An innovative 3D-CFD-Approach towards Virtual Development of by Marco Chiodi

By Marco Chiodi

Within the engine improvement strategy, simulation and predictive courses have continually received in reliance. because of the complexity of destiny inner combustion engines the functions of simulations courses in the direction of a competent "virtual engine improvement" is a necessity that represents one of many maximum demanding situations. Marco Chiodi offers an cutting edge 3D-CFD-tool, completely devoted and optimized for the simulation of inner combustion engines. because of enhanced or newly constructed 3D-CFD-models for the outline of engine methods, this device guarantees a good and trustworthy calculation additionally through the use of path 3D-CFD-meshes. in accordance with this technique the CPU-time might be decreased as much as an element a hundred compared to conventional 3D-CFD simulations. moreover an built-in and automated "evaluation device" establishes a entire research of the proper engine parameters. as a result of potential of a competent "virtual improvement" of full-engines, this quickly reaction 3D-CFD-tool makes a massive contribution to the engine improvement strategy.

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Extra resources for An innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines

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E. only with “courageous” development strategies the full potentiality of the internal combustion engines can be better exploited. e. a natural aspirated gasoline engine with large displacement and port injection is definitely an obsolescent concept that will be pursued no longer. In the last years a drastic change of design strategies has already started. Under these conditions engine manufacturers are ready to make decisions and introduce solutions that just few years ago would have “shocked” the market.

Any occurring phenomena (engine process) independently from its complexity can be numerically isolated and investigated, the geometry and motion of each part involved in the simulation is finely reproduced and can be easily varied for testing different designs with a high level of predictability. 4. e. a more detailed analysis here often means not necessarily a more correct one. 5) is the required CPU-time that very often does not match the tight timetables in engine development. CPU-Time, s 3 hrs.

1 General Improvement of actual Solutions Surely, future development strategies will require the introduction of innovative solutions; nevertheless a general improvement of actual solutions in combination with the innovative ones will increase the contribution to efficiency enhancement. Among others, friction reduction, adaptive valve timing devices up to a full VVT-engine and improvements of fuel injection systems, combustion process, engine mapping, thermo-management, start-stop strategies, etc.

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