Fundamentals of Thermal-Fluid Sciences
5th Edition
ISBN: 9780078027680
Author: Yunus A. Cengel Dr., Robert H. Turner, John M. Cimbala
Publisher: McGraw-Hill Education
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Chapter 10, Problem 45P
To determine
The surface tension of the liquid in air
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Chapter 10 Solutions
Fundamentals of Thermal-Fluid Sciences
Ch. 10 - Prob. 1PCh. 10 - Define incompressible flow and incompressible...Ch. 10 - Define internal, external, and open-channel...Ch. 10 - What is the no-slip condition? What causes it?
Ch. 10 - What is forced flow? How does it differ from...Ch. 10 - What is a boundary layer? What causes a boundary...Ch. 10 - What is cavitation? What causes it?
Ch. 10 - Does water boil at higher temperatures at higher...Ch. 10 - If the pressure of a substance is increased during...Ch. 10 - What is vapor pressure? How is it related to...
Ch. 10 - The analysis of a propeller that operates in water...Ch. 10 - A pump is used to transport water to a higher...Ch. 10 - In a piping system, the water temperature remains...Ch. 10 - The analysis of a propeller that operates in water...Ch. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - How does the dynamic viscosity of (a) liquids and...Ch. 10 - Consider two identical small glass balls dropped...Ch. 10 - The viscosity of a fluid is to be measured by a...Ch. 10 - Prob. 21PCh. 10 - Consider the flow of a fluid with viscosity μ...Ch. 10 - A thin 30-cm × 30-cm flat plate is pulled at 3 m/s...Ch. 10 - A rotating viscometer consists of two concentric...Ch. 10 - Prob. 25PCh. 10 - The dynamic viscosities of carbon dioxide at 50°C...Ch. 10 - Prob. 28PCh. 10 - For flow over a plate, the variation of velocity...Ch. 10 - In regions far from the entrance, fluid flow...Ch. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - A large plate is pulled at a constant speed of U =...Ch. 10 - Prob. 35PCh. 10 - A small-diameter tube is inserted into a liquid...Ch. 10 - Prob. 37PCh. 10 - Prob. 38PCh. 10 - Is the capillary rise greater in small-or...Ch. 10 - Prob. 40PCh. 10 - Prob. 41PCh. 10 - A 1.2-mm-diameter tube is inserted into an unknown...Ch. 10 - Determine the gage pressure inside a soap bubble...Ch. 10 - A 0.03-in-diameter glass tube is inserted into...Ch. 10 - Prob. 45PCh. 10 - Prob. 46PCh. 10 - A capillary tube is immersed vertically in a water...Ch. 10 - Prob. 48PCh. 10 - Prob. 49PCh. 10 - Prob. 50RQCh. 10 - Consider a 55-cm-long journal bearing that is...Ch. 10 - Prob. 52RQCh. 10 - The pressure on the suction side of pumps is...Ch. 10 - Consider laminar flow of a Newtonian fluid of...Ch. 10 - Prob. 56RQCh. 10 - Prob. 57RQCh. 10 - Some rocks or bricks contain small air pockets in...
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- Air enters the compressor of a regenerative gas turbine engine at 310 K and 100 kPa, where it is compressed to 900 kPa and 650 K. The regenerator has an effectiveness of 75%, and the air enters the turbine at 1400 K. Assume variable specific heats for air. For a turbine efficiency of 90 percent, determine the amount of heat transfer in the regenerator. The amount of heat transfer in the regenerator is kJ/kg.arrow_forwardAir enters the compressor of a regenerative gas turbine engine at 310 K and 100 kPa, where it is compressed to 900 kPa and 650 K. The regenerator has an effectiveness of 79 percent, and the air enters the turbine at 1400 K. Assume constant specific heats for air at room temperature. The properties of air at room temperature are cp = 1.005 kJ/kg·K and k = 1.4. For a turbine efficiency of 90 percent, determine the amount of heat transfer in the regenerator. The amount of heat transfer in the regenerator is kJ/kg.arrow_forwardHints: Find the closed loop transfer function and then plot the step response for diFerentvalues of K in MATLAB. Show step response plot for different values of K. Auto Controls Show solutions and provide matlab code NO COPIED ANSWERS OR WILL REPORT!!!! Use own solutionarrow_forward
- what is shear stress and normal? how to tell them while calculating?arrow_forward12 mm 45 mm 20 kN 20 kN 12 mm 45 mm PROBLEM 1.61 For the assembly and loading of Problem 1.60, determine (a) the average shearing stress in the pin at C, (b) the average bearing stress at C in member BC, (c) the average bearing stress at B in member BC. PROBLEM 1.60 Two horizontal 20-kN forces are applied to pin B of the assembly shown. Knowing that a pin of 20-mm diameter is used at each connection, determine the maximum value of the average normal stress (a) in link AB, (b) in link BC.arrow_forwardHow do you find these answers?arrow_forward
- 250 mm 400 mm A B C E F 250 mm PROBLEM 1.52 Each of the two vertical links CF connecting the two horizontal members AD and EG has a 10 × 40-mm uniform rectangular cross section and is made of a steel with an ultimate strength in tension of 400 MPa, while each of the pins at C and F has a 20-mm diameter and are made of a steel with an ultimate strength in shear of 150 MPa. Determine the overall factor of safety for the links CF and the pins connecting them to the horizontal members. 24 kNarrow_forward50 mm 12 mm B O C OA 300 mm 450 mm E PROBLEM 1.51 Each of the steel links AB and CD is connected to a support and to member BCE by 25-mm-diameter steel pins acting in single shear. Knowing that the ultimate shearing stress is 210 MPa for the steel used in the pins and that the ultimate normal stress is 490 MPa for the steel used in the links, determine the allowable load P if an overall factor of safety of 3.0 is desired. (Note that the links are not reinforced around the pin holes.)arrow_forward3. A 15% magnesium chloride solution is flowing through a 5-nom sch 40 commercial steel pipe at a rate of 325,000 lbm/h. The average temperature of the magnesium chloride solution as it flows through the pipe is 10°F. Determine the convective heat transfer coefficient inside the pipe.arrow_forward
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