Class information for:
Level 1: EJECTOR//INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID//TRANSCRITICAL CYCLE

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
107 3       ENERGY & FUELS//ENERGY AND BUILDINGS//SOLAR ENERGY 73650
849 2             INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID//HEAT PUMP//GROUND SOURCE HEAT PUMP 11790
3189 1                   EJECTOR//INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID//TRANSCRITICAL CYCLE 2075

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 EJECTOR authKW 3030652 14% 67% 297
2 INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID journal 1470628 29% 16% 593
3 TRANSCRITICAL CYCLE authKW 1082154 5% 76% 94
4 COP authKW 574524 8% 24% 159
5 ENTRAINMENT RATIO authKW 568594 2% 80% 47
6 HEAT PUMP authKW 534419 11% 15% 237
7 REFRIGERATION SYSTEM authKW 437277 4% 34% 84
8 EJECTOR SYSTEM authKW 384605 2% 77% 33
9 INTERNAL HEAT EXCHANGER authKW 364855 1% 78% 31
10 VAPOR INJECTION authKW 351548 1% 93% 25

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Thermodynamics 147521 68% 1% 1408
2 Engineering, Mechanical 70286 59% 0% 1225
3 Energy & Fuels 34237 42% 0% 868
4 Mechanics 10094 25% 0% 513
5 Construction & Building Technology 1544 5% 0% 102
6 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 772 3% 0% 57
7 Engineering, Aerospace 534 3% 0% 55
8 Engineering, Chemical 300 6% 0% 134
9 Nuclear Science & Technology 174 3% 0% 71
10 Engineering, General 89 2% 0% 44

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MECH ENGN CONSTRUCT 144680 2% 22% 43
2 REFRIGERAT CRYOGEN ENGN 133582 2% 19% 47
3 ISTENER GRP 98703 1% 50% 13
4 PL THERMODYNAM REFRIGERAT 86302 1% 32% 18
5 DEP MECH ENGN CONSTRUCT 75935 0% 100% 5
6 DEP PL THERMODYNAM 60748 0% 100% 4
7 UNITE RECH ENERGET ENVIRONM 46502 0% 44% 7
8 EJECTOR REFRIGERAT TECHNOL 45561 0% 100% 3
9 ODESSA STATE REFRIGERAT 45561 0% 100% 3
10 SEA ENERGY UTILIZAT ENERGY CONSERVAT 45561 0% 100% 3

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID 1470628 29% 16% 593
2 APPLIED THERMAL ENGINEERING 132733 15% 3% 301
3 ENERGY CONVERSION AND MANAGEMENT 24578 6% 1% 126
4 INTERNATIONAL JOURNAL OF EXERGY 24347 1% 5% 31
5 INTERNATIONAL JOURNAL OF ENERGY RESEARCH 23068 3% 2% 70
6 ISI BILIMI VE TEKNIGI DERGISI-JOURNAL OF THERMAL SCIENCE AND TECHNOLOGY 16407 1% 6% 17
7 HVAC&R RESEARCH 16153 1% 4% 29
8 ENERGY 10700 4% 1% 92
9 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY 7308 1% 2% 28
10 APPLIED ENERGY 6963 3% 1% 68

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 EJECTOR 3030652 14% 67% 297 Search EJECTOR Search EJECTOR
2 TRANSCRITICAL CYCLE 1082154 5% 76% 94 Search TRANSCRITICAL+CYCLE Search TRANSCRITICAL+CYCLE
3 COP 574524 8% 24% 159 Search COP Search COP
4 ENTRAINMENT RATIO 568594 2% 80% 47 Search ENTRAINMENT+RATIO Search ENTRAINMENT+RATIO
5 HEAT PUMP 534419 11% 15% 237 Search HEAT+PUMP Search HEAT+PUMP
6 REFRIGERATION SYSTEM 437277 4% 34% 84 Search REFRIGERATION+SYSTEM Search REFRIGERATION+SYSTEM
7 EJECTOR SYSTEM 384605 2% 77% 33 Search EJECTOR+SYSTEM Search EJECTOR+SYSTEM
8 INTERNAL HEAT EXCHANGER 364855 1% 78% 31 Search INTERNAL+HEAT+EXCHANGER Search INTERNAL+HEAT+EXCHANGER
9 VAPOR INJECTION 351548 1% 93% 25 Search VAPOR+INJECTION Search VAPOR+INJECTION
10 REFRIGERATION 324816 8% 13% 162 Search REFRIGERATION Search REFRIGERATION

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 23241 SCROLL COMPRESSOR//RECIPROCATING COMPRESSOR//LINEAR COMPRESSOR
2 12785 CAPILLARY TUBE//ELECTRONIC EXPANSION VALVE//METASTABLE FLOW
3 22022 SOLAR ASSISTED HEAT PUMP//HEAT PUMP//SOLAR ASSISTED
4 37091 GAS ENGINE DRIVEN HEAT PUMP//GAS ENGINE HEAT PUMP//HPGHP
5 26366 REFRIGERANT OIL MIXTURES//PROPIEDADES TERMOFIS//POLYOLESTER
6 21277 FROST FORMATION//DEFROSTING//FROST
7 8281 REFRIGERANT//R143A//HFC 143A
8 3025 ABSORPTION SYSTEM//WATER LITHIUM BROMIDE//AMMONIA WATER
9 28451 OZONE SAFE REFRIGERANTS//METHANOL LIBR//METHANOL LICL
10 31250 RECESSED SPACES//AUTOMOBILE CABIN//AIR CONDITIONER PERFORMANCE

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