Class information for:
Level 1: JOURNAL OF THE AMERICAN HELICOPTER SOCIETY//GLENN L MARTIN TECHNOL//ENGINEERING, AEROSPACE

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
21 4 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL 471779
70 3       ENGINEERING, AEROSPACE//AIAA JOURNAL//MECHANICS 87936
550 2             JOURNAL OF AIRCRAFT//ENGINEERING, AEROSPACE//AIAA JOURNAL 15144
7940 1                   JOURNAL OF THE AMERICAN HELICOPTER SOCIETY//GLENN L MARTIN TECHNOL//ENGINEERING, AEROSPACE 1336

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF THE AMERICAN HELICOPTER SOCIETY journal 1461543 17% 27% 233
2 GLENN L MARTIN TECHNOL address 603860 2% 80% 32
3 ENGINEERING, AEROSPACE WoSSC 264124 67% 1% 900
4 VERTICA journal 229580 3% 22% 45
5 ALFRED GESSOW ROTORCRAFT address 159591 3% 19% 35
6 JOURNAL OF AIRCRAFT journal 155042 15% 3% 198
7 ROTOR FUSELAGE INTERACTION authKW 141533 0% 100% 6
8 BLADE VORTEX INTERACTION authKW 127372 1% 60% 9
9 HELICOPTER ROTOR authKW 125801 1% 67% 8
10 ROTOR FLOWS authKW 121312 0% 86% 6

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Aerospace 264124 67% 1% 900
2 Acoustics 5789 13% 0% 169
3 Mechanics 5051 22% 0% 293
4 Engineering, Mechanical 2245 14% 0% 186
5 Physics, Fluids & Plasmas 769 6% 0% 85
6 Engineering, Marine 252 1% 0% 11
7 Audiology & Speech-Language Pathology 158 2% 0% 21
8 Computer Science, Interdisciplinary Applications 142 3% 0% 46
9 Mathematics, Interdisciplinary Applications 111 3% 0% 34
10 Engineering, General 36 2% 0% 24

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GLENN L MARTIN TECHNOL 603860 2% 80% 32
2 ALFRED GESSOW ROTORCRAFT 159591 3% 19% 35
3 AEROFLIGHTDYNAM DIRECTORATE 112747 1% 34% 14
4 AEROENGINE AERODYNAM THERMAL 70766 0% 100% 3
5 ROTORCRAFT AEROMECH 68612 1% 36% 8
6 AEROSP ENGN 54941 17% 1% 233
7 SCI TECHNOL ROTORCRAFT AERODYNAM 53073 0% 75% 3
8 AVIAT DEV DIRECTORATE ADD AMRDEC 47178 0% 100% 2
9 IST STUDI ESPERIENZE ARCHITETTURA NAVALE 47178 0% 100% 2
10 PRENONCOMMISSIONED OFFICERS TRAINING BASE 47178 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF THE AMERICAN HELICOPTER SOCIETY 1461543 17% 27% 233
2 VERTICA 229580 3% 22% 45
3 JOURNAL OF AIRCRAFT 155042 15% 3% 198
4 INTERNATIONAL JOURNAL OF AEROACOUSTICS 92345 2% 12% 33
5 AIAA JOURNAL 90469 16% 2% 212
6 AERONAUTICAL JOURNAL 36164 4% 3% 49
7 JOURNAL OF SOUND AND VIBRATION 8880 6% 0% 77
8 AEROSPACE SCIENCE AND TECHNOLOGY 8671 2% 1% 29
9 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING 5612 2% 1% 21
10 INTERNATIONAL JOURNAL OF MICRO AIR VEHICLES 3723 0% 3% 5

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ROTOR FUSELAGE INTERACTION 141533 0% 100% 6 Search ROTOR+FUSELAGE+INTERACTION Search ROTOR+FUSELAGE+INTERACTION
2 BLADE VORTEX INTERACTION 127372 1% 60% 9 Search BLADE+VORTEX+INTERACTION Search BLADE+VORTEX+INTERACTION
3 HELICOPTER ROTOR 125801 1% 67% 8 Search HELICOPTER+ROTOR Search HELICOPTER+ROTOR
4 ROTOR FLOWS 121312 0% 86% 6 Search ROTOR+FLOWS Search ROTOR+FLOWS
5 HELICOPTER AERODYNAMICS 98285 0% 83% 5 Search HELICOPTER+AERODYNAMICS Search HELICOPTER+AERODYNAMICS
6 ROTOR WAKE 98285 0% 83% 5 Search ROTOR+WAKE Search ROTOR+WAKE
7 STRUCTURED GRID GENERATION 94351 0% 67% 6 Search STRUCTURED+GRID+GENERATION Search STRUCTURED+GRID+GENERATION
8 PROPELLER NOISE 88796 1% 47% 8 Search PROPELLER+NOISE Search PROPELLER+NOISE
9 ACOUSTIC ANALOGY 82831 1% 29% 12 Search ACOUSTIC+ANALOGY Search ACOUSTIC+ANALOGY
10 BLADE VORTEX INTERACTION NOISE 70766 0% 100% 3 Search BLADE+VORTEX+INTERACTION+NOISE Search BLADE+VORTEX+INTERACTION+NOISE

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 19612 WAKE VORTEX//WING TIP VORTEX//AIRCRAFT WAKE VORTEX
2 9929 COMPUTATIONAL AEROACOUSTICS//AEROACOUSTICS//ACOUSTIC LINER
3 5872 JOURNAL OF THE AMERICAN HELICOPTER SOCIETY//VERTICA//ALFRED GESSOW ROTORCRAFT
4 16321 WIND TURBINE NOISE//AIRFRAME NOISE//TRAILING EDGE NOISE
5 19485 CENTRIFUGAL FAN//CROSS FLOW FAN//SQUIRREL CAGE FAN
6 30491 GURNEY FLAP//MICROTAB//AERODYNAMICS AIRCRAFT DESIGN PERFORMANCE
7 35211 LOCAL SUPERSONIC REGIONS//LIN REISSNER TSIEN EQUATION//LOCAL SUPERSONIC ZONES
8 32108 SUPERLUMINAL RADIATION//TACHYONIC GAMMA RAYS//TACHYONIC CASCADE SPECTRA
9 20865 MEMBRANE WING//SAIL AERODYNAMICS//YACHT UNIT
10 36453 CIRCULAR ERROR PROBABLE//FLOW GENERATED NOISE//GEOMAGNETIC AIDED NAVIGATION

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