Relation between High Pressure and Leakage from Sliding Portion on Diesel Fuel Injection System
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- Matsumoto Shuichi
- (株)デンソー
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- Matsui Yoshihiko
- (株)デンソー
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- Nishijima Yoshiaki
- (株)デンソー
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- Enomoto Hiroshi
- 金沢大学
Bibliographic Information
- Other Title
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- ディーゼルエンジン用噴射システムにおける 高圧化による変形と摺動部リークの関係
- ディーゼルエンジンヨウ フンシャ システム ニ オケル コウアツカ ニ ヨル ヘンケイ ト シュウドウブ リーク ノ カンケイ
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Abstract
Increased pressure, which has been strongly desired for diesel fuel injection equipment, has many technological challenges. One of the biggest ones is the increase in temperature caused by leakage fuel. The investigation of constant leakage from sliding portions inside injectors reveals that the deformed structure due to the increased pressure substantially affects leakage quantity. It also indicates that the leakage quantity which is in proportion to pressure by the base equation, is not, and takes higher degree than 1. Based on the results, the estimated leakage quantity has approximately threefold increase when pressure increases from 200 MPa to 300 MPa.
Journal
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- Transactions of Society of Automotive Engineers of Japan
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Transactions of Society of Automotive Engineers of Japan 46 (6), 1019-1024, 2015
Society of Automotive Engineers of Japan
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Details 詳細情報について
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- CRID
- 1390282679590330368
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- NII Article ID
- 40020675505
- 130006319679
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- NII Book ID
- AN00105913
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- ISSN
- 18830811
- 02878321
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- NDL BIB ID
- 026978851
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed