1. 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. 2. STEP 8: Calculate the heat loss through the slab
3. 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. 4. STEP 8: Calculate the heat loss through the slab
5. 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. 6. STEP 8: Calculate the heat loss through the slab
7. 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. 8. STEP 9: Calculate the heat loss through the basement walls
9. 9. STEP 9: Calculate the heat loss through the basement walls
10. 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