MIL-HDBK-1003/19
APPENDIX C
WORKSHEET 7
System Efficiencies During Reference Month
TOTAL SYSTEM EFFICIENCY
Total effective load coefficient:
TLCe = NLC + G [multiplied by] Ac = ________ Btu/d
Solar heating fraction:
SHF = 1 - e -SLR* = ________
Total efficiency:
TLCe [multiplied by] SHF + (24 Uc - G) Ac
et = = ________
[alpha] (VTn/DD) Ac
(NOTE:
et = ed [multiplied by] eu)
DELIVERY EFFICIENCY
ed = ________
et
UTILIZATION EFFICIENCY
eu = = ________
ed
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