D dpolet Active member Joined Apr 20, 2012 Messages 42 Reaction score 0 Jul 18, 2013 #1 NCEES 2008 AM #138 use 970btu/lbm. However, I found at 14.7psia, the water Hfg=1060 btu/lbm. They have different btu/lbm, did I miss anything? Thanks.
NCEES 2008 AM #138 use 970btu/lbm. However, I found at 14.7psia, the water Hfg=1060 btu/lbm. They have different btu/lbm, did I miss anything? Thanks.
C CRNewsom Well-known member Joined Aug 21, 2009 Messages 59 Reaction score 1 Location Louisville, KY Jul 19, 2013 #2 My tables list hfg of water at 14.696 psia at 970.4 Btu/lb. The only values I see where hfg approaches 1060 Btu/lb is at 0 psia. Perhaps your reference tables have psia and psig confused?
My tables list hfg of water at 14.696 psia at 970.4 Btu/lb. The only values I see where hfg approaches 1060 Btu/lb is at 0 psia. Perhaps your reference tables have psia and psig confused?
D dpolet Active member Joined Apr 20, 2012 Messages 42 Reaction score 0 Jul 20, 2013 #3 CRNewsom,you are correct. I mixed psia and psig. Thank you.