Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN: 9781305387102
Author: Kreith, Frank; Manglik, Raj M.
Publisher: Cengage Learning
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Chapter 5, Problem 5.5P
Evaluate the dimensionless groups
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For a certain gas, R=0.277 kJ/kg-K and k=1.384.
If 32.55 kJ are transferred to this gas at constant pressure in Question 5, what are the resulting temperature and volume?
*Question 5:
For a certain gas, R=0.277 kJ/kg-K and k=1.384. What mass of this gas would occupy a volume of 0.475 m3 at 518.14 kPa and 27.8°C?
Given the following property data for H,0 designate
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and find the value(s) of the requested property or
properties. Use the tables in Appendix D or the NIST
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answers.
For a certain ideal gas R = 25.8 ft-lb/lb-R and k = 1.09 (a) What are the values of cp and cv?
(b) What mass of this gas would occupy a volume of 15 cu ft and 75 psia and 80F? (c) If 30 Btu
are transferred to this gas at constant volume in (b), what are the resulting temperature and
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Chapter 5 Solutions
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Ch. 5 - Evaluate the Reynolds number for flow over a tube...Ch. 5 - 5.2 Evaluate the Prandtl number from the following...Ch. 5 - Evaluate the Nusselt number for flow over a sphere...Ch. 5 - 5.4 Evaluate the Stanton number for flow over a...Ch. 5 - Evaluate the dimensionless groups hcD/k,UD/, and...Ch. 5 - 5.6 A fluid flows at 5 over a wide, flat plate 15...Ch. 5 - 5.7 The average Reynolds number for air passing in...Ch. 5 - Prob. 5.8PCh. 5 - When a sphere falls freely through a homogeneous...Ch. 5 - 5.10 Experiments have been performed on the...
Ch. 5 - 5.13 The torque due to the frictional resistance...Ch. 5 - The drag on an airplane wing in flight is known to...Ch. 5 - 5.19 Suppose that the graph below shows measured...Ch. 5 - Engine oil at 100C flows over and parallel to a...Ch. 5 - For flow over a slightly curved isothermal...Ch. 5 - Air at 20C flows at 1 m/s between two parallel...Ch. 5 - Air at 1000C flows at an inlet velocity of 2 m/s...Ch. 5 -
5.43 A refrigeration truck is traveling at 130...Ch. 5 - The air-conditioning system in a Chevrolet van for...Ch. 5 - Determine the rate of heat loss from the wall of a...
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- If one mole of H2 gas occupies a rigid container with a capacity of 1000 litres and the temperature is raised from 27°C to 37°C, the change in pressure of the contained gas (round off to two decimal places), assuming ideal gas behaviour, is Pa. (R = 8.314 J/mol.K)arrow_forwardAn object is placed against the center of a spherical mirror and then moved 80An ideal gas at 14.7 °C and a pressure of 2.92 x 105 Pa occupies a volume of 3.40 m?. (a) How many moles of gas are present? (b) If the volume is raised to 5.33 m and the temperature raised to 31.0 °C, what will be the pressure of the gas? (a) Number Units (b) Number Units cm from it along the central axis as the image distance i is measured. The figure gives i versus object distance p out to ps 46 cm. What is the image distance when the object is on the central axis and 76 cm from the mirror?arrow_forwardThere's a copper calorimeter container with the mass 0.2 kg and has 0.32 kg of H2O and also 0.036 kg of ice (thermal equilibrium at atm). If we drop 1.5 kg of lead at a temperature of 200 Celsius into calorimeter container, find the final temperature (in Celsius). Please show work Lead=131J/kgK Copper=390J/kg.K H2O = Cw = 4190 J/kg.K & LF = 3.34 x 105 J/kgarrow_forward
- Professional divers sometimes use heliox, consisting of 79% helium and 21% oxygen by mole. Suppose a perfectly rigid scuba tank with a volume of 11.0 L contains heliox at an absolute pressure of 2.20 x 107 Pa at a temperature of 30.0°C. (a) How many moles of helium and how many moles of oxygen are in the tank? 75.9 mol mol helium noxygen + 20.2 (b) The diver goes down to a point where the sea temperature is 26.0°C while using a negligible amount of the mixture. As the gas in the tank reaches this new temperature, how much heat is removed from it (in kJ)? 5.5e+03 X kJarrow_forwardI need step by step explanation. Please explain clearlyarrow_forward2. For a certain gas, R = 0.377KJ/kg.K and k = 1.384. (a)What are the values of c, and a, ? (b) What mass of this gas would occupy a volume of 0.552 m at 517.11 kPa and 36.7 deg. Celsius? (c) If 31.65 kJ is transferred to this gas at constant volume, what are the resulting temperature and pressure? Use 2kgmarrow_forward
- Q2. Consider a piston-cylinder device that contains liquid water at 1 MPa and 150 °C. The weights on top of the piston are removed one by one so that the pressure inside the cylinder decreases gradually (Fig. 3–18). Draw a property diagram that shows all the water states including phase change processes, which will go from compressed liquid to super-heated vapor while keeping the temperature constant in the system. P = 1 MPa T = 150°C Heatarrow_forwardLetters G and Harrow_forwardA quantity of 0.44 moles of air enters a diesel engine at a pressure of 148 kPa and at a temperature of 60 oC. Find the volume of this quantity of air in unit of L. Take the gas constant R = 8.31 J mol-1 K-1.arrow_forward
- A steam drum contains steam having an 86% quality. Assuming that the density of Liquid part is 989kg/m^3 and that of the vapor part is 1.23kg/m^3, Estimate the specific volume of the steam. (Note: 86% quality indicates the mass in vapor state). Draw the figure or free body diagram, and its step by step explanation.arrow_forwardA Shell Philippines specializes in the shipment of pressurized gaseous materials. An order is received for 5000 liters of a particular gas at 15oC and 1 atm. What minimum tank volume in liters is necessary to transport the same amount of gas at 35oC and a maximum pressure of 120 psia?arrow_forwardA certain gas at 1 atm and 289 K, has a volume of 2.83M cubic centimeters are compressed into a storage vessel of 0.31 cubic meter capacity. Before admission, the vessel contained the gas at initial pressure of 138.7 kPa and 24 0C; after admission, the pressure increased to 1080.375 kPag. What should be the final temperature of the gas in the nearest Rankine?arrow_forward
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