Fundamentals of Heat and Mass Transfer
7th Edition
ISBN: 9780470501979
Author: Frank P. Incropera, David P. DeWitt, Theodore L. Bergman, Adrienne S. Lavine
Publisher: Wiley, John & Sons, Incorporated
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Chapter 10, Problem 10.13P
(a)
To determine
The surface temperature.
The heat flux at the exposed surface.
(b)
To determine
The surface temperature by applying a boiling correlation.
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2. For a saturated dry steam at 1,500 KPa that passes through a 100 mm (OD) steel
pipe with a thickness of 5 mm and a length of 100 meters. The steam line is
insulated with a 50 mm thickness and a thermal conductivity of 0.25 W/m.C. For a
mass flow rate of 600 kg of steam per hour. The surface film conductance of steam
is h = 5,500 W/m?.C, surface film conductance of air is h = 12 W/m?.C , thermal
conductivity of pipe material is k = 153 W/m.C and the ambient air temperature is
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a) The quality of steam after passing through the pipe
b) Explain the concepts/principles that were considered and the factors that
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@ 1,500 KPa (tsat = 198.32°C)
kJ
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kg
k]
844.89
kg
kJ
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1
hg
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hf
hfg
2 (a) A short bronze cylinder of diameter 6 cm and length 12 cm is initially at 40°C and
then plunged into a fluid at 200°C. The temperature at the centre of the cylinder is
measured by a thermocouple to be 150°C after 5 minutes. What is the convective heat
transfer coefficient between the cylinder and the fluid?
The following properties of the bronze cylinder may be used:
Thermal conductivity k = 26 W/m-K, density p = 8800 kg/m², and specific heat c =
420 J/kg-K. State and justify all assumptions made.
"Consider a heat engine with a piston chamber that has a diameter of 30 mm, a cold reservoir at 285 K and hot reservoir at 350 K. It is also equipped with a
metal can cylinder that has a volume of 0.0002 m3. What is the total volume of air in the system if the metal can cylinder is in the hot reservoir and the
measured pressure and height of the piston are 103850 Pa and 60 mm, respectively?"
O 4.24x10-5 m3
O 4.25x10-2 m3
O 2,42x10-4 m3
O 3.70x10-4 m3
Chapter 10 Solutions
Fundamentals of Heat and Mass Transfer
Ch. 10 - Show that, for water at 1-atm pressure with...Ch. 10 - The surface of a horizontal. 7-mm-diameter...Ch. 10 - The role of surface tension in bubble formation...Ch. 10 - Estimate the heat transfer coefficient, h,...Ch. 10 - Prob. 10.5PCh. 10 - Prob. 10.6PCh. 10 - Prob. 10.7PCh. 10 - Prob. 10.8PCh. 10 - Calculate the critical heat flux on a large...Ch. 10 - Prob. 10.11P
Ch. 10 - Prob. 10.12PCh. 10 - Prob. 10.13PCh. 10 - Prob. 10.15PCh. 10 - Prob. 10.16PCh. 10 - Consider a gas-fired boiler in which five coiled,...Ch. 10 - Prob. 10.18PCh. 10 - Prob. 10.19PCh. 10 - Prob. 10.20PCh. 10 - Prob. 10.22PCh. 10 - Prob. 10.24PCh. 10 - Prob. 10.25PCh. 10 - A small copper sphere, initially at a uniform,...Ch. 10 - Prob. 10.28PCh. 10 - A disk-shaped turbine rotor is heat-treated by...Ch. 10 - A steel bar, 20 mm in diameter and 200 mm long,...Ch. 10 - Electrical current passes through a horizontal....Ch. 10 - Consider a horizontal. D=1 -mm-diameter platinum...Ch. 10 - Prob. 10.34PCh. 10 - Prob. 10.35PCh. 10 - Prob. 10.36PCh. 10 - Prob. 10.37PCh. 10 - A polished copper sphere of 10-mm diameter,...Ch. 10 - Prob. 10.39PCh. 10 - Prob. 10.40PCh. 10 - Consider refrigerant R-134a flowing in a smooth,...Ch. 10 - Determine the tube diameter associated with p=1...Ch. 10 - Saturated steam at 0.1 bar condenses with a...Ch. 10 - Prob. 10.45PCh. 10 - Prob. 10.46PCh. 10 - Prob. 10.47PCh. 10 - Prob. 10.48PCh. 10 - Prob. 10.50PCh. 10 - Prob. 10.53PCh. 10 - The condenser of a steam power plant consists of...Ch. 10 - Prob. 10.56PCh. 10 - Prob. 10.61PCh. 10 - Prob. 10.62PCh. 10 - A technique for cooling a multichip module...Ch. 10 - Determine the rate of condensation on a 100-mm...Ch. 10 - Prob. 10.66PCh. 10 - Prob. 10.67PCh. 10 - Prob. 10.70PCh. 10 - Prob. 10.71PCh. 10 - Prob. 10.74PCh. 10 - Prob. 10.75PCh. 10 - A thin-walled cylindrical container of diameter D...
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