Class information for:
Level 1: EXTERNAL GEAR PUMPS//GEAR PUMP//SCREW COMPRESSOR

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
15 4 METALLURGY & METALLURGICAL ENGINEERING//MATERIALS SCIENCE, MULTIDISCIPLINARY//MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 827627
336 3       JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME//ENGINEERING, MECHANICAL//TRIBOLOGY TRANSACTIONS 37804
2651 2             GEAR//TRANSMISSION ERROR//MESH STIFFNESS 3711
19100 1                   EXTERNAL GEAR PUMPS//GEAR PUMP//SCREW COMPRESSOR 544

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 EXTERNAL GEAR PUMPS authKW 1042815 3% 100% 18
2 GEAR PUMP authKW 1021562 4% 77% 23
3 SCREW COMPRESSOR authKW 1005552 5% 64% 27
4 GEROTOR authKW 995912 3% 90% 19
5 GEROTOR PUMP authKW 699346 2% 93% 13
6 TWIN SCREW COMPRESSOR authKW 697614 3% 71% 17
7 POSIT DISPLACEMENT COMP SOR TECHNOL address 595891 2% 86% 12
8 ROTOR PROFILE authKW 463473 1% 100% 8
9 TROCHOIDAL GEAR authKW 354845 1% 88% 7
10 MAHA FLUID POWER address 315820 2% 42% 13

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Mechanical 27910 72% 0% 394
2 Thermodynamics 682 10% 0% 52
3 Engineering, Manufacturing 530 6% 0% 31
4 Mechanics 383 10% 0% 55
5 Engineering, Petroleum 238 2% 0% 12
6 Engineering, General 171 5% 0% 26
7 Energy & Fuels 158 6% 0% 35
8 Engineering, Marine 129 1% 0% 5
9 Materials Science, Characterization, Testing 121 2% 0% 11
10 Automation & Control Systems 59 3% 0% 14

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 POSIT DISPLACEMENT COMP SOR TECHNOL 595891 2% 86% 12
2 MAHA FLUID POWER 315820 2% 42% 13
3 VACUUM EQUIPMENT 173803 1% 100% 3
4 CRYOGEN GAS DYNAM 115868 0% 100% 2
5 OILHYDRAUL PNEUMAT SYST 115868 0% 100% 2
6 SON FLUID MECH 115868 0% 100% 2
7 COMP SOR TECHNOL 115864 1% 50% 4
8 ECOMMFIT 77244 0% 67% 2
9 MECH CONVERGENCE TECHNOL 77244 0% 67% 2
10 DIPARTIMENTO MECCAN STRUTTURALE 76177 2% 12% 11

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MECHANISM AND MACHINE THEORY 44050 10% 1% 52
2 JOURNAL OF MECHANICAL DESIGN 35657 8% 1% 45
3 JOURNAL OF THE BALKAN TRIBOLOGICAL ASSOCIATION 32968 4% 3% 21
4 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE 24220 8% 1% 42
5 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING 23436 3% 3% 16
6 ARCHIVES OF CIVIL AND MECHANICAL ENGINEERING 9147 2% 2% 10
7 CHEMICAL AND PETROLEUM ENGINEERING 7342 1% 3% 5
8 JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME 4348 3% 0% 18
9 TRANSACTIONS OF THE CANADIAN SOCIETY FOR MECHANICAL ENGINEERING 3681 1% 1% 8
10 POLISH MARITIME RESEARCH 3480 1% 1% 5

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 EXTERNAL GEAR PUMPS 1042815 3% 100% 18 Search EXTERNAL+GEAR+PUMPS Search EXTERNAL+GEAR+PUMPS
2 GEAR PUMP 1021562 4% 77% 23 Search GEAR+PUMP Search GEAR+PUMP
3 SCREW COMPRESSOR 1005552 5% 64% 27 Search SCREW+COMPRESSOR Search SCREW+COMPRESSOR
4 GEROTOR 995912 3% 90% 19 Search GEROTOR Search GEROTOR
5 GEROTOR PUMP 699346 2% 93% 13 Search GEROTOR+PUMP Search GEROTOR+PUMP
6 TWIN SCREW COMPRESSOR 697614 3% 71% 17 Search TWIN+SCREW+COMPRESSOR Search TWIN+SCREW+COMPRESSOR
7 ROTOR PROFILE 463473 1% 100% 8 Search ROTOR+PROFILE Search ROTOR+PROFILE
8 TROCHOIDAL GEAR 354845 1% 88% 7 Search TROCHOIDAL+GEAR Search TROCHOIDAL+GEAR
9 SCREW ROTOR 315416 1% 78% 7 Search SCREW+ROTOR Search SCREW+ROTOR
10 CYCLOID DRIVES 297945 1% 86% 6 Search CYCLOID+DRIVES Search CYCLOID+DRIVES

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 10078 SPIRAL BEVEL GEAR//TOOTH CONTACT ANALYSIS//FACE GEAR
2 30703 HARMONIC DRIVE//STRAIN WAVE GEARING//BUILT IN TORQUE SENSOR
3 23241 SCROLL COMPRESSOR//RECIPROCATING COMPRESSOR//LINEAR COMPRESSOR
4 8258 AXIAL PISTON PUMP//ELECTRO HYDRAULIC SYSTEM//FLOW RIPPLE
5 21905 FRICTION DRILLING//SINGLE SCREW COMPRESSOR//THREAD MILLING
6 24576 TURBOMOLECULAR PUMP//DRY SCROLL VACUUM PUMP//CIVIL AIR TRANSPORTAT MANAGEMENT
7 19549 MECHANICAL PRESS//CAM PROFILE//CYLINDRICAL CAMS
8 32264 ROLLER CHAIN//SYNCHRONOUS BELTS//HY VO SILENT CHAIN
9 30561 MEASUREMENT PLICAT ELECT//POWER ELECT ENERGY CONTROL SYST//ELECT ENGN AUTOMAT COMP SCI BIOMED ENGN
10 36934 JUNIPERUS CHINENSIS HEARTWOOD//SEATBELT SYSTEM//ANTI G BUCKLE

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