge mixture having a specific gravity of 2.93 and a viscosity of 0.09 grams per centimeter second [g/(cm•s)] is pumped from a reactor to a holding tank. The pipe is a 2.5 inch [in] diameter pipe. The velocity is 1.8 meters per second [m/s]. Determine the Reynolds number in the pipe for the system and indicate if the flow is laminar, in transition, or turbulent.
Chapter 9 Solutions
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Ch. 9.1 - The heat loss (Q/t, in units of joules per second...Ch. 9.2 - A simple expression for the velocity of molecules...Ch. 9.2 - What are the dimensions of the value 6 in the...Ch. 9.4 - The Euler number is a function of the pressure...Ch. 9 - Complete the following table. Dimensions ...Ch. 9 - Complete the following table. Dimensions ...Ch. 9 - Calculate the numerical value of each of the...Ch. 9 - Calculate the numerical value of each of the...Ch. 9 - A fluid with a specific gravity of 0.91 and a...Ch. 9 - Brine, with a density of 1.25 grams per cubic...
Ch. 9 - When a simple turbine is used for mixing, the...Ch. 9 - History suggests that Newton developed his idea...Ch. 9 - It is proposed to create a set of dimensionless...Ch. 9 - 1. While researching fluid dynamics, you come...Ch. 9 - 2. While researching fluid dynamics, you came...Ch. 9 - 3. While researching fluid dynamics, you come...Ch. 9 - 4. The Arrhenius number (Ar) is the dimensionless...Ch. 9 - 5. The Biot number (Bi) is the dimensionless...Ch. 9 - 6. A biodegradable fuel having a specific gravity...Ch. 9 - 7. A sludge mixture having a specific gravity of...Ch. 9 - 8. Water (specific gravity = 1.02; viscosity =...Ch. 9 - 9. We have been asked to determine a set of...Ch. 9 - 10. The Peclet number is used in heat transfer in...Ch. 9 - 11. When a fluid flows slowly across a flat plate...Ch. 9 - 12. In modeling the flow of liquid in a piping...
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- Show diagrams and calculations to support your answer. Suppose you are a group of cadet engineers given by your department manager a “simple” task of choosing an appropriate flow meter to install in a straight horizontal pipeline of the given specifications: Nominal diameter: 6 inches Schedule Number: 40 Material of Construction: steel Water is to flow through the pipeline within the range of 600 to 625 gal/min at a temperature of 27°C. You have the following choices in terms of the flow meter: [a] a venturi meter [b] an orifice meter [c] a rotameter [d] a commercial flowmeter of your choice, other than the above-mentioned ones Which would you recommend? Tips: [1] Base your choice on the following criteria: [1.a] pressure loss due to the presence of the flow meter [1.b] relative cost (and ease) of installation [1.c] relative cost of equipmentarrow_forwardA pipe system takes water from a pool and circulates it through a filter using a pump. Answer the following assuming the pipe has a relative roughness, �/�=0.008ϵ/D=0.008, the diameter of the pipe is �=2.09[cm]D=2.09[cm], the total length of pipe is �=88[m]L=88[m], and the loss coefficients are ������=1.5Kelbow=1.5, ����=0.8Kent=0.8, �����=1Kexit=1, ������=7.9Kvalve=7.9, and �������=29Kfilter=29. The pump that is attached has a linear manufacturer's curve of:ℎ����=−117�+31.3hpump=−117Q+31.3 What will be the velocity of the water in the pipe?arrow_forwardPlease sol with steparrow_forward
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