Btu to temperature conversion
[DOC File]Activity 2.2.3 Heat Loss and Gain
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R-Value U-Factor Area ΔT Transmission Load 1/R Square Feet Degrees F Btu/Hour West Wall 14.13 .070 128 Design Temperature Differential. Find the design temperature difference (ΔT) between the desired inside temperature and the outside winter design temperature for …
[DOC File]Activity 2.2.3 Heat Loss and Gain
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Alternatively, you may use a design temperature that reflects local climate or local weather experience as determined by the building official. The International Residential Code requirements/rule of thumb for a new house with good insulation is 1.25 watts per cu. ft. or 4.25 Btu …
[DOC File]USEFUL CONVERSION FACTORS
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Btu/h W 0.2931 . Velocity, speed . ft/s m/s **0.3048 ... ft/s m/s **0.3048. Temperature. Degrees F (°F) Degrees C (°C) °C=(°F-32)/1.8. Degrees C (°C) Degrees F (°F) °F = (1.8 x °C)+32. Power horsepower (hp) watt (W) 745.6999 * 4 significant digits **denotes exact conversion. Title: USEFUL CONVERSION FACTORS Author: Daniel J. Cipolla ...
[DOC File]APES Energy Problems - Quia
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1 BTU = the amount of energy needed to raise the temperature of 1 . pound of water by 1o F. 1 kWh = 3400 BTUs. a. Calculate the total energy (in BTU’s) used both to heat the water and run the electric dishwasher to wash a load of dishes. 140 -50 = 90 oF 0.500 kWh (3400 BTUs/kWh)= 1700 BTUs
[DOCX File]Energy Efficient Steam Systems
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Mwater = Q / (cp x dt) = 1,000,000 Btu/hr / (1 Btu/lb-F x 100 F) = 10,000 lb/hr. If the temperature of hot air dropped by 100 F as it passed through a heat exchanger, the mass flow rate of air to transfer the same amount of heat with the same temperature difference would be about 34 times as much as steam:
[DOC File]New Jersey Clean Energy Collaborative
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∆T = design temperature difference. HCfuel = Conversion from Btu to therms of gas or gallons of oil or propane (100,000 btu/therm; 138,700 btu/gal of #2 oil; 92,000 btu/gal of propane) EFFQ = Efficiency of qualifying heater(s) (AFUE %) EFFB = Efficiency of baseline heaters (AFUE %)
[DOCX File]Problem set 7: 5
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3) Ocean temperature energy conversion (OTEC) power plants generate power by utilizing the naturally occurring decrease with depth of the temperature of ocean water. Near Florida, the ocean surface temperature is 300 K, while at a depth of 700 m the temperature is 280 K.(a) Determine the maximum thermal efficiency for any power cycle operating between these temperatures.
[DOCX File]KINETIC AND POTENTIAL ENERGY WORKSHEET
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Defined as the amount of energy required to increase the temperature of one pound of water by one degree Fahrenheit. This is equivalent to 1055 Joules. In the United States, the ability of furnaces to warm the air by adding energy and the ability of air conditioners to extract energy from air is expressed in BTUs.
[DOC File]Activity 2.2.3 Heat Loss and Gain
https://info.5y1.org/btu-to-temperature-conversion_1_34dcc3.html
Alternatively, you may use a design temperature that reflects local climate or local weather experience as determined by the building official. The International Residential Code requirements/rule of thumb for a new house with good insulation is 1.25 watts per cu. ft. or 4.25 Btu per cu. ft. Important conversion information: Watts x 3.21 = Btu/hr
[DOCX File]Activity 2.2.3 Heat Loss and Gain - HPHS ENGINEERING
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In the inch-pound (I-P) system, the U-factor is the number of Btus (British Thermal Units) of energy passing through a square foot of the material in an hour for every degree Fahrenheit difference in temperature across the material (Btu/ft2hr°F or BtuH).
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