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.
A BTU is a British Thermal Unit, or a measure of thermal or heat energy. BTUs are used to determine thermal energy output in a variety of devices, including furnaces.he heating degree-day calculation for a furnace is 50 x heating therms x furnace efficiency = load in BTUs/hour. Your furnace must produce a certain load, measured in BTUs per hour, to heat your home.