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Developmental Work of High Speed 3.0 Liter Diesel Engine
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English
Abstract
In this paper the methods applied to the Mazda 3.0 liter diesel engine for truck to reduce the size, weight as well as sound level, while improving the durability and reliability, are presented.
The Mazda 3.0 liter diesel engine was developed as the smallest in size and weight among all normally aspirated diesel engines of 90 PS or 3.0 liter class by means of incorporating engine accessory layout change, engine structure modification and material change.
To meet Japan’s stringent future noise regulations, efforts for noise reduction were focussed on engine modification aimed at reducing combustion and mechanical noises at the sources rather on an enclosure approach.
With the cylinder head with a new bolt pattern, modified combustion chamber, cylinder block of higher rigidity, expansion-controlled piston, modified piston cooling system, and fully balanced crankshaft, it has been made possible to reduce the sound level by 3–4 dBA.
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Citation
Nakata, S., Yoshizu, K., and Hatamura, K., "Developmental Work of High Speed 3.0 Liter Diesel Engine," SAE Technical Paper 800962, 1980, https://doi.org/10.4271/800962.Also In
New Diesel Engines, Combustion, and Emissions Research in Japan
Number: SP-0468; Published: 1980-09-01
Number: SP-0468; Published: 1980-09-01
References
- “‘79 Data Book of Engines Produced in Japan.” Internal Combustion Engine 18 No. 226 1979–7
- Kawamura, H. “Noise of Small Diesel Engine,” Journal of the Society of Automotive Engineers of Japan 31 No. 9 1977
- Murayama, T. Kojima N. Satomi, Y. “A Simulation of Diesel Egnine Combustion Noise.” SAE Paper No. 760552 1976
- Rohrle, M.D. “Affecting Diesel Engine Noise by the Piston.” SAE Paper No. 750799 1975
- Nagayama I. Araki Y, Kakuta K, Usuba Y. “Engine Noise Reduction by Structural Study of Cylinder Block.” SAE Paper No. 800441 1980
- Itoh, H. “Reduction of Noise and Vibration on Honda Accord.” Journal of the Society of Automotive Engineers of Japan 32 No. 12 1978
- Priede, T. “The Problems of Noise of Engines in Different Vehicle Groups.” SAE Paper No. 750795 1975
- Grover E.G. Perry, R.D.H. “An Experimental Passenger Car Diesel Engine.” SAE Paper No. 790443 1979
- Anderton, D. Dixon, J. Chan C.M.P Andrews, S. “The Effect of Structure Design on High Speed Automotive Diesel Engine Noise.” SAE Paper No. 790444 1979
- Lalor, N. “Computer Optimized Design of Engine Structures for Low Noise.” SAE Paper No. 790364 1979
- Lalor N. Petyt, M. “Modes of Engine Structure Vibration as a Source of Noise.” SAE Paper No. 750833 1975
- Anderton, D. “Relation between Combustion System and Engine Noise.” SAE Paper No. 790270 1979