Class information for:
Level 1: STIRLING ENGINE//HOT AIR ENGINE//ERICSSON ENGINE

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
2640 2             FINITE TIME THERMODYNAMICS//STIRLING ENGINE//THERMOACOUSTICS 3731
20922 1                   STIRLING ENGINE//HOT AIR ENGINE//ERICSSON ENGINE 463

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STIRLING ENGINE authKW 9622037 42% 72% 195
2 HOT AIR ENGINE authKW 754003 3% 92% 12
3 ERICSSON ENGINE authKW 612629 2% 100% 9
4 BETA TYPE STIRLING ENGINE authKW 544559 2% 100% 8
5 STIRLING HEAT ENGINE authKW 501238 2% 82% 9
6 RHOMBIC DRIVE authKW 476489 2% 100% 7
7 RHOMBIC DRIVE MECHANISM authKW 476489 2% 100% 7
8 FREE PISTON STIRLING ENGINE authKW 459467 2% 75% 9
9 FINITE SPEED THERMODYNAMICS authKW 435644 2% 80% 8
10 GAMMA TYPE STIRLING ENGINE authKW 408419 1% 100% 6

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 15397 59% 0% 273
2 Thermodynamics 8276 34% 0% 159
3 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 3440 12% 0% 54
4 Engineering, Mechanical 3307 28% 0% 128
5 Mechanics 2192 24% 0% 113
6 Engineering, Aerospace 159 3% 0% 14
7 Engineering, Chemical 108 8% 0% 36
8 Nuclear Science & Technology 47 4% 0% 17
9 Engineering, General 34 3% 0% 12
10 Engineering, Ocean 9 0% 0% 2

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENERGY MECH ELE OMAGNET 153156 1% 75% 3
2 DIPARTIMENTO INGN NAVALE TECNOL MARINE 136140 0% 100% 2
3 EA ISAT 1859 136140 0% 100% 2
4 ENSIAME ENGN 136140 0% 100% 2
5 HEAT ENERGY ENGN 136140 0% 100% 2
6 STIRLING ENGINE 136140 0% 100% 2
7 DRIVE ID MOTION 90758 0% 67% 2
8 ENERGY ENGN SECT 87515 1% 43% 3
9 AUTOMOT TECHNOL VOCAT HIGH 68070 0% 100% 1
10 C TEURS ACTIONNEURS RECUPERAT ENERGIE 68070 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIESEL PROGRESS NORTH AMERICAN EDITION 38894 0% 29% 2
2 ENGINEERING DIGEST 22689 0% 33% 1
3 ENERGY CONVERSION AND MANAGEMENT 21869 12% 1% 56
4 RENEWABLE ENERGY 17500 10% 1% 47
5 ENERGY 10569 9% 0% 43
6 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE 9277 5% 1% 24
7 ADVANCES IN EARTH ORIENTED APPLICATIONS OF SPACE TECHNOLOGY 8507 0% 13% 1
8 INTERNATIONAL JOURNAL OF ENERGY RESEARCH 6100 4% 1% 17
9 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY 6038 3% 1% 12
10 APPLIED THERMAL ENGINEERING 5115 6% 0% 28

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 STIRLING ENGINE 9622037 42% 72% 195 Search STIRLING+ENGINE Search STIRLING+ENGINE
2 HOT AIR ENGINE 754003 3% 92% 12 Search HOT+AIR+ENGINE Search HOT+AIR+ENGINE
3 ERICSSON ENGINE 612629 2% 100% 9 Search ERICSSON+ENGINE Search ERICSSON+ENGINE
4 BETA TYPE STIRLING ENGINE 544559 2% 100% 8 Search BETA+TYPE+STIRLING+ENGINE Search BETA+TYPE+STIRLING+ENGINE
5 STIRLING HEAT ENGINE 501238 2% 82% 9 Search STIRLING+HEAT+ENGINE Search STIRLING+HEAT+ENGINE
6 RHOMBIC DRIVE 476489 2% 100% 7 Search RHOMBIC+DRIVE Search RHOMBIC+DRIVE
7 RHOMBIC DRIVE MECHANISM 476489 2% 100% 7 Search RHOMBIC+DRIVE+MECHANISM Search RHOMBIC+DRIVE+MECHANISM
8 FREE PISTON STIRLING ENGINE 459467 2% 75% 9 Search FREE+PISTON+STIRLING+ENGINE Search FREE+PISTON+STIRLING+ENGINE
9 FINITE SPEED THERMODYNAMICS 435644 2% 80% 8 Search FINITE+SPEED+THERMODYNAMICS Search FINITE+SPEED+THERMODYNAMICS
10 GAMMA TYPE STIRLING ENGINE 408419 1% 100% 6 Search GAMMA+TYPE+STIRLING+ENGINE Search GAMMA+TYPE+STIRLING+ENGINE

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 7392 THERMOACOUSTICS//PULSE TUBE REFRIGERATOR//PULSE TUBE
2 4161 FINITE TIME THERMODYNAMICS//306//MILLER CYCLE
3 27356 ROTARY REGENERATOR//ROTARY AIR PREHEATER//REGENERATOR SYSTEM
4 4362 TRIGENERATION//COGENERATION//COMBINED HEAT AND POWER
5 3910 PARABOLIC TROUGH//PARABOLIC TROUGH COLLECTOR//HELIOSTAT
6 24735 SOLAR TRACKER//SUN TRACKER//SUN TRACKING SYSTEM
7 36200 PRINCIPLE OF CRITICAL ENERGY//EFFECTS SUPERPOSITION//SEMIPERMEABLE WALLS
8 26082 SOLAR COOKER//BOX TYPE SOLAR COOKER//SOLAR COOKING
9 31179 SPACE NUCL POWER STUDIES//SPACE NUCLEAR REACTOR//SPACE NUCLEAR POWER
10 21004 SOLAR WATER PUMP//PV PUMPING//WATER PUMPING

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