CN111140350A - System and method for testing capture rate and scavenging efficiency of two-stroke engine - Google Patents
System and method for testing capture rate and scavenging efficiency of two-stroke engine Download PDFInfo
- Publication number
- CN111140350A CN111140350A CN201911285666.5A CN201911285666A CN111140350A CN 111140350 A CN111140350 A CN 111140350A CN 201911285666 A CN201911285666 A CN 201911285666A CN 111140350 A CN111140350 A CN 111140350A
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- China
- Prior art keywords
- stroke engine
- tracer gas
- scavenging efficiency
- cylinder
- testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002000 scavenging effect Effects 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 12
- 239000000700 radioactive tracer Substances 0.000 claims abstract description 50
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 34
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000010998 test method Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 49
- 238000005070 sampling Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/081—Safety, indicating, or supervising devices relating to endless members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/084—Safety, indicating, or supervising devices indicating economy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911285666.5A CN111140350A (en) | 2019-12-13 | 2019-12-13 | System and method for testing capture rate and scavenging efficiency of two-stroke engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911285666.5A CN111140350A (en) | 2019-12-13 | 2019-12-13 | System and method for testing capture rate and scavenging efficiency of two-stroke engine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111140350A true CN111140350A (en) | 2020-05-12 |
Family
ID=70518372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911285666.5A Pending CN111140350A (en) | 2019-12-13 | 2019-12-13 | System and method for testing capture rate and scavenging efficiency of two-stroke engine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111140350A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2714473A1 (en) * | 1993-12-29 | 1995-06-30 | Inst Francais Du Petrole | Determining the fraction of air used in an internal combustion engine |
JP2000028492A (en) * | 1998-07-10 | 2000-01-28 | Horiba Ltd | Method for evaluating engine with using trace gas method |
CN103975149A (en) * | 2011-11-14 | 2014-08-06 | 雷诺股份公司 | System and method for estimating the richness of the gaseous mixture in the combustion chamber of an internal combustion engine of a motor vehicle power plant |
CN104481768A (en) * | 2014-10-14 | 2015-04-01 | 江苏大学 | Tracer agent spraying system applied for visual engine test |
CN108798917A (en) * | 2017-04-28 | 2018-11-13 | 长城汽车股份有限公司 | A kind of engine blow-through air control method and device |
-
2019
- 2019-12-13 CN CN201911285666.5A patent/CN111140350A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2714473A1 (en) * | 1993-12-29 | 1995-06-30 | Inst Francais Du Petrole | Determining the fraction of air used in an internal combustion engine |
JP2000028492A (en) * | 1998-07-10 | 2000-01-28 | Horiba Ltd | Method for evaluating engine with using trace gas method |
CN103975149A (en) * | 2011-11-14 | 2014-08-06 | 雷诺股份公司 | System and method for estimating the richness of the gaseous mixture in the combustion chamber of an internal combustion engine of a motor vehicle power plant |
CN104481768A (en) * | 2014-10-14 | 2015-04-01 | 江苏大学 | Tracer agent spraying system applied for visual engine test |
CN108798917A (en) * | 2017-04-28 | 2018-11-13 | 长城汽车股份有限公司 | A kind of engine blow-through air control method and device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Qin Jing Inventor after: Ye Ziwang Inventor after: Xu Jie Inventor after: Pei Yiqiang Inventor after: Wang Chenxi Inventor after: Dong Mengmeng Inventor after: Peng Zhong Inventor after: Zhang Qirui Inventor before: Pei Yiqiang Inventor before: Ye Ziwang Inventor before: Xu Jie Inventor before: Qin Jing Inventor before: Wang Chenxi Inventor before: Dong Mengmeng Inventor before: Peng Zhong Inventor before: Zhang Qirui |
|
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200512 |