JP2018131909A - インジェクタ縮流評価方法 - Google Patents
インジェクタ縮流評価方法 Download PDFInfo
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- JP2018131909A JP2018131909A JP2017024042A JP2017024042A JP2018131909A JP 2018131909 A JP2018131909 A JP 2018131909A JP 2017024042 A JP2017024042 A JP 2017024042A JP 2017024042 A JP2017024042 A JP 2017024042A JP 2018131909 A JP2018131909 A JP 2018131909A
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- 238000000034 method Methods 0.000 title abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 52
- 238000009826 distribution Methods 0.000 claims abstract description 29
- 230000005484 gravity Effects 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 239000000446 fuel Substances 0.000 claims abstract description 7
- 230000008602 contraction Effects 0.000 claims description 18
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 abstract description 11
- 239000007924 injection Substances 0.000 abstract description 11
- 239000000243 solution Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 7
- 238000005507 spraying Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001499 laser induced fluorescence spectroscopy Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
Description
以下、図面を参照して本発明の実施の形態について説明する。図1は、本実施の形態にかかるインジェクタ縮流評価方法の行程を示すフローチャートである。まず、図1を用いて各工程の概略を説明し、その後、各工程の詳細について説明する。
53 形状中心
54 密度重心
81、91 流速重心
Claims (1)
- インジェクタにより燃料を噴出した噴霧について、前記噴霧の流体断面における流速分布を計測し、
前記流速分布の重心を算出し、
所定の時間経過における前記重心の移動距離から縮流の程度を決定するインジェクタ縮流評価方法。
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JP2017024042A JP6699582B2 (ja) | 2017-02-13 | 2017-02-13 | インジェクタ縮流評価方法 |
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JP2017024042A JP6699582B2 (ja) | 2017-02-13 | 2017-02-13 | インジェクタ縮流評価方法 |
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JP2018131909A true JP2018131909A (ja) | 2018-08-23 |
JP6699582B2 JP6699582B2 (ja) | 2020-05-27 |
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JP2017024042A Expired - Fee Related JP6699582B2 (ja) | 2017-02-13 | 2017-02-13 | インジェクタ縮流評価方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010090849A (ja) * | 2008-10-10 | 2010-04-22 | Hitachi Automotive Systems Ltd | 内燃機関とその吸気装置 |
JP2012251548A (ja) * | 2011-05-12 | 2012-12-20 | Toyota Motor Corp | 内燃機関の燃料噴射装置 |
JP2015161216A (ja) * | 2014-02-27 | 2015-09-07 | 株式会社デンソー | 内燃機関の気流制御装置 |
JP2015209772A (ja) * | 2014-04-24 | 2015-11-24 | 三菱電機株式会社 | 流体噴射弁およびこれを備えた噴霧生成装置並びにエンジン |
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2017
- 2017-02-13 JP JP2017024042A patent/JP6699582B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010090849A (ja) * | 2008-10-10 | 2010-04-22 | Hitachi Automotive Systems Ltd | 内燃機関とその吸気装置 |
JP2012251548A (ja) * | 2011-05-12 | 2012-12-20 | Toyota Motor Corp | 内燃機関の燃料噴射装置 |
JP2015161216A (ja) * | 2014-02-27 | 2015-09-07 | 株式会社デンソー | 内燃機関の気流制御装置 |
JP2015209772A (ja) * | 2014-04-24 | 2015-11-24 | 三菱電機株式会社 | 流体噴射弁およびこれを備えた噴霧生成装置並びにエンジン |
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