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ID: 1767131 • Letter: L

Question

l-rainyday1190 M Inbox (2336)-10015 YouTube Home-CourseNetwcInstagram Facebook Ce Chegg Study TEXTBOOK SOLUTIONS EXPERT Q&A; | Chapter 6, Problem 5P Bookmark Show all steps Problem A room in a single-story building has three 2.5 x 4 ft double-hung wood windows of average fit that are not weather-stripped. The wind is 23 mph and normal to the wall with negligible pressurization of the room. Find the infiltration rate, assuming that the entire crack is admitting air Step-by-step solution Step 1 of 2 A Three windows The area of windows is 2.5ft wide by 4 ft high double hung The outside wind speed V, 23 mph The pressure difference due to wind which is function of shape and orientation of the building and wind direction is expressed as C 2g, 5 6 8 9

Explanation / Answer

The pressure loss coefficient can be determined for low rise building from the ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers) cooling and heating load calculations Cp=0.52

Because they are assuming Ammonia gas releases so, Cp =0.52 Btu/Lbm0F.

Remaining all data they consider for Air at 60 0F.