ME 515 Design Project
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Transcript of ME 515 Design Project
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ME 515 Design Project
Presented by
Siddhesh Sawant
![Page 2: ME 515 Design Project](https://reader035.fdocuments.us/reader035/viewer/2022062821/589d10c41a28ab61128b4ae7/html5/thumbnails/2.jpg)
Data assumptions 2003 Ford Focus engine
4 stroke 4 cylinder inline engine B/S = 0.9639 l/r = 4 Displacement volume Vd = 0.7854 * B sq. * S * N Vd = 1990 cc ~ 2 liters MEP = 4 * pi * T/Vd MEP = 1089.37 kpa HPmax = 128.05 hp @ 5500 rpm Tmax = 127.6 lb-ft @ 5000 rpm
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Engine Analysis
![Page 4: ME 515 Design Project](https://reader035.fdocuments.us/reader035/viewer/2022062821/589d10c41a28ab61128b4ae7/html5/thumbnails/4.jpg)
CAD sketches
(1) (2)
(3)
1. Piston2. Connecting rod3. Crankshaft
![Page 5: ME 515 Design Project](https://reader035.fdocuments.us/reader035/viewer/2022062821/589d10c41a28ab61128b4ae7/html5/thumbnails/5.jpg)
CAD sketches
1. Even firing with 0-180-180-0 mirror symmetric configuration
2. Primary forces and moments balanced due to mirror symmetry
Inline/ 4 stroke/ 4 cylinder/ 0-180-180-0
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Graphical Analysis
Plot for gas force and gas torque
Gas pressure
Pg = 1123 psi
Gas Force
Fg = (pi/4) * Pg * B sq.
![Page 7: ME 515 Design Project](https://reader035.fdocuments.us/reader035/viewer/2022062821/589d10c41a28ab61128b4ae7/html5/thumbnails/7.jpg)
Work to do
Calculate Inertia TorquePlot Torque Variation for this engineCalculate Secondary Force and MomentHarmonic BalancingAlternate firing orders for good power stroke sequence