Class information for:
Level 1: FREE PISTON ENGINE//FREE PISTON//LINEAR ENGINE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
25793 272 18.4 34%


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
18 4 THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL 531182
486 3       BIODIESEL//DIESEL ENGINE//TRANSESTERIFICATION 23357
778 2             DIESEL ENGINE//EMISSIONS//ENGINE PERFORMANCE 12190
25793 1                   FREE PISTON ENGINE//FREE PISTON//LINEAR ENGINE 272

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 FREE PISTON ENGINE authKW 2915770 11% 84% 31
2 FREE PISTON authKW 1492823 9% 53% 25
3 LINEAR ENGINE authKW 1355162 5% 93% 13
4 LINEAR COMPRESSOR authKW 997863 7% 44% 20
5 HYDRAULIC FREE PISTON ENGINE authKW 467757 2% 83% 5
6 LINEAR ELECTRIC MACHINE authKW 449048 1% 100% 4
7 PULSED COMPRESSION REACTOR authKW 449048 1% 100% 4
8 SIR JOSEPH SWAN ENERGY address 440211 7% 20% 20
9 FREE PISTON GENERATOR authKW 359237 1% 80% 4
10 LINEAR ALTERNATOR authKW 342122 3% 38% 8

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Engineering, Mechanical 2642 32% 0% 87
2 Energy & Fuels 1761 26% 0% 71
3 Thermodynamics 1398 19% 0% 51
4 Engineering, Electrical & Electronic 645 30% 0% 81
5 Transportation Science & Technology 573 6% 0% 16
6 Automation & Control Systems 383 8% 0% 22
7 Engineering, Chemical 359 16% 0% 44
8 Engineering, Marine 282 2% 0% 5
9 Mechanics 271 12% 0% 32
10 Physics, Applied 144 17% 0% 47

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 SIR JOSEPH SWAN ENERGY 440211 7% 20% 20
2 PROD TESTING 336786 1% 100% 3
3 CTW THW 252588 1% 75% 3
4 BIOL MEASUREMENT PL 224524 1% 100% 2
5 AN DONG INFORMAT 112262 0% 100% 1
6 CHAIR PL MED ENGN AME 112262 0% 100% 1
7 CONTR R ENGN 112262 0% 100% 1
8 ECOLE SUPER INGENIEURS INFORMAT AUTOMAT MECA 112262 0% 100% 1
9 GRP CONCEPCAO ANAL DISPOSIT ELETROMAGNAT 112262 0% 100% 1
10 HELMHOLTZ UNIV 112262 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 APPLIED ENERGY 12474 12% 0% 32
2 INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID 6404 5% 0% 14
3 INTERNATIONAL JOURNAL OF ENGINE RESEARCH 6186 2% 1% 5
4 INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS 5833 4% 0% 11
5 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY 3454 3% 0% 7
6 INTERNATIONAL JOURNAL OF MARITIME ENGINEERING 3450 1% 2% 2
7 DANCING TIMES 2952 0% 3% 1
8 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY 2305 4% 0% 10
9 DYNA 2285 1% 1% 3
10 IEEE TRANSACTIONS ON MAGNETICS 1900 9% 0% 24

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 FREE PISTON ENGINE 2915770 11% 84% 31 Search FREE+PISTON+ENGINE Search FREE+PISTON+ENGINE
2 FREE PISTON 1492823 9% 53% 25 Search FREE+PISTON Search FREE+PISTON
3 LINEAR ENGINE 1355162 5% 93% 13 Search LINEAR+ENGINE Search LINEAR+ENGINE
4 LINEAR COMPRESSOR 997863 7% 44% 20 Search LINEAR+COMPRESSOR Search LINEAR+COMPRESSOR
5 HYDRAULIC FREE PISTON ENGINE 467757 2% 83% 5 Search HYDRAULIC+FREE+PISTON+ENGINE Search HYDRAULIC+FREE+PISTON+ENGINE
6 LINEAR ELECTRIC MACHINE 449048 1% 100% 4 Search LINEAR+ELECTRIC+MACHINE Search LINEAR+ELECTRIC+MACHINE
7 PULSED COMPRESSION REACTOR 449048 1% 100% 4 Search PULSED+COMPRESSION+REACTOR Search PULSED+COMPRESSION+REACTOR
8 FREE PISTON GENERATOR 359237 1% 80% 4 Search FREE+PISTON+GENERATOR Search FREE+PISTON+GENERATOR
9 LINEAR ALTERNATOR 342122 3% 38% 8 Search LINEAR+ALTERNATOR Search LINEAR+ALTERNATOR
10 OSCILLATING ACTUATOR 336786 1% 100% 3 Search OSCILLATING+ACTUATOR Search OSCILLATING+ACTUATOR

