Class information for:
Level 1: DIESEL ENGINE//BIODIESEL//ENGINE PERFORMANCE

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

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIESEL ENGINE authKW 2425132 21% 36% 716
2 BIODIESEL authKW 1227562 31% 13% 1045
3 ENGINE PERFORMANCE authKW 1081535 7% 51% 228
4 EMISSIONS authKW 870562 22% 12% 755
5 EXHAUST EMISSIONS authKW 679327 6% 38% 193
6 ALTERNATIVE FUELS authKW 291686 4% 21% 149
7 INJECTION TIMING authKW 255100 2% 41% 67
8 STRAIGHT VEGETABLE OIL authKW 239716 1% 86% 30
9 COMBUSTION authKW 202402 11% 6% 370
10 DIESEL authKW 194197 6% 11% 186

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 121536 61% 1% 2071
2 Engineering, Chemical 21343 34% 0% 1136
3 Thermodynamics 18683 19% 0% 655
4 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 18038 10% 1% 335
5 Agricultural Engineering 8423 7% 0% 222
6 Engineering, Mechanical 5717 14% 0% 472
7 Transportation Science & Technology 5552 5% 0% 178
8 Mechanics 1636 9% 0% 290
9 Environmental Sciences 1022 10% 0% 345
10 Engineering, Petroleum 581 1% 0% 48

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FUELS TECHNOL LUBRICANTS 116038 1% 66% 19
2 INTERNAL COMBUST ENGINES 108050 2% 20% 58
3 AUTOMOBILE ENGN 104417 2% 14% 81
4 ALTERNAT FUELS RD 85109 1% 42% 22
5 ENGINE 80791 2% 14% 64
6 STATE ENGINES 57584 2% 9% 68
7 MECH ENGN 57525 41% 0% 1379
8 COMBUST ENGINE ENERGY CONVERS 55936 0% 100% 6
9 AHVAZ PETR ENGN 51264 0% 50% 11
10 IC ENGINES 42787 0% 31% 15

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FUEL 140086 14% 3% 485
2 ENERGY CONVERSION AND MANAGEMENT 33559 6% 2% 188
3 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING 27310 2% 4% 83
4 ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS 23697 2% 3% 84
5 ENERGY & FUELS 23587 5% 1% 180
6 THERMAL SCIENCE 21057 2% 3% 66
7 ENERGY 19639 5% 1% 159
8 JOURNAL OF THE ENERGY INSTITUTE 19078 1% 6% 34
9 INTERNATIONAL JOURNAL OF GREEN ENERGY 17471 1% 4% 42
10 RENEWABLE ENERGY 17069 4% 1% 126

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DIESEL ENGINE 2425132 21% 36% 716 Search DIESEL+ENGINE Search DIESEL+ENGINE
2 BIODIESEL 1227562 31% 13% 1045 Search BIODIESEL Search BIODIESEL
3 ENGINE PERFORMANCE 1081535 7% 51% 228 Search ENGINE+PERFORMANCE Search ENGINE+PERFORMANCE
4 EMISSIONS 870562 22% 12% 755 Search EMISSIONS Search EMISSIONS
5 EXHAUST EMISSIONS 679327 6% 38% 193 Search EXHAUST+EMISSIONS Search EXHAUST+EMISSIONS
6 ALTERNATIVE FUELS 291686 4% 21% 149 Search ALTERNATIVE+FUELS Search ALTERNATIVE+FUELS
7 INJECTION TIMING 255100 2% 41% 67 Search INJECTION+TIMING Search INJECTION+TIMING
8 STRAIGHT VEGETABLE OIL 239716 1% 86% 30 Search STRAIGHT+VEGETABLE+OIL Search STRAIGHT+VEGETABLE+OIL
9 COMBUSTION 202402 11% 6% 370 Search COMBUSTION Search COMBUSTION
10 DIESEL 194197 6% 11% 186 Search DIESEL Search DIESEL

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


rank cluster_id2 link
1 17459 EMULSIFIED FUEL//MICRO EXPLOSION//EMULSION FUEL
2 7666 HCCI//HOMOGENEOUS CHARGE COMPRESSION IGNITION//HOMOGENEOUS CHARGE COMPRESSION IGNITION HCCI
3 16287 ETHANOL GASOLINE BLENDS//SPARK IGNITION ENGINE//EXHAUST EMISSIONS
4 17122 EXTRAE//GRP PESQUISA TERMOFLUIDODINAM LICADA//FOOD ENGN FOOD ENGN
5 11359 OXIDATION STABILITY//RANCIMAT//PDSC
6 99 BIODIESEL//TRANSESTERIFICATION//WASTE COOKING OIL
7 3775 DUAL FUEL ENGINE//DUAL FUEL//SPARK IGNITION ENGINE
8 5635 DIESEL SPRAY//ATOMIZATION AND SPRAYS//CMT MOTO TERM
9 15788 AEROSOL PHYS//DIESEL//DIESEL AEROSOL
10 31344 JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT//LINKOS SAUGOS KATEDRA//AUTOMOBILE TRANSPORT

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