Class information for:
Level 1: HALL THRUSTER//PLASMA PROP//PLASMADYNAM ELECT PROP

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
419 3       PLASMA SOURCES SCIENCE & TECHNOLOGY//REVIEW OF SCIENTIFIC INSTRUMENTS//JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 30297
3121 2             HALL THRUSTER//PLASMA PROP//JOURNAL OF PROPULSION AND POWER 2456
9913 1                   HALL THRUSTER//PLASMA PROP//PLASMADYNAM ELECT PROP 1141

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HALL THRUSTER authKW 2330469 8% 94% 90
2 PLASMA PROP address 1413001 5% 95% 54
3 PLASMADYNAM ELECT PROP address 710233 3% 86% 30
4 ELECT PROP GRP address 451126 2% 78% 21
5 ION THRUSTER authKW 392910 2% 68% 21
6 HALL EFFECT THRUSTER authKW 362825 1% 77% 17
7 ELECTRIC PROPULSION authKW 322593 4% 23% 50
8 PLASMADYNAM ELECT PROPULS address 278505 1% 92% 11
9 ADV POWER address 276205 1% 100% 10
10 STATIONARY PLASMA THRUSTER authKW 265152 1% 80% 12

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Aerospace 31311 25% 0% 288
2 Physics, Fluids & Plasmas 24429 36% 0% 409
3 Physics, Applied 1824 27% 0% 313
4 Instruments & Instrumentation 396 7% 0% 76
5 Physics, Multidisciplinary 47 5% 0% 54
6 Physics, Mathematical 18 2% 0% 21
7 Materials Science, Coatings & Films 15 1% 0% 15
8 Physics, Nuclear 5 1% 0% 16
9 Computer Science, Interdisciplinary Applications 4 1% 0% 14
10 Film, Radio, Television 2 0% 0% 1

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PLASMA PROP 1413001 5% 95% 54
2 PLASMADYNAM ELECT PROP 710233 3% 86% 30
3 ELECT PROP GRP 451126 2% 78% 21
4 PLASMADYNAM ELECT PROPULS 278505 1% 92% 11
5 ADV POWER 276205 1% 100% 10
6 HIGH POWER ELECT PROP 257782 1% 67% 14
7 PROP MAT ENGN SECT 176768 1% 80% 8
8 ELECT DRIVE PROP TECHNOL 165723 1% 100% 6
9 SPACECRAFT PROP BRANCH 150375 1% 78% 7
10 ICARE 131229 3% 13% 37

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF PROPULSION AND POWER 235314 17% 4% 196
2 PHYSICS OF PLASMAS 39828 15% 1% 168
3 IEEE TRANSACTIONS ON PLASMA SCIENCE 21817 8% 1% 89
4 PLASMA SOURCES SCIENCE & TECHNOLOGY 19502 4% 2% 45
5 PLASMA PHYSICS REPORTS 10594 3% 1% 33
6 JOURNAL OF SPACECRAFT AND ROCKETS 9142 3% 1% 38
7 CONTRIBUTIONS TO PLASMA PHYSICS 6903 2% 1% 25
8 PLASMA SCIENCE & TECHNOLOGY 5635 2% 1% 22
9 TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 4476 1% 1% 12
10 REVIEW OF SCIENTIFIC INSTRUMENTS 3483 6% 0% 63

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HALL THRUSTER 2330469 8% 94% 90 Search HALL+THRUSTER Search HALL+THRUSTER
2 ION THRUSTER 392910 2% 68% 21 Search ION+THRUSTER Search ION+THRUSTER
3 HALL EFFECT THRUSTER 362825 1% 77% 17 Search HALL+EFFECT+THRUSTER Search HALL+EFFECT+THRUSTER
4 ELECTRIC PROPULSION 322593 4% 23% 50 Search ELECTRIC+PROPULSION Search ELECTRIC+PROPULSION
5 STATIONARY PLASMA THRUSTER 265152 1% 80% 12 Search STATIONARY+PLASMA+THRUSTER Search STATIONARY+PLASMA+THRUSTER
6 PLASMA PROPULSION 241872 1% 52% 17 Search PLASMA+PROPULSION Search PLASMA+PROPULSION
7 CUSPED FIELD THRUSTER 193344 1% 100% 7 Search CUSPED+FIELD+THRUSTER Search CUSPED+FIELD+THRUSTER
8 ION ENGINE 189387 1% 57% 12 Search ION+ENGINE Search ION+ENGINE
9 GRID EROSION 165723 1% 100% 6 Search GRID+EROSION Search GRID+EROSION
10 NEAR WALL CONDUCTIVITY 138103 0% 100% 5 Search NEAR+WALL+CONDUCTIVITY Search NEAR+WALL+CONDUCTIVITY

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 23967 ELECT PROP PLASMA DYNAM//ARCJET THRUSTER//ARCJET
2 18593 MICROTHRUSTER//PULSED PLASMA THRUSTER//MICRONOZZLE
3 28966 GRID BIAS METHOD//DOUBLE PLASMA DEVICE//ELECTRON TEMPERATURE CONTROL
4 34127 PLASMA LENS//INNOVAT PLASMA TECHNOL GRP//ION BEAM PLASMA
5 5695 BOHM CRITERION//OXFORD UNIT//PLASMA SHEATHS
6 10693 SPACE PLASMA POWER PROP GRP//SPACE PLASMA POWER PROP//HELICON WAVE
7 25396 PARTICLE IN CELL//NUMERICAL CERENKOV INSTABILITY//RELATIVISTIC PLASMA DRIFT
8 26886 PLASMA CENTRIFUGE//ISOTOPE TRANSMUTATION ONLINE SEPARATION//PLASMA PLUGGING
9 21175 PLASMA ATOM PHYS//MURMANSK BRANCH//2P STATES
10 31522 LOGARITHMIC ELECTROMETERS//INVEST MATEMAT LICADAS//AUTO RANGING ELECTROMETER

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