Btu hr to kw conversion
[DOC File]California State University, Northridge
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1 Btu = 778.169 ft-lbf = 1.055056 kJ. In addition to the usual SI unit of watts for power, the engineering system of units sometimes uses the unit of horsepower (hp). The unit conversion factors for energy are: 1 hp = 550 ft•lbf / s = 2544.433 Btu / hr = 0.7456999 kW 1 kW = 3412.14 Btu / hr. Problem solving
[DOCX File]Thermodynamics
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For a particular engine using gasoline fuel (–ΔH = 42 MJ/kg) the specific fuel consumption is measured to be 248 g/kW*hr. Calculate the net thermal efficiency for this engine. For the same engine, as measured in English units, the values were: –ΔH =1.81 *104 Btu/lbm, and sfc=0.408 lbm/hp*hr. Calculate the net thermal efficiency for this ...
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(Btu/ton) Coal (Anthracite & Bituminous) 25,000,000. Peat 3,500,000. Gasoline 38,000,000. Natural gas 47,000,000. Crude Oil 37,000,000. Conversion Chart for Energy Units. One Btu = .252 kilocalorie. One Btu = .000293 kilowatt-hour. One kilocalorie = 3.97 Btu. One kilocalorie = .0012 kilowatt-hour. One kilowattt-hour = 3,413 Btu. One kilowatt-hour = 860 kilocalories
[DOCX File]Energy-Efficient Heating, Ventilating and Air Conditioning
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Qf = Qh / Effh = 416,700 Btu/h / 0.80 = 520,875 Btu/hr Calculating Annual Fuel Use with the Degree-Day Method A useful method for calculating annual heating and …
[DOC File]CHE 425
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(Ref. 2) In a single-pass counterflow heat exchanger, 10,000 lb/hr of water enters at 60oF and cools 20,000 lb/hr of oil having a specific heat of 0.50 Btu/lb(oF from 200oF to 150oF. If the overall heat transfer coefficient is 50 Btu/hr(ft2(oF, determine the surface area required. Ans: 111 ft2 5..
[DOC File]This is a quick-reference list of conversion factors used ...
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1.0 kilowatt (kW) = 3413 Btu/hr = 1.341 horsepower 1.0 kilowatt-hour (kWh) = 3.6 MJ = 3413 Btu 1.0 horsepower (hp) = 550 foot-pounds per second = 2545 Btu per hour = 745.7 watts = 0.746 kW
[DOC File]ENERGY CALCULATIONS
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Given: 3400 BTU’s are equivalent to 1.0 kW-hr of energy. a. How many kW-hr of electrical energy are produced by the plant each day? 3. Use the following conversion factors to answer the questions: In 2008, the average American home used about 11,000 kWh of electricity. a. Suppose the electricity in your region was supplied by the burning of ...
[DOC File]College of Engineering and Computer Science | California ...
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1 Btu = 778.169 ft-lbf = 1.055065 kJ. In addition to the usual SI unit of watts for power, the engineering system of units sometimes uses the unit of horsepower (hp). The unit conversion factors for energy are: 1 hp = 550 ft-lbf / s = 2544.433 Btu / hr = 0.7456999 kW 1 kW = 3412.14 Btu / hr
[DOC File]California State University, Northridge
https://info.5y1.org/btu-hr-to-kw-conversion_1_149e32.html
1 Btu = 778.169 ft-lbf = 1.055056 kJ. In addition to the usual SI unit of watts for power, the engineering system of units sometimes uses the unit of horsepower (hp). The unit conversion factors for power are: 1 hp = 550 ft•lbf / s = 2544.433 Btu / hr = 0.7456999 kW 1 kW = 3412.14 Btu / hr. Temperature Units
[DOCX File]AR x:
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Qcsav = 648,960 Btu/hr x 1 ton / 12,000 Btu/hr x 1 kW/ton = 54.08 kW From energy balances on the fluid streams, the exit temperatures from the new heat exchanger are: T2A = T1 + Qhx / mcph = 70 F + 648,960 Btu/hr / 9,984 Btu/hr-F = 135 F
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