Engineering, 18.02.2020 05:30 valdiviaricky1355
A 4.8-liter, spark-ignition, four-stroke cycle, V8 industrial engine operates 24 hours per day for five days at 2000 RPM using gasoline with A/F- 14.6. The engine has a volumetric efficiency of 92%, a brake fuel conversion efficiency of 30%, and a bore / stroke relationship as B- 1.06S. Assuming the intake temperature and pressure are 300K and 100 kPa, respectively, calculate: as B- pressure are 300K and 100 a. Stroke length (cm). b. Average piston speed (m/s). c. Number of times each spark plug has fired. d. Mass flow rate of air into engine. e. Mass flow rate of fuel into the engine f. Brake power of the engine g. Brake torque of the engine.
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Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 Β°c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
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A 4.8-liter, spark-ignition, four-stroke cycle, V8 industrial engine operates 24 hours per day for f...
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