After a brief hospital stay, Hawking told her that he spent the time thinking about black holes. Hawking typically comes into the office after a big breakfast and reading the news, Croasdell said. He's not an early morning person, but he does stay quite late, until about 7 or 8 in the evening, she said.
Heat (Btu/hr) = Flow Rate (GPM) x 210 x Temperature Difference (oF) Btu/hr Q = GPM x 210 x rT. Heat In Fresh Water (approx.) Heat (Btu/hr) = Flow Rate (GPM) x 500 x Temperature Difference (oF) Btu/hr Q = GPM x 500 x rT. Heat In 50% Ethylene Glycol and.
1.BTU - British Thermal Unit: The unit of heat in the imperial system - the BTU -. is the amount of heat required to raise the temperature of one pound of water through 1oF (58.5 deg F - 59.5 deg F) at sea level (30 inches of mercury).. 1 Btu (British thermal unit) = 1055.06 J. = 107.6 kpm.