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TECHNICAL PAPERS: Manifold Gas Dynamics and Turbocharging

Manifold Gas Dynamics Modeling and Its Coupling With Single-Cylinder Engine Models Using Simulink

[+] Author and Article Information
G. Q. Zhang, D. N. Assanis

Department of Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, MI 48109-2121

J. Eng. Gas Turbines Power 125(2), 563-571 (Apr 29, 2003) (9 pages) doi:10.1115/1.1560708 History: Received April 01, 1999; Revised November 01, 2002; Online April 29, 2003
Copyright © 2003 by ASME
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References

Figures

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Cell center and cell faces
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Typical one-dimensional gas dynamic problems with different boundary conditions
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The gradual discharge problem: (a) valve area diagram, (b) pressure at open end, and (c) pressure at closed end
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The sudden discharge problem (a) open end pressure, and (b) closed end pressure
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Simulation of exhaust process from a cylinder with valve opening and closing to a pipe with end nozzle: (a) valve area variation, (b) cylinder pressure variation, (c) predicted pressure diagram in pipe’s nozzle end, and (d) predicted pressure diagram in pipe’s cylinder end
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Block diagram of gas dynamic models of the intake and exhaust manifolds coupled with a single-cylinder engine simulation in SIMULINK
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Comparison of predictions and measurements for a single-cylinder spark-ignition engine: (a) BMEP for a range of speeds, (b) cylinder pressure, (c) intake port pressure, and (d) exhaust port pressure at a speed of 5000 rpm
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Experimental setup with variable length intake runner for validation of manifold gas dynamics models coupled with single-cylinder direct injection diesel engine model
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Effect of runner length and engine speed on manifold gas dynamics
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The gas dynamics effect of intake runner length on the volumetric efficiency of a representative high-speed direct-injection diesel engine

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