Heat flow = AT × Area x Btu per hour %3D R-value (a) A stock-flow diagram, where the stock is the indoor temperature is shown below. Label each control arrow with a (+) or (-) as appropriate and briefly explain in your own words why you chose each label. Thermostat Heat in home Heat loss (b) Suppose the home has 300 ft of windows with an R-value of 1.5. Calculate the heat loss in Btu/hr when the indoor temperature is 70 °F and the outside temperature is 40 °F.

Heat flow = AT × Area x Btu per hour %3D R-value (a) A stock-flow diagram, where the stock is the indoor temperature is shown below. Label each control arrow with a (+) or (-) as appropriate and briefly explain in your own words why you chose each label. Thermostat Heat in home Heat loss (b) Suppose the home has 300 ft of windows with an R-value of 1.5. Calculate the heat loss in Btu/hr when the indoor temperature is 70 °F and the outside temperature is 40 °F.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.2DP

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