Class information for:
Level 1: MUFFLER//SPACE CONSTRAINTS//IL TECH ACOUST

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
22 4 AUTOMATION & CONTROL SYSTEMS//ENGINEERING, CIVIL//ACOUSTICS 457813
514 3       ACOUSTICS//APPLIED ACOUSTICS//JOURNAL OF SOUND AND VIBRATION 21584
2639 2             COMPUTATIONAL AEROACOUSTICS//JOURNAL OF SOUND AND VIBRATION//ACOUSTICS 3736
8266 1                   MUFFLER//SPACE CONSTRAINTS//IL TECH ACOUST 1300

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MUFFLER authKW 625074 3% 68% 38
2 SPACE CONSTRAINTS authKW 364633 1% 79% 19
3 IL TECH ACOUST address 242401 2% 50% 20
4 TRANSMISSION LOSS authKW 210797 4% 17% 51
5 ACOUSTICS WoSSC 204058 74% 1% 967
6 DECOUPLED NUMERICAL METHOD authKW 193936 1% 100% 8
7 JOURNAL OF SOUND AND VIBRATION journal 178214 26% 2% 338
8 FOUR POLE TRANSFER MATRIX METHOD authKW 169694 1% 100% 7
9 NOISE CONTROL ENGINEERING JOURNAL journal 150360 6% 8% 82
10 HELMHOLTZ RESONATOR authKW 146948 2% 25% 24

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Acoustics 204058 74% 1% 967
2 Audiology & Speech-Language Pathology 23673 18% 0% 229
3 Engineering, Mechanical 21896 42% 0% 545
4 Mechanics 13157 35% 0% 457
5 Engineering, General 2537 11% 0% 144
6 Transportation Science & Technology 434 2% 0% 32
7 Engineering, Aerospace 149 2% 0% 24
8 Mathematics, Interdisciplinary Applications 64 2% 0% 27
9 Thermodynamics 30 2% 0% 24
10 Computer Science, Interdisciplinary Applications 9 1% 0% 18

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IL TECH ACOUST 242401 2% 50% 20
2 IL TECH ACOUST FRITA 141040 1% 73% 8
3 INTERNAL COMBUST ENGINE TEAM 75753 0% 63% 5
4 ENGN DESIGN MECH ENGN 72726 0% 100% 3
5 FRITA 67335 0% 56% 5
6 MARCUS WALLENBERG SOUND VIBRAT 61261 1% 17% 15
7 MADS CLAUSEN PROD INNOVAT 56285 1% 19% 12
8 NOISE VIBRAT CONTROL 55693 2% 11% 20
9 POWER NUCL ENERGY ENGN 54543 0% 75% 3
10 FLUIDES MOTEUR 48484 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF SOUND AND VIBRATION 178214 26% 2% 338
2 NOISE CONTROL ENGINEERING JOURNAL 150360 6% 8% 82
3 APPLIED ACOUSTICS 83547 8% 3% 108
4 JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 52525 17% 1% 227
5 JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME 17710 3% 2% 43
6 ACUSTICA 15801 3% 2% 38
7 ACTA ACUSTICA UNITED WITH ACUSTICA 13906 2% 2% 31
8 INTERNATIONAL JOURNAL OF ACOUSTICS AND VIBRATION 10567 1% 4% 10
9 JOURNAL OF THE INDIAN INSTITUTE OF SCIENCE SECTION A-ENGINEERING & TECHNOLOGY 5700 0% 12% 2
10 JOURNAL OF MARINE SCIENCE AND TECHNOLOGY-TAIWAN 4532 1% 1% 13

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 MUFFