Class information for:
Level 2: THERMOCHEMICAL CYCLE//CHEMICAL HEAT PUMP//INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

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
1954 2             THERMOCHEMICAL CYCLE//CHEMICAL HEAT PUMP//INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 6094
3630 1                   ADSORPTION HEAT PUMP//ADSORPTION REFRIGERATION//ADSORPTION CHILLER 1975
7113 1                   SOLAR TECHNOL//SOLAR REACTOR//THERMOCHEMICAL CYCLE 1432
8509 1                   HYDROGEN ECONOMY//INTERNATIONAL JOURNAL OF HYDROGEN ENERGY//ELECTROLYSER 1277
13524 1                   SULFUR IODINE CYCLE//THERMOCHEMICAL HYDROGEN PRODUCTION//IS PROCESS 861
22701 1                   LIQUID ORGANIC HYDROGEN CARRIER//LOHC//LIQUID ORGANIC HYDRIDE 394
32202 1                   CHEMICAL HEAT PUMP//LIQUID PHASE DEHYDROGENATION//ACETONE HYDROGENATION 155

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 THERMOCHEMICAL CYCLE authKW 636952 2% 84% 146
2 CHEMICAL HEAT PUMP authKW 537174 2% 88% 118
3 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY journal 473128 23% 7% 1402
4 ADSORPTION HEAT PUMP authKW 420748 1% 94% 87
5 SOLAR TECHNOL address 342410 2% 49% 134
6 ADSORPTION REFRIGERATION authKW 322317 1% 93% 67
7 ADSORPTION CHILLER authKW 311021 1% 79% 76
8 HYDROGEN PRODUCTION authKW 303426 9% 11% 518
9 ADSORPTION SYSTEM authKW 299528 1% 82% 71
10 SOLAR REACTOR authKW 272356 1% 75% 70

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 200797 59% 1% 3577
2 Electrochemistry 50323 25% 1% 1510
3 Thermodynamics 43719 22% 1% 1340
4 Engineering, Mechanical 13856 16% 0% 977
5 Chemistry, Physical 13821 33% 0% 2012
6 Engineering, Chemical 10030 18% 0% 1094
7 Mechanics 6223 12% 0% 728
8 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 4897 4% 0% 241
9 Nuclear Science & Technology 552 4% 0% 215
10 Engineering, Petroleum 197 1% 0% 41

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOLAR TECHNOL 342410 2% 49% 134
2 REFRIGERAT CRYOGEN 211990 4% 18% 231
3 PROC MAT SOLAR ENERGY 117414 1% 44% 52
4 SOLAR IL UNIT 91208 0% 59% 30
5 MECH PROC ENGN 87179 3% 10% 178
6 THERMALLY ACT MAT SOLAR COOLING 62406 0% 93% 13
7 CARBON RECYCLING UTILIZAT 52106 0% 46% 22
8 HYDROGEN ISOTOPES TECHNOL BRANCH 46529 0% 100% 9
9 GREEN ASIA EDUC 44726 0% 58% 15
10 SOLAR ILITIES UNIT 41359 0% 100% 8

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 473128 23% 7% 1402
2 JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME 64795 3% 8% 164
3 APPLIED THERMAL ENGINEERING 63866 6% 3% 359
4 SOLAR ENERGY 48446 4% 4% 261
5 INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID 27654 2% 4% 140
6 ENERGY 22702 4% 2% 230
7 INTERNATIONAL JOURNAL OF ENERGY RESEARCH 15293 2% 3% 98
8 ENERGY CONVERSION AND MANAGEMENT 13147 3% 2% 159
9 HEAT RECOVERY SYSTEMS & CHP 9668 0% 7% 28
10 RENEWABLE ENERGY 9507 2% 1% 127

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 THERMOCHEMICAL CYCLE 636952 2% 84% 146 Search THERMOCHEMICAL+CYCLE Search THERMOCHEMICAL+CYCLE
2 CHEMICAL HEAT PUMP 537174 2% 88% 118 Search CHEMICAL+HEAT+PUMP Search CHEMICAL+HEAT+PUMP
3 ADSORPTION HEAT PUMP 420748 1% 94% 87 Search ADSORPTION+HEAT+PUMP Search ADSORPTION+HEAT+PUMP
4 ADSORPTION REFRIGERATION 322317 1% 93% 67 Search ADSORPTION+REFRIGERATION Search ADSORPTION+REFRIGERATION
5 ADSORPTION CHILLER 311021 1% 79% 76 Search ADSORPTION+CHILLER Search ADSORPTION+CHILLER
6 HYDROGEN PRODUCTION 303426 9% 11% 518 Search HYDROGEN+PRODUCTION Search HYDROGEN+PRODUCTION
7 ADSORPTION SYSTEM 299528 1% 82% 71 Search ADSORPTION+SYSTEM Search ADSORPTION+SYSTEM
8 SOLAR REACTOR 272356 1% 75% 70 Search SOLAR+REACTOR Search SOLAR+REACTOR
9 SULFUR IODINE CYCLE 255504 1% 92% 54 Search SULFUR+IODINE+CYCLE Search SULFUR+IODINE+CYCLE
10 THERMOCHEMICAL WATER SPLITTING 239338 1% 93% 50 Search THERMOCHEMICAL+WATER+SPLITTING Search THERMOCHEMICAL+WATER+SPLITTING

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 1802 SOLAR ENERGY//JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME//PARABOLIC TROUGH
2 2346 CHEMICAL LOOPING COMBUSTION//CHEMICAL LOOPING//CO2 CAPTURE
3 849 INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID//HEAT PUMP//GROUND SOURCE HEAT PUMP
4 1401 ORGANIC RANKINE CYCLE//EXERGY//DISTRICT HEATING
5 576 STEAM REFORMING//METHANOL SYNTHESIS//AUTOTHERMAL REFORMING
6 2769 HYDROGEN SAFETY//JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES//HEAVY GAS
7 3323 AMMONIA SYNTHESIS//AMMONIA DECOMPOSITION//AMMONIA ELECTRO OXIDATION
8 886 HYDROGEN EVOLUTION REACTION//OXYGEN EVOLUTION REACTION//WATER ELECTROLYSIS
9 2572 AMMONIA BORANE//HYDROGEN GENERATION//SODIUM BOROHYDRIDE
10 165 ENERGY POLICY//RENEWABLE ENERGY//RENEWABLE & SUSTAINABLE ENERGY REVIEWS

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