Topic :AUTOMOTIVE CONTROL plot at the stated g values. Describe your Use MATLAB

Question

Topic :AUTOMOTIVE CONTROL plot at the stated g values. Describe your Use MATLAB to plot the graphs. observations. 3. Assume that the pressure-crank angle relationship of an SI engine for the hot combustion cycle (for cylinder 1) is given by the following equation: P(aa) Prave 10 for a between -t to t for 1st cylinder CS 0 for cs K-t and cs 2m for 1st cylinder C is a constant. Assume that the engine has 5 cylinders (in-line) with piston strokes having a phase shift given by equation (3.9) in the textbook with phase shift being 0 for cylinder 1. It is a four-stroke engine with one combustion cycle and one gas exchange cycle. Derive the expression for combustion torque of the engine in terms of crank angle. (Note: Be sure to account for the phase shifts between the displacements of the cylinders). 4. Consider problem 3 above. Assume the following: C is 1.5 and P is 2.2 MPa (2.2x100 max N/m2). It is a four-stroke engine with one combustion cycle and one gas exchange cycle. Assume that gas exchange cycle average pressure, Po 101 KPa, crankshaft radius, cm, connecting rod length, 1 12 cm, and piston area, Ap 14 cm Plot the combustion torque from the above question against crank angle between -w to and approximately compute the average combustion torque by estimating the area the T a s curve

Explanation / Answer

The answer of questions is as follows .

The expression for the torque for the given IC engine is

T = (2 × 3.14 × s × d^2)/(Pm La N)

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