Author Notes Table Snafu in Article

Reading over "Playing the Smart Hand" (Jan. 2001, p. 42), I noticed that Table 3, Chiller Algorithm Output, was not the latest one that I had sent with my article revision.The electric chiller calculation that was shown on the table in the magazine was missing the kilowatt/ton in the formula.Kent W.

02/01/2002


Reading over "Playing the Smart Hand" (Jan. 2001, p. 42), I noticed that Table 3, Chiller Algorithm Output, was not the latest one that I had sent with my article revision.

The electric chiller calculation that was shown on the table in the magazine was missing the kilowatt/ton in the formula.

Kent W. Peterson, P.E., Chief Mechanical Engineer and Principal, P2S Engineering, Long Beach, Calif.

Chiller Algorithm Output

Example 1 Example 2 Example 3
Gas ($/therm)$ 0.35$ 0.35$ 0.35
Electric ($/kWh)$ 0.05$ 0.12$ 0.18
Plant Load (Tons) Best Chiller Combination Cost/Ton-Hr Best Chiller Combination Cost/Ton-Hr Best Chiller Combination Cost/Ton-Hr
4002$0.0311$0.0661$0.075
5002$0.0291$0.0571$0.065
6002$0.0282$0.0683$0.089
7002$0.0282$0.0683$0.082
8002$0.0283$0.0663$0.075
9002$0.0293$0.0613$0.069
1,0005$0.0293$0.0573$0.065
1,1005$0.0294$0.0684$0.094
1,2005$0.0284$0.0674$0.093
1,3005$0.0284$0.0664$0.092
1,4005$0.0284$0.0676$0.092
1,5005$0.0286$0.0686$0.090
1,6005$0.0286$0.0676$0.088
1,7005$0.0286$0.0666$0.087
1,8005$0.0296$0.0656$0.086
1,9005$0.0306$0.0656$0.087
2,0005$0.0316$0.0666$0.088





click me