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ISBN: 9780357778845
Author: HAIK
Publisher: CENGAGE L
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Chapter 6.11, Problem 11P
Generate a function tree for a coin-sorting device.
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A heat pump is operating between a low temperature reservoir of 270 K and a high temperaturereservoir of 340 K. The heat pump receives heat at 255 K from the low temperature reservoir andrejects heat at 355 K to the high temperature reservoir. The heating coefficient of performance ofthe heat pump is 3.2. The heat transfer rate from the low temperature reservoir is 30 kW. The deadstate temperature is 270 K. Determine,a. Power input to the heat pump (kW)b. Heat transfer rate to the high-temperature reservoir (kW)c. Exergy destruction rate associated with the low temperature heat transfer (kW)d. Exergy destruction rate of the heat pump (kW)e. Exergy destruction rate associated with the high temperature heat transfer (kW)f. Exergetic efficiency of the heat pump itself
Refrigerant 134a (Table B6, p514 of textbook) enters a tube in the evaporator of a refrigerationsystem at 132.73 kPa and a quality of 0.15 at a velocity of 0.5 m/s. The R134a exits the tube as asaturated vapor at −21°C. The tube has an inside diameter of 3.88 cm. Determine the following,a. The pressure drop of the R134a as it flows through the tube (kPa)b. The volumetric flow rate at the inlet of the tube (L/s)c. The mass flow rate of the refrigerant through the tube (g/s)d. The volumetric flow rate at the exit of the tube (L/s)e. The velocity of the refrigerant at the exit of the tube (m/s)f. The heat transfer rate to the refrigerant (kW) as it flows through the tube
Water enters the rigid, covered tank shown in Figure P3.2 with a volumetric flow rate of 0.32L/s. The water line has an inside diameter of 6.3 cm. The air vent on the tank has an inside diameterof 4.5 cm. The water is at a temperature of 30°C and the air in the tank is at atmospheric pressure(1 atm) and 30°C. Determine the air velocity leaving the vent at the instant shown in the figure
Chapter 6 Solutions
ENGINEERING DESIGN PROCESS>PRINT UPGRD<
Ch. 6.11 - Discuss the following statement as it relates to...Ch. 6.11 - Why would it be wrong to state a mechanism of...Ch. 6.11 - What is the difference between functions and...Ch. 6.11 - Prob. 4PCh. 6.11 - As a team, choose one of the following products to...Ch. 6.11 - Prob. 6PCh. 6.11 - Prob. 7PCh. 6.11 - What is the difference between the functional...Ch. 6.11 - Prob. 9PCh. 6.11 - Prob. 10P
Ch. 6.11 - Generate a function tree for a coin-sorting...Ch. 6.11 - Prob. 12PCh. 6.11 - State whether following statements for true or...Ch. 6.11 - Establish the goal, action, function, behavior,...Ch. 6.11 - Establish the function tree of a car scissor Jack.Ch. 6.11 - Establish the function structure of an electric...Ch. 6.11 - Establish the purpose and action functions for a...Ch. 6.11 - Prob. 18P
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