Class information for:
Level 1: AXIAL PISTON PUMP//GEAR PUMP//EXTERNAL GEAR PUMPS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
20668 450 15.8 32%


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
9 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//COMPUTER SCIENCE, INFORMATION SYSTEMS 1247339
241 3       ROBOTICS//MECHANISM AND MACHINE THEORY//ENGINEERING, MECHANICAL 47433
2910 2             AXIAL PISTON PUMP//ELECTRO HYDRAULIC SYSTEM//PNEUMATIC ACTUATOR 2777
20668 1                   AXIAL PISTON PUMP//GEAR PUMP//EXTERNAL GEAR PUMPS 450

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 AXIAL PISTON PUMP authKW 1847351 7% 83% 33
2 GEAR PUMP authKW 1068712 5% 75% 21
3 EXTERNAL GEAR PUMPS authKW 954215 3% 94% 15
4 FLOW RIPPLE authKW 848187 3% 83% 15
5 VALVE PLATE authKW 549627 2% 90% 9
6 PISTON PUMP authKW 498578 3% 57% 13
7 VANE PUMP authKW 434271 2% 80% 8
8 MAHA FLUID POWER address 424822 3% 52% 12
9 HYDRAULIC PISTON PUMP authKW 348969 1% 86% 6
10 WATER HYDRAULIC MOTOR authKW 305346 1% 75% 6

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 17809 64% 0% 286
2 Automation & Control Systems 2540 16% 0% 71
3 Instruments & Instrumentation 435 10% 0% 47
4 Materials Science, Characterization, Testing 335 4% 0% 16
5 Engineering, Manufacturing 186 4% 0% 17
6 Mechanics 163 8% 0% 34
7 Transportation Science & Technology 151 2% 0% 11
8 Engineering, General 83 4% 0% 17
9 Acoustics 56 2% 0% 11
10 Computer Science, Interdisciplinary Applications 25 3% 0% 12

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 MAHA FLUID POWER 424822 3% 52% 12
2 OIL PUMP ENGN OFF 271422 1% 100% 4
3 AUTOMOT COMPONENTS ENGN 135711 0% 100% 2
4 DRIVELINE SYST ENGN 135711 0% 100% 2
5 HYDRAUL SYST ENGN OFF 135711 0% 100% 2
6 SON FLUID MECH 135711 0% 100% 2
7 ECOMMFIT 90473 0% 67% 2
8 HESAM 90473 0% 67% 2
9 ENGN FERRARA 77101 1% 23% 5
10 ADV ENGN PUMPS MOTORS 67855 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 JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME 33399 9% 1% 42
2 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE 15212 7% 1% 30
3 DIESEL PROGRESS NORTH AMERICAN EDITION 13569 0% 20% 1
4 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I-JOURNAL OF SYSTEMS AND CONTROL ENGINEERING 8809 3% 1% 13
5 INDUSTRIAL LUBRICATION AND TRIBOLOGY 8770 2% 1% 10
6 BULLETIN OF THE JSME-JAPAN SOCIETY OF MECHANICAL ENGINEERS 7284 3% 1% 14
7 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY 6759 5% 0% 22
8 KSME INTERNATIONAL JOURNAL 4966 2% 1% 10
9 CHINESE JOURNAL OF MECHANICAL ENGINEERING 3492 2% 1% 8
10 HYDRAULICS & PNEUMATICS 3391 0% 5% 1

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 AXIAL PISTON PUMP 1847351 7% 83% 33 Search AXIAL+PISTON+PUMP Search AXIAL+PISTON+PUMP
2 GEAR PUMP 1068712 5% 75% 21 Search GEAR+PUMP Search GEAR+PUMP
3 EXTERNAL GEAR PUMPS 954215 3% 94% 15 Search EXTERNAL+GEAR+PUMPS Search EXTERNAL+GEAR+PUMPS
4 FLOW RIPPLE 848187 3% 83% 15 Search FLOW+RIPPLE Search FLOW+RIPPLE
5 VALVE PLATE 549627 2% 90% 9 Search VALVE+PLATE Search VALVE+PLATE
6 PISTON PUMP 498578 3% 57% 13 Search PISTON+PUMP Search PISTON+PUMP
7 VANE PUMP 434271 2% 80% 8 Search VANE+PUMP Search VANE+PUMP
8 HYDRAULIC PISTON PUMP 348969 1% 86% 6 Search HYDRAULIC+PISTON+PUMP Search HYDRAULIC+PISTON+PUMP
9 WATER HYDRAULIC MOTOR 305346 1% 75% 6 Search WATER+HYDRAULIC+MOTOR Search WATER+HYDRAULIC+MOTOR
10 PRESSURE RIPPLES 271422 1% 100% 4 Search PRESSURE+RIPPLES Search PRESSURE+RIPPLES

