Afour-cylinder, four-stroke internal combustion engine operates at 2800 rpm. the processes within each cylinder are modeled on cold air-standard otto cycle with a pressure of 14.7 lbf/in.2 , a temperature of 80of, and a volume of 0.0196 ft3 at the beginning of compression. the compression ratio is 10, and maximum pressure in the cycle is 1080 lbf/in.2 determine, using a cold air-standard analysis, the power developed by the engine, in horsepower, and the mean effective pressure, in lbf/in.2

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k