Home / Questions / Chilled water enters a thin shelled 4 cm diameter 200 m long pipe at 7 deg Celsius at a ra...
Chilled water enters a thin shelled 4 cm diameter, 200 m long pipe at 7 deg. Celsius at a rate of 0.98 kg/sec and leaves at 8 deg. Celsius. The pipe is exposed to anambient air at 30 deg. Celsius with a heat transfer coefficient of 9 W/m^2*K. If the pipe is to be insulated with glass wool insulation (k=0.05 W/m*K) in order todecrease the temperature rise of water to 0.25 deg. Celsius, determine the required thickness of insulation.
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