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 9, Problem 136P
a)
To determine
The coefficient of performance.
b)
To determine
The quality at the beginning of the heat-absorption process.
(c)
To determine
The net-work input to the cycle.
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Chapter 9 Solutions
Fundamentals of Thermal-Fluid Sciences
Ch. 9 - Prob. 1PCh. 9 - What is the difference between air-standard...Ch. 9 - Prob. 3PCh. 9 - Prob. 4PCh. 9 - Prob. 5PCh. 9 - Prob. 6PCh. 9 - Prob. 7PCh. 9 - Prob. 8PCh. 9 - Prob. 9PCh. 9 - Prob. 10P
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- 1 Water at 15°C ( p = 999.1 kg/m³ and µ = 1.138 × 10¯¯³kg/m.s) is flowing steadily in a 34-m-long and 6-cm-diameter horizontal pipe made of stainless steel at a rate of 10 L/s. Determine the pressure drop, the head loss, and the pumping power requirement to overcome this pressure drop. The roughness of stainless steel is 0.002 mm. eBook Hint 10 L/s 6 cm L The pressure drop is The head loss is kPa. |m. (Round the final answer to two decimal places.) The pumping power requirement is three decimal places.) kW. (Round the final answer toarrow_forward3 eBook Hint Air enters an 15-m-long section of a rectangular duct of cross section 15 cm x 20 cm made of commercial steel at 1 atm and 35°C at an average speed of 5 m/s. Disregarding the entrance effects, determine the fan power needed to overcome the pressure losses in this section of the duct. The properties of air at 1 atm and 35°C are p = 1.145 kg/m³, µ = 1.895 × 10−5 kg/m·s, and v = 1.655 × 10¯5m²/s. The roughness of commercial steel surfaces is = 0.000045 m. (Round the final answer to three decimal places.) L 15 cm Air 20 cm 5 m/s The fan power needed to overcome the pressure losses is 4.0695 W.arrow_forward12) A particle is moving along a circular path having a radius of 6 in. such that its position as a function of time is given by 0 = sin 3t, where 0 is in radians, the argument for the sine are in radians, and t is in seconds. Determine the acceleration of the particle at 0 = 30°. The particle starts from rest at 0 = 0°.arrow_forward
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