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Get Full Access to Fundamentals Of Engineering Thermodynamics - 7 Edition - Chapter 10 - Problem 42p
Get Full Access to Fundamentals Of Engineering Thermodynamics - 7 Edition - Chapter 10 - Problem 42p

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ISBN: 9780470495902 50

## Solution for problem 42P Chapter 10

Fundamentals of Engineering Thermodynamics | 7th Edition

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Problem 42P

PROBLEM 42P

A geothermal heat pump operating at steady state with Refrigerant-22 as the working fluid is shown schematically in Fig. P10.42. The heat pump uses 55°F water from wells as the thermal source. Operating data are shown on the figure for a day in which the outside air temperature is 20°F. Assume adiabatic operation of the compressor. For the heat pump, determine

(a) the volumetric flow rate of heated air to the house, in ft3/min.

(b) the isentropic compressor efficiency.

(c) the compressor power, in horsepower.

(d) the coefficient of performance.

(e) the volumetric flow rate of water from the geothermal wells, in gal/min.

For T0 = 20°F, perform a full exergy accounting of the compressor power input, and devise and evaluate a second law efficiency for the heat pump system.

Fig. P10.42

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Tuesday, April 11, 2017 Intersectionality Introduction “When it comes to social inequality, people’s lives and the organization of power within a given society are better understood as being shaped not by a single axis of social division, be it race, gender, or class, but by many axes that work together and inﬂuence each other” (pg. 2) Domains of Power 1. Interpersonal (the realm of personal relationships) 2. Disciplinary (the realm of institutions) 3. Cultural (the realm of ideology) 4. Structural (the realm of organizational structure) Social Inequality Economic inequality does not fall equally on everyone 1. 2. It complicates class-only explanations 3. The signiﬁcance of social institutions (neoliberalism) Core Ideas of an Intersectional Framework 1. Social Ineq

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