Transcript of Heat loss guide slideshare parts 8 and 9
- 1. STEP 8: Calculate the heat loss through the slab a. Get the
average temperature for January from Table C.19 = ______F b. Get
the average annual temperature from Table C.19 = ______F c. The
average of a. and b. = ______F d. Retrieve amplitude using
interpolation from Fig. 7.11 = ______F e. Design temperature at
ground surface = c. d. = ______F 8 37
- 2. STEP 8: Calculate the heat loss through the slab
- 3. STEP 8: Calculate the heat loss through the slab a. Get the
average temperature for January from Table C.19 = ______F b. Get
the average annual temperature from Table C.19 = ______F c. The
average of a. and b. = ______F d. Retrieve amplitude using
interpolation from Fig. 7.11 = ______F e. Design temperature at
ground surface = c. d. = ______F 8 37 22.5 25
- 4. STEP 8: Calculate the heat loss through the slab
- 5. STEP 8: Calculate the heat loss through the slab a. Get the
average temperature for January from Table C.19 = ______F b. Get
the average annual temperature from Table C.19 = ______F c. The
average of a. and b. = ______F d. Retrieve amplitude using
interpolation from Fig. 7.11 = ______F e. Design temperature at
ground surface = c. d. = ______F 8 37 22.5 25 -2.5
- 6. STEP 8: Calculate the heat loss through the slab
- 7. STEP 8: Calculate the heat loss through the slab a. Get the
average temperature for January from Table C.19 = ______F b. Get
the average annual temperature from Table C.19 = ______F c. The
average of a. and b. = ______F d. Retrieve amplitude using
interpolation from Fig. 7.11 = ______F e. Design temperature at
ground surface = c. d. = ______F 8 37 22.5 25 -2.5 q (Btu/h) =
(0.017 Btu/h ft2 F)*(6,000 ft2)*(65 (-2.5) F) = 6,885 Btu/h
- 8. STEP 9: Calculate the heat loss through the basement
walls
- 9. STEP 9: Calculate the heat loss through the basement
walls
- 10. STEP 9: Calculate the heat loss through the basement walls
q (Btu/h) = (0.542 Btu/h ft2 F)*(1 ft)*(380 ft)*(67.5) F) = 13,900
Btu/h