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Helmholtz Tuned Induction System for Turbocharged Diesel Engine
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English
Abstract
A tuned intake induction system using a Helmholtz resonator was applied to an in-line six cylinder, four cycle heavy duty diesel engine. The system adopted was designed to maximize the engine breathing performance at the peak torque engine speed. Significant advantages noted were improvements in volumentric efficiency by 12 percent, improved cylinder-to-cylinder air distribution and faster turbocharger response. The increased trapped air-fuel ratio also results in improved combustion efficiency and reduction of smoke emissions. Additional improvements appeared feasible by compressor redesign and optimization of valve timing. The primary disadvantage was the space claim the system required; however, compact designs can be achieved without great difficulty.
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Citation
Brands, M., "Helmholtz Tuned Induction System for Turbocharged Diesel Engine," SAE Technical Paper 790069, 1979, https://doi.org/10.4271/790069.Also In
References
- Groenewold G. M. Welliver D. R. Kamo R. “Performance and Sociability of Comprex Supercharged Diesel Engine,” ASME Paper No. 77-DGP-4
- Ruthmansdorfer D. A. “Final Performance of the LCR/FLX Hyperbar Engine,” Cummins Internal Report No. 0746-77012
- Cser G. “Some Results of Combined Charging Application,” Conference on Turbocharging and Turbochargers Mechanical Engineering Publications Limited Institute of Mechanical Engineers 1978
- “Live-Gas Conduit System for Turbocharged Six-Cylinder Engines,” December 27 1977