Class information for:
Level 1: MICROTHRUSTER//PULSED PLASMA THRUSTER//MICRONOZZLE

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
18593 1                   MICROTHRUSTER//PULSED PLASMA THRUSTER//MICRONOZZLE 568

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MICROTHRUSTER authKW 790903 5% 51% 28
2 PULSED PLASMA THRUSTER authKW 710216 3% 80% 16
3 MICRONOZZLE authKW 533649 4% 42% 23
4 MICROPROPULSION authKW 279731 2% 46% 11
5 THRUST BALANCE authKW 249685 1% 75% 6
6 THRUST STAND authKW 221941 1% 67% 6
7 MICROIGNITER authKW 198162 1% 71% 5
8 COMPUTAT GAS PLASMA DYNAM address 166458 1% 100% 3
9 MEMS THRUSTER authKW 166458 1% 100% 3
10 NEAR WALL FILM authKW 166458 1% 100% 3

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Aerospace 55754 48% 0% 270
2 Instruments & Instrumentation 2328 21% 0% 117
3 Mechanics 475 11% 0% 62
4 Physics, Applied 372 19% 0% 107
5 Physics, Fluids & Plasmas 250 6% 0% 32
6 Nanoscience & Nanotechnology 248 8% 0% 46
7 Engineering, Electrical & Electronic 213 14% 0% 78
8 Thermodynamics 165 5% 0% 28
9 Engineering, General 98 4% 0% 21
10 Engineering, Mechanical 97 5% 0% 29

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 COMPUTAT GAS PLASMA DYNAM 166458 1% 100% 3
2 SPACE PROGRAMMES 166458 1% 100% 3
3 LAUNCHER ELECT TEAM 110972 0% 100% 2
4 LAUNCHER STAGE ENGN TEAM 110972 0% 100% 2
5 UMR CATALYSE MET 6503 110972 0% 100% 2
6 ANGSTROM SPACE TECHNOL 102736 2% 19% 10
7 ADV CONCEPT PROP SCI 55486 0% 100% 1
8 AERODYNAM FLIGHT MECH GROUP 55486 0% 100% 1
9 AERODYNAM PROPUL 55486 0% 100% 1
10 AEROPHYS BRANCHPROPULS DIRECTORATE 55486 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF PROPULSION AND POWER 135676 18% 2% 105
2 JOURNAL OF SPACECRAFT AND ROCKETS 37286 10% 1% 54
3 ACTA ASTRONAUTICA 17760 8% 1% 44
4 JOURNAL OF MICROMECHANICS AND MICROENGINEERING 7071 5% 0% 27
5 SENSORS AND ACTUATORS A-PHYSICAL 4268 5% 0% 28
6 NANOSCALE AND MICROSCALE THERMOPHYSICAL ENGINEERING 4141 1% 2% 4
7 AEROSPACE SCIENCE AND TECHNOLOGY 3491 2% 1% 12
8 THERMOPHYSICS AND AEROMECHANICS 3231 1% 1% 6
9 INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES 3163 1% 1% 4
10 REVIEW OF SCIENTIFIC INSTRUMENTS 1923 6% 0% 33

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 MICROTHRUSTER 790903 5% 51% 28 Search MICROTHRUSTER Search MICROTHRUSTER
2 PULSED PLASMA THRUSTER 710216 3% 80% 16 Search PULSED+PLASMA+THRUSTER Search PULSED+PLASMA+THRUSTER
3 MICRONOZZLE 533649 4% 42% 23 Search MICRONOZZLE Search MICRONOZZLE
4 MICROPROPULSION 279731 2% 46% 11 Search MICROPROPULSION Search MICROPROPULSION
5 THRUST BALANCE 249685 1% 75% 6 Search THRUST+BALANCE Search THRUST+BALANCE
6 THRUST STAND 221941 1% 67% 6 Search THRUST+STAND Search THRUST+STAND
7 MICROIGNITER 198162 1% 71% 5 Search MICROIGNITER Search MICROIGNITER
8 MEMS THRUSTER 166458 1% 100% 3 Search MEMS+THRUSTER Search MEMS+THRUSTER
9 NEAR WALL FILM 166458 1% 100% 3 Search NEAR+WALL+FILM Search NEAR+WALL+FILM
10 MICRO ROCKET 124842 1% 75% 3 Search MICRO+ROCKET Search MICRO+ROCKET

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 35793 HYDROXYLAMMONIUM NITRATE//GREEN PROPELLANT//HYDROXYL AMMONIUM NITRATE
3 9913 HALL THRUSTER//PLASMA PROP//PLASMADYNAM ELECT PROP
4 22975 ELECTROTHERMAL PLASMA//ELECTROTHERMAL CHEMICAL//LEWIS 16
5 24924 HYBRID ROCKET MOTOR//REGRESSION RATE//HYBRID ROCKET
6 2527 RAREFIED GAS//DSMC//RAREFIED GAS DYNAMICS
7 32338 SONIC NOZZLE//CRITICAL NOZZLE//CRITICAL PRESSURE RATIO
8 22640 LASER PROPULSION//IMPULSE COUPLING COEFFICIENT//CHRYSOTIMUS
9 5312 THERMITE//NANOTHERMITE//METAL COMBUSTION
10 24787 CASCADED ARC//MAGNUM PSI//LINEAR PLASMA GENERATOR

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