Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 21 | 4 | THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL | 471779 |
| 341 | 3 | COMBUSTION AND FLAME//COMBUSTION SCIENCE AND TECHNOLOGY//DIESEL ENGINE | 37403 |
| 607 | 2 | DIESEL ENGINE//EMISSIONS//EXHAUST EMISSIONS | 14396 |
| 7666 | 1 | HCCI//HOMOGENEOUS CHARGE COMPRESSION IGNITION//HOMOGENEOUS CHARGE COMPRESSION IGNITION HCCI | 1366 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | HCCI | authKW | 3276699 | 15% | 70% | 204 |
| 2 | HOMOGENEOUS CHARGE COMPRESSION IGNITION | authKW | 1376001 | 6% | 69% | 86 |
| 3 | HOMOGENEOUS CHARGE COMPRESSION IGNITION HCCI | authKW | 996959 | 4% | 79% | 55 |
| 4 | LOW TEMPERATURE COMBUSTION | authKW | 698854 | 6% | 38% | 79 |
| 5 | INTERNATIONAL JOURNAL OF ENGINE RESEARCH | journal | 582017 | 8% | 22% | 113 |
| 6 | REACTIVITY CONTROLLED COMPRESSION IGNITION | authKW | 525570 | 2% | 84% | 27 |
| 7 | HCCI ENGINE | authKW | 515108 | 3% | 53% | 42 |
| 8 | HCCI COMBUSTION | authKW | 402675 | 2% | 73% | 24 |
| 9 | RCCI | authKW | 369115 | 2% | 67% | 24 |
| 10 | PCCI | authKW | 295298 | 1% | 80% | 16 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Energy & Fuels | 41780 | 57% | 0% | 773 |
| 2 | Transportation Science & Technology | 38993 | 21% | 1% | 293 |
| 3 | Thermodynamics | 26907 | 36% | 0% | 492 |
| 4 | Engineering, Mechanical | 25226 | 44% | 0% | 599 |
| 5 | Engineering, Chemical | 11469 | 39% | 0% | 526 |
| 6 | Engineering, General | 1274 | 8% | 0% | 107 |
| 7 | Mechanics | 752 | 9% | 0% | 124 |
| 8 | Engineering, Petroleum | 308 | 2% | 0% | 22 |
| 9 | Automation & Control Systems | 200 | 3% | 0% | 40 |
| 10 | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | 142 | 2% | 0% | 21 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | ENGINE | 232593 | 5% | 15% | 69 |
| 2 | STATE ENGINES | 207521 | 6% | 11% | 82 |
| 3 | WALTER E LAY AUTOMOT | 188399 | 1% | 58% | 14 |
| 4 | ADV POWERTRAIN FUELS | 140601 | 1% | 38% | 16 |
| 5 | POWER MACHINERY ENGN | 117598 | 3% | 11% | 45 |
| 6 | IC ENGINES COMBUST | 82392 | 0% | 71% | 5 |
| 7 | THERMODYNAM FLUID MECH AIRCRAFT PROP | 69212 | 0% | 100% | 3 |
| 8 | COMBUST ANAL | 62795 | 1% | 39% | 7 |
| 9 | COMBUST ENGINES | 60900 | 1% | 20% | 13 |
| 10 | STATE ENGINE COMBUST | 52730 | 0% | 57% | 4 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | INTERNATIONAL JOURNAL OF ENGINE RESEARCH | 582017 | 8% | 22% | 113 |
| 2 | PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING | 117030 | 8% | 5% | 109 |
| 3 | INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY | 35032 | 3% | 3% | 46 |
| 4 | JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 31206 | 6% | 2% | 78 |
| 5 | APPLIED ENERGY | 23587 | 7% | 1% | 101 |
| 6 | FUEL | 23305 | 9% | 1% | 126 |
| 7 | PROCEEDINGS OF THE COMBUSTION INSTITUTE | 19668 | 4% | 2% | 55 |
| 8 | ENERGY CONVERSION AND MANAGEMENT | 10850 | 5% | 1% | 68 |
| 9 | COMBUSTION SCIENCE AND TECHNOLOGY | 10009 | 3% | 1% | 43 |
| 10 | ENERGY & FUELS | 9866 | 5% | 1% | 74 |
Author Key Words |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
Classes with closest relation at Level 1 |