what is the average speed of the flame-front inside the cylinder, negating turbulence?
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what is the average speed of the flame-front inside the cylinder, negating turbulence?
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- What is the approximate temperature of a plasma stream?Why is the shielding gas valve "cracked" before the flow-meter regulator is attached?I need help on answering these from the following question below: 1. you need to calculate the mass flow rate of air inducted to the engine 2. from your answer, in the question above, you need to determine the ratios of heat release in the flue gas and cooling water against input power for the engine 3. you need to discuss how emissions can be minimised with regards to the engine The question: A diesel engine is a type of internal combustion engine that uses compression ignitio to turn energy in diesel fuel to rotary mechanical energy. A four-stroke (i = 0.5 for fourstroke engine, stroke = 150 mm and revolution = 2100 min−1) diesel engine with 6 cylinders and an effective specific fuel consumption of 0.23 kg kW−1h−1 has an effective and indicated mean pressure of 9.2 bar and 6.8 bar, respectively, and a compression ratio of 17. The ambient temperature and pressure of the diesel engine is 30 ℃ and 1.017 bar, respectively, and the temperature of the exhaust gas is 650 ℃. The clearance…
- I need the answer quicklyWhich of the following gasifiers has the Lowest thermal output? Entrained flow O Updraft Bubbling bed DowndraftQ6. Answer following questions by True or False 1. Injector that sprays into the intake system operate at the same pressure of the carburetor. 2. Swirl in the cylinder enhances the mixing of air and fuel to give a homogeneous mixture in the very short time. 3. Flame development region is consumed 80% of the air-fuel mixture. 4. Maximum temperature and pressure of flame propagation occurs somewhere between 20" and 30° aTDC for a four-stroke cycle. 5. Knock caused by self-ignition could occur in S1 engines as well as in CI engines. 6. Detonation is the minimum combustion time possible without actually having an instantaneous constant-volume reaction. 7. Combustion in a CI engine is a flame front moving through a homogeneous mixture. 8. Fuel injection time in CI engine is usually starting at about 15° bTDC and ending about 5° aTDC. 9. Exhaust blowdown occurs when the exhaust valve starts to open somewhere around 60° to 40° bTDC. 10. The average temperature in the exhaust system of a…
