書誌事項
- タイトル別名
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- A Two-Dimensional Computer Simulation of a Low Pressure Direct Injection Stratified Charge Rotary Engine. Cycle-to-Cycle Variation of Air-Fuel Mixture Distribution.
- テイアツ チョクフン セイソウ ロータリ エンジン ノ 2ジゲン スウチ シミ
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This numerical study focuses on optimization of the rotor geometry and influences of flow variation on the fuel distribution inside an LDISC (Low Pressure Direct Injection Stratified Charge)rotary engine system consisting of all three combustion chambers and both intake and exhaust port. A Chakraverthy third-order scheme devised in the numerical code has successfully solved the Compressible Navier-Stokes equations with binary diffusion between air and propane. Keeping the engine speed at 3000 rpm and without throttling, five cycles for one rotor geometry and one for another are calculated. The results show that one rotor geometry is quite favorable for stratification while the other is not, hence the choice of rotor shape is found to play a significant role in forming stratification. Although it is also observed that cycle-to-cycle variation of the flow fields often works against stratification, the paper concludes that an application of the LDISC to a rotary engine may extends it lean-limit dramatically.
収録刊行物
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- 日本機械学会論文集B編
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日本機械学会論文集B編 60 (579), 3900-3907, 1994
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282680872257664
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- NII論文ID
- 130004221420
- 110002394073
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 3900520
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可