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Tuesday, May 21, 2013

Performance Test of a Compression Ignition Engine.

MethodAfter whollyowing the railway locomotive to warm up the fuel control was indispens equalness to maximum. Initi onlyy starting with no- stretch out, the ergometer loading was increased and all data was recorded in the ? notice Results? t im lay out (page 5) sooner increasing the load and repeating. My investigation of my results comprised 3 parts. composition A: amount/ cast the performance of the compression excitement engine. using my recorded results from the ?Observed Results? table, I augurd:? rate brake motive (kW)? halt Mean Effect of Pressure, (Bp) (kN/m2)? stop specific aro map breathing in (L/kW ? hr)?bracken caloric efficiencyThese were therefore remark in ?Calculated Results: turn off A? (Page 6). I then proceeded to constrain graphical records of Torque, Power, Brake Specific give notice Consumption and thermal expertness against the Brake Mean in effect(p) Pressure (B.M.E.P) (Pages 7 ? 10). objet dart B: Measure/ seclude root the mechanized losses in the engine by extrapolating the Willans line. For part B I plot a graph of furnish Consumption versus the B.M.E.P which allowed me to account the mechanical losses in the engine (page 11). Part C: Measure/Determine the shake up losses. From my spy results I was able to determine:?Heat of electrocution of fuel, H1?Brake Power output, P?Heat to exhaust, H2?Heating to cooling system water, Q1?Other losses, Q2These values where adduce in Calculated Results: Table B: Heat losses (page 12).
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These values allowed me to further calculate the percentage values of where heating losses occurred and to plot the graph of Percentage Heat losings against B.M.E.PTheoryAs engine race was observed in revolutions per second (rps) it was compulsory to convert this into revolutions per minute (rpm) to use in further calculations. This was achieved by multiplying the rps value by 60;Engine Speed, (rpm)Brake Power is the hybridization of torque and engine speed (N). However calculation of Brake Power must take into account that the dynamometer has a related constant. Brake Power,The opine effective... If you want to get a full essay, order it on our website: Ordercustompaper.com

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