Environmental Engineering Reference
In-Depth Information
Hot Load From Utility Source
“
Top Input
”
Hot Load From Process Source
Cooling Capacity From Process Source
“
Left Input
”
“
Right Output
”
1
Residual Hot to Subsequent Interval
“
Bottom Output
” from first interval
Heat Balance
Top Input+ Left Input- Right Output = Bottom Output
Figure 7. First Interval Heat Balance
Numerical Example of First Interval Heat Balance
Numerical Example of First Interval Heat Balance
Hot Load From Utility Source
Hot Load From Utility Source
“
Top Input ”= 0.0 kW
“
Top Input ”= 0.0 kW
Hot Load From Process Source
Hot Load From Process Source
Cooling Capacity From Process Source
Cooling Capacity From Process Source
“
Left Input ”= 0.0 kW
“
Left Input ”= 0.0 kW
“
Right Output ”=400 kW
“
Right Output ”=400 kW
1
1
Residual Hot to Subsequent Interval
Residual Hot to Subsequent Interval
= - 400 kW
= - 400 kW
“
Bottom Output
“
Bottom Output
” from first interval
” from first interval
Heat Balance
Heat Balance
Top Input+ Left Input - Right Output = Bottom Output
0.0 + 0.0 - 400 = - 400 kW
Top Input+ Left Input - Right Output = Bottom Output
0.0 + 0.0 - 400 = - 400 kW
Figure 8. Numerical Example of First Interval Heat Balance
