Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 44, Problem 16RQ
Explain why a waterless, earth-coupled, closed-loop geo-thermal heat pump system is more efficient than a conventional closed-loop geothermal heat pump system.
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Chapter 44 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 44 - Geothermal heat pumps, or water-source heat pumps,...Ch. 44 - An important factor (or factors) involving water...Ch. 44 - Explain the ground loop or water loop of a...Ch. 44 - Explain the refrigerant loop of a closed-loop,...Ch. 44 - The__________loop is used to distribute heated or...Ch. 44 - True or False: Domestic hot water can be heated...Ch. 44 - Prob. 7RQCh. 44 - Antifreeze solutions that can be used in the...Ch. 44 - What is the main difference between a copper and a...Ch. 44 - A(n) ______well draws water from the top of...
Ch. 44 - Which of the following is a process in which a...Ch. 44 - The function of the pressure tank in an open-loop,...Ch. 44 - If 14 gpm of water is flowing through an open-loop...Ch. 44 - Explain the operation/purpose of the buffer tank...Ch. 44 - How will oversizing the buffer tank on a...Ch. 44 - Explain why a waterless, earth-coupled,...Ch. 44 - Explain how refrigerant and oil leakage are found...Ch. 44 - What kind of material is used in the waterless...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Geothermal heat pumps, or water-source heat pumps, are classified as either _____loop or _____loop systems.arrow_forwardAssess the factors that influence the economics of heat pumps.arrow_forwardA heat pump designer claims to have an air-source heat pump whose coefficient of performance is 1.8 when heating a building whose interior temperature is 300 K and when the atmospheric air surrounding the building is at 260 K. Is this claim valid?arrow_forward
- What is the heat source? Write briefly. What should be the characteristics of the heat sources used in heat pumps? Write.arrow_forwardWhat are the Difference of a Open Heater to a Closed heat exchanger?arrow_forwardIllustrate the contradiction between refrigeration cycles and the second law of thermodynamics while explaining how the efficiency of a refrigeration cycle could be higher than 100% and does not contradict with the Second Law of thermodynamics.arrow_forward
- Using the ideas in heat pumps under cyclic process, thoroughly explain the following(with diagram if possible)arrow_forwardA heat pump has a coefficient of performance equal to 4.25 and requires a power of 1.61 kW to operate. (a) How much energy does the heat pump add to a home in one hour? (b) If the heat pump is reversed so that it acts as an air conditioner in the summer, what would be its coefficient of performance? Need Help? Read Itarrow_forwardA geothermal heat pump with a coefficient of performance of 1.3 supplies a building with 48000 BTU/hr of heat. Assuming a $0.20/kWh electricity rate. Provide responses to the following questions about this system: a. How much would it cost per month to supply heat at a rate of 48000 BTU/hr using a basic electrical resistance heater? b. In that month, how much heat is extracted from the earth by the heat pump, in kWh? c. What is the monthly savings associated with using this heat pump vs a basic electrical resistive heater?arrow_forward
- 1. Assess the limiting factors that impact on the economics of heat pumps. As an example, consider the following: a) Do you think a heat pump system will be more cost-effective in New York or in Miami? Explain. b) How does the COP of a water-source heat pump system compare to that of an air- source system? c) Temperature variationarrow_forwardDiscuss the difference between a heat engine and a refrigerating machine. Also explain in detail components, schematic diagram and computation of efficient of a basic refrigeration system.arrow_forwardNonearrow_forward
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