Class information for:
Level 2: DIESEL ENGINE//EMISSIONS//EXHAUST EMISSIONS

Basic class information
Bar chart of Publication_year

Last years might be incomplete

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
515 1                   DIESEL ENGINE//BIODIESEL//ENGINE PERFORMANCE 3380
3775 1                   DUAL FUEL ENGINE//DUAL FUEL//SPARK IGNITION ENGINE 1947
4569 1                   DRIVING CYCLE//VEHICLE EMISSIONS//TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT 1791
5635 1                   DIESEL SPRAY//ATOMIZATION AND SPRAYS//CMT MOTO TERM 1627
6642 1                   ENGINE CONTROL//CMT MOTO TERM//TURBOCHARGER 1489
7666 1                   HCCI//HOMOGENEOUS CHARGE COMPRESSION IGNITION//HOMOGENEOUS CHARGE COMPRESSION IGNITION HCCI 1366
15788 1                   AEROSOL PHYS//DIESEL//DIESEL AEROSOL 718
16287 1                   ETHANOL GASOLINE BLENDS//SPARK IGNITION ENGINE//EXHAUST EMISSIONS 690
19852 1                   TUMBLE//IN CYLINDER FLOW//CYCLE TO CYCLE VARIATIONS 509
23528 1                   DIESEL ENGINE PISTON//GARDON GAUGE//THERMAL PRODUCT 366
29469 1                   FREE PISTON ENGINE//LINEAR ENGINE//FREE PISTON 203
31751 1                   HYDROCARBON EMISSIONS//CREVICE VOLUME//TOP LAND CREVICE 161
32613 1                   ENGINE THERMAL MANAGEMENT//UNDERHOOD//AEROTHERMAL MANAGEMENT 149

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIESEL ENGINE authKW 1753433 9% 64% 1257
2 EMISSIONS authKW 827943 11% 25% 1521
3 EXHAUST EMISSIONS authKW 592143 3% 73% 372
4 INTERNATIONAL JOURNAL OF ENGINE RESEARCH journal 556911 2% 71% 359
5 ENGINE PERFORMANCE authKW 544489 2% 75% 334
6 SPARK IGNITION ENGINE authKW 506182 2% 77% 302
7 HCCI authKW 437109 2% 83% 242
8 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING journal 431633 5% 29% 680
9 CMT MOTO TERM address 428396 2% 70% 281
10 INTERNAL COMBUSTION ENGINE authKW 352382 3% 44% 365

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 224767 41% 2% 5862
2 Transportation Science & Technology 175698 14% 4% 2027
3 Engineering, Mechanical 124842 30% 1% 4371
4 Thermodynamics 84863 20% 1% 2878
5 Engineering, Chemical 45239 24% 1% 3482
6 Mechanics 9934 10% 0% 1443
7 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 9527 4% 1% 519
8 Engineering, General 8753 6% 1% 926
9 Environmental Sciences 8718 14% 0% 1951
10 Meteorology & Atmospheric Sciences 5960 6% 0% 916

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CMT MOTO TERM 428396 2% 70% 281
2 INTERNAL COMBUST ENGINES 335682 1% 73% 211
3 ENGINE 310628 2% 55% 259
4 STATE ENGINES 155929 2% 31% 231
5 MECH ENGN 123262 29% 1% 4205
6 IST MOTORI 79885 1% 36% 103
7 POWER MACHINERY ENGN 79171 1% 30% 120
8 CMT MOTO TERMICOS 68525 0% 73% 43
9 INTERNAL COMBUST ENGN 64825 0% 87% 34
10 AUTOMOT ENGN 54038 2% 9% 267

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF ENGINE RESEARCH 556911 2% 71% 359
2 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING 431633 5% 29% 680
3 FUEL 164188 8% 7% 1087
4 ATOMIZATION AND SPRAYS 138377 2% 25% 254
5 INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY 110912 2% 19% 266
6 JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME 101686 3% 10% 458
7 TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT 60797 1% 14% 200
8 ENERGY CONVERSION AND MANAGEMENT 60151 4% 5% 521
9 APPLIED ENERGY 49397 3% 5% 477
10 ENERGY 34684 3% 4% 438

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DIESEL ENGINE 1753433 9% 64% 1257 Search DIESEL+ENGINE Search DIESEL+ENGINE
2 EMISSIONS 827943 11% 25% 1521 Search EMISSIONS Search EMISSIONS
3 EXHAUST EMISSIONS 592143 3% 73% 372 Search EXHAUST+EMISSIONS Search EXHAUST+EMISSIONS
4 ENGINE PERFORMANCE 544489 2% 75% 334 Search ENGINE+PERFORMANCE Search ENGINE+PERFORMANCE
5 SPARK IGNITION ENGINE 506182 2% 77% 302 Search SPARK+IGNITION+ENGINE Search SPARK+IGNITION+ENGINE
6 HCCI 437109 2% 83% 242 Search HCCI Search HCCI
7 INTERNAL COMBUSTION ENGINE 352382 3% 44% 365 Search INTERNAL+COMBUSTION+ENGINE Search INTERNAL+COMBUSTION+ENGINE
8 BIODIESEL 349163 8% 14% 1153 Search BIODIESEL Search BIODIESEL
9 SI ENGINE 303733 1% 81% 172 Search SI+ENGINE Search SI+ENGINE
10 DUAL FUEL 292502 1% 90% 149 Search DUAL+FUEL Search DUAL+FUEL

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 2


rank cluster_id2 link
1 2163 ATOMIZATION AND SPRAYS//DROPLET COMBUSTION//ATOMIZATION
2 1113 BIODIESEL//TRANSESTERIFICATION//JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
3 372 COMBUSTION AND FLAME//PROCEEDINGS OF THE COMBUSTION INSTITUTE//COMBUSTION SCIENCE AND TECHNOLOGY
4 3802 ENERGY EDUCATION SCIENCE AND TECHNOLOGY PART A-ENERGY SCIENCE AND RESEARCH//ENERGY EDUCATION SCIENCE AND TECHNOLOGY PART B-SOCIAL AND EDUCATIONAL STUDIES//GEN DIRECTORATE SPORTS
5 2482 HYBRID ELECTRIC VEHICLE//HYBRID VEHICLES//ENERGY MANAGEMENT STRATEGY
6 912 SELECTIVE CATALYTIC REDUCTION//SCR//NH3 SCR
7 2640 FINITE TIME THERMODYNAMICS//STIRLING ENGINE//THERMOACOUSTICS
8 3479 BIOLUBRICANT//ESTOLIDES//IN SITU EPOXIDATION
9 1750 ENVIRONMENTAL KUZNETS CURVE//ENERGY ECONOMICS//ENERGY POLICY
10 1575 ISOPRENE//BIOGENIC EMISSIONS//VOLATILE ORGANIC COMPOUNDS

Go to start page