Physics for Scientists and Engineers: A Strategic Approach 5th Edition · Work, Heat, and the First Law of Thermodynamics · Problem 74
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Randall D. Knight — Work, Heat, and the First Law of Thermodynamics: Problem 74
A flow-through electric water heater has a 20 kW electric heater inside an insulated 2.0-cm-diameter pipe so that water flowing through the pipe will have good thermal contact with the heater. Assume that all the heat energy is transferred to the water. Suppose the inlet water temperature is \(12^{\circ}\text{C}\) and the flow rate is 8.0 L/min (about that of a standard shower head). What is the outlet temperature?
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주어진 조건: 20 kW
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Physics for Scientists and Engineers: A Strategic Approach · 5th Edition
저자: Randall D. Knight
출판사: Pearson
단원: Work, Heat, and the First Law of Thermodynamics