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 XU, B , YE, SG , ZHANG, JH , ZHANG, CF , (2016) FLOW RIPPLE REDUCTION OF AN AXIAL PISTON PUMP BY A COMBINATION OF CROSS-ANGLE AND PRESSURE RELIEF GROOVES: ANALYSIS AND OPTIMIZATION.JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY. VOL. 30. ISSUE 6. P. 2531 -2545 22 100% 0
2 BERGADA, JM , KUMAR, S , DAVIES, DL , WATTON, J , (2012) A COMPLETE ANALYSIS OF AXIAL PISTON PUMP LEAKAGE AND OUTPUT FLOW RIPPLES.APPLIED MATHEMATICAL MODELLING. VOL. 36. ISSUE 4. P. 1731 -1751 21 95% 20
3 XU, B , HU, M , ZHANG, JH , SU, Q , (2016) CHARACTERISTICS OF VOLUMETRIC LOSSES AND EFFICIENCY OF AXIAL PISTON PUMP WITH RESPECT TO DISPLACEMENT CONDITIONS.JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A. VOL. 17. ISSUE 3. P. 186 -201 18 100% 0
4 XU, B , HU, M , ZHANG, JH , (2015) IMPACT OF TYPICAL STEADY-STATE CONDITIONS AND TRANSIENT CONDITIONS ON FLOW RIPPLE AND ITS TEST ACCURACY FOR AXIAL PISTON PUMP.CHINESE JOURNAL OF MECHANICAL ENGINEERING. VOL. 28. ISSUE 5. P. 1012 -1022 14 100% 1
5 YIN, FL , NIE, SL , XIAO, SH , HOU, W , (2016) NUMERICAL AND EXPERIMENTAL STUDY OF CAVITATION PERFORMANCE IN SEA WATER HYDRAULIC AXIAL PISTON PUMP.PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I-JOURNAL OF SYSTEMS AND CONTROL ENGINEERING. VOL. 230. ISSUE 8. P. 716 -735 20 69% 0
6 BERGADA, JM , WATTON, J , HAYNES, JM , DAVIES, DL , (2010) THE HYDROSTATIC/HYDRODYNAMIC BEHAVIOUR OF AN AXIAL PISTON PUMP SLIPPER WITH MULTIPLE LANDS.MECCANICA. VOL. 45. ISSUE 4. P. 585 -602 16 94% 8
7 BERGADA, JM , DAVIES, DL , KUMAR, S , WATTON, J , (2012) THE EFFECT OF OIL PRESSURE AND TEMPERATURE ON BARREL FILM THICKNESS AND BARREL DYNAMICS OF AN AXIAL PISTON PUMP.MECCANICA. VOL. 47. ISSUE 3. P. 639 -654 12 100% 9
8 ZHANG, C , HUANG, SK , DU, J , WANG, XJ , WANG, SP , ZHANG, HY , (2016) A NEW DYNAMIC SEVEN-STAGE MODEL FOR THICKNESS PREDICTION OF THE FILM BETWEEN VALVE PLATE AND CYLINDER BLOCK IN AXIAL PISTON PUMPS.ADVANCES IN MECHANICAL ENGINEERING. VOL. 8. ISSUE 9. P. - 12 92% 0
9 SONG, W , CHEN, YL , ZHOU, H , (2016) INVESTIGATION OF FLUID DELIVERY AND TRAPPED VOLUME PERFORMANCES OF TRUNINGER GEAR PUMP BY A DISCRETIZATION APPROACH.ADVANCES IN MECHANICAL ENGINEERING. VOL. 8. ISSUE 10. P. - 14 78% 0
10 ABUHAIBA, M , OLSON, WW , (2010) GEOMETRIC AND KINEMATIC MODELING OF A VARIABLE DISPLACEMENT HYDRAULIC BENT-AXIS PISTON PUMP.JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. VOL. 5. ISSUE 4. P. - 12 100% 2

Classes with closest relation at Level 1


Rank Class id link
1 14721 ELECTRO HYDRAULIC SYSTEM//HYDRAULIC ACTUATORS//ELECTRO HYDRAULIC ACTUATOR
2 18038 FLOW FORCES//BUTTERFLY VALVE//SERVO VALVE
3 8407 TOOTH CONTACT ANALYSIS//SPIRAL BEVEL GEAR//TOROIDAL DRIVE
4 29967 POWER ELECT ENERGY CONTROL SYST//ELECT ENGN AUTOMAT COMP SCI BIOMED ENGN//SHIP POWER PLANTS
5 3236 JOURNAL BEARING//JOURNAL BEARINGS//TILTING PAD JOURNAL BEARING
6 37086 MAINTENANCE MANAGEMENT SYSTEM//REACTOR MAINTENANCE//10303
7 35557 ENGINE THERMAL MANAGEMENT//ELECTRIC WATER PUMP//ENGINE COOLING SYSTEM
8 15997 PISTON RING//PISTON SKIRT//CRANKSHAFT
9 37304 AUXILIARY SIGNAL DESIGN//ACTIVE FAILURE DETECTION//ACTIVE FAULT DIAGNOSIS AFD
10 34988 HYDROSTATIC DRIVE//GENERALIZED SCHWARZ CHRISTOFFEL TRANSFORMATION//VARIABLE CAPACITY DISPLACEMENT PUMP

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