Question: Repeat Example 8.3, but for a collector located in Washington, DC. Example 8.3 Find the thermal energy delivery of a polar-mounted parabolic trough collector oper-

Repeat Example 8.3, but for a collector located in Washington, DC.

Example 8.3

Find the thermal energy delivery of a polar-mounted parabolic trough collector oper- ated for 8 h per day (At = 8) during March in Albuquerque, New Mexico (L = 35N). The collector has an optical efficiency of 60%, a heat loss coefficient U = 0.5 W/mC, CR = 20, and heat removal factor FR = 0.95. The collector is to be operated at 150C. The ambient temperature is 10C.

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