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 HUNG, NB , LIM, O , (2016) A REVIEW OF FREE-PISTON LINEAR ENGINES.APPLIED ENERGY. VOL. 178. ISSUE . P. 78 -97 31 91% 0
2 SUN, P , ZHANG, C , CHEN, JH , ZHAO, F , LIAO, YY , YANG, GL , CHEN, CY , (2016) DECOUPLING DESIGN AND VERIFICATION OF A FREE-PISTON LINEAR GENERATOR.ENERGIES. VOL. 9. ISSUE 12. P. - 26 96% 0
3 HANIPAH, MR , MIKALSEN, R , ROSKILLY, AP , (2015) RECENT COMMERCIAL FREE-PISTON ENGINE DEVELOPMENTS FOR AUTOMOTIVE APPLICATIONS.APPLIED THERMAL ENGINEERING. VOL. 75. ISSUE . P. 493 -503 22 100% 5
4 JIA, BR , SMALLBONE, A , MIKALSEN, R , FENG, HH , ZUO, ZX , ROSKILLY, AP , (2017) DISTURBANCE ANALYSIS OF A FREE-PISTON ENGINE GENERATOR USING A VALIDATED FAST-RESPONSE NUMERICAL MODEL.APPLIED ENERGY. VOL. 185. ISSUE . P. 440 -451 17 100% 0
5 FENG, HH , GUO, CD , YUAN, CH , GUO, YY , ZUO, ZX , ROSKILLY, AP , JIA, BR , (2016) RESEARCH ON COMBUSTION PROCESS OF A FREE PISTON DIESEL LINEAR GENERATOR.APPLIED ENERGY. VOL. 161. ISSUE . P. 395 -403 13 100% 4
6 JIA, BR , SMALLBONE, A , ZUO, ZX , FENG, HH , ROSKILLY, AP , (2016) DESIGN AND SIMULATION OF A TWO- OR FOUR-STROKE FREE-PISTON ENGINE GENERATOR FOR RANGE EXTENDER APPLICATIONS.ENERGY CONVERSION AND MANAGEMENT. VOL. 111. ISSUE . P. 289 -298 14 88% 5
7 JIA, BR , MIKALSEN, R , SMALLBONE, A , ZUO, ZX , FENG, HH , ROSKILLY, AP , (2016) PISTON MOTION CONTROL OF A FREE-PISTON ENGINE GENERATOR: A NEW APPROACH USING CASCADE CONTROL.APPLIED ENERGY. VOL. 179. ISSUE . P. 1166 -1175 19 86% 0
8 KIM, J , BAE, C , KIM, G , (2016) THE OPERATION CHARACTERISTICS OF A LIQUEFIED PETROLEUM GAS (LPG) SPARK-IGNITION FREE PISTON ENGINE.FUEL. VOL. 183. ISSUE . P. 304 -313 16 100% 0
9 JIA, BR , ZUO, ZX , FENG, HH , TIAN, GH , SMALLBONE, A , ROSKILLY, AP , (2016) EFFECT OF CLOSED-LOOP CONTROLLED RESONANCE BASED MECHANISM TO START FREE PISTON ENGINE GENERATOR: SIMULATION AND TEST RESULTS.APPLIED ENERGY. VOL. 164. ISSUE . P. 532 -539 13 100% 3
10 LIM, O , HUNG, NB , OH, S , KIM, G , SONG, H , IIDA, N , (2015) A STUDY OF OPERATING PARAMETERS ON THE LINEAR SPARK IGNITION ENGINE.APPLIED ENERGY. VOL. 160. ISSUE . P. 746 -760 16 94% 1

Classes with closest relation at Level 1


Rank Class id link
1 21156 CAMLESS ENGINE//PIPE INSIDE MOVER//THOMSON COIL ACTUATOR
2 4207 HCCI//HOMOGENEOUS CHARGE COMPRESSION IGNITION//LOW TEMPERATURE COMBUSTION
3 348 COGGING TORQUE//PERMANENT MAGNET MACHINES//PERMANENT MAGNET PM MACHINES
4 32676 PROGRESSING CAVITY PUMP//SUCKER ROD PUMP//SUCKER ROD STRING
5 9710 MICRO COMBUSTION//MICRO COMBUSTOR//MICROCOMBUSTION
6 7900 THERMOACOUSTICS//PULSE TUBE REFRIGERATOR//PULSE TUBE
7 18860 TUMBLE//IN CYLINDER FLOW//INTAKE PORT
8 12006 ENGINE CONTROL//AIR FUEL RATIO CONTROL//IDLE SPEED CONTROL
9 27314 KALAM COSMOLOGICAL ARGUMENT//FAITH GLOBAL ENGAGEMENT//COSMOLOGICAL ARGUMENT
10 21455 EDDY CURRENT BRAKE//EDDY CURRENT DAMPER//EDDY CURRENT DAMPING

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