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The turbocharger of an internal combustion engine consists of a turbine, and a compressor. Hot exhaust gases flow through the turbine to produce work and the work output from the turbine is used as the work input to the compressor. The pressure of ambient air is increased as it flows through the compressor before it enters the engine cylinders. Thus, the purpose of a turbocharger is to increase the pressure of the air so that more air gets into the cylinders. Consequently, more fuel can be burned and more power can be produced by the engine. In a turbocharger, exhaust gases enter the turbine at 400 degrees C and 120kPa at a rate 0.02 kg/s and leaves at 350 degrees C. Air enters the compressor at 50 degrees C and 100kPa and leaves at 130kPa at a rate of 0.018 kg/s. The compressor increases the air pressure with a side effect: It also increases the air temperature, which increases the gasoline engine to experience and engine knock. To avoid this, an aftercooler is placed after the compressor to cool the warm air by cold ambient air before it enters the engine cylinders. It is estimated the aftercooler must decrease the air temperature below 80 degrees C if knock is to be avoided. The cold ambient air enters the aftercooler at 30 degrees C and leaves at 40 degrees C. The constant pressure specific heats of exhaust gases, warm air, and cold ambient air are taken to Cp= 1.063, 1.008, and 1.005 kJ/kg*K, respectively. Determine (a) the temperature of the air at the compressor outlet and (b) the minimum volume flow rate of ambient air required to avoid knock.
A satellite is in Earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km. a. What is the semi-major axis of the orbit? b. What is the eccentricity? c. If the true anomaly is 160 degrees, what is the satellite's ..
the l1m long vertical copper tube of inner diameter di20mm and wall thickness t2mm contains liquid water at twater0
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consider x norm57 y norm57 and z norm19 and assume xy and z are independent.1 find and sketch the probability
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Niobium forms a substitutional solid solution with vanadium. Compute the weight percent of niobium that must be added to vanadium to yield an alloy that contains 1.55 x 1022 Nb atoms per cubic centimeter. The densities of pure Nb and V are 8.57 an..
a 50.0 g object moves on the end of a spring with spring constant k 25.0 nm. it is released with an initial
is there any difference between the stresses measured at the top of the beam and at the same location on the bottom of the beam?
consider a circular grill whose diameter is 0.6m. the bottom of the grill is covered with hot coals at 1000k. a wire
how can i relate hydraulic analysis of a pipeline using HYSYS software and pipeline convertion process? Where can the data be obtained on this topic?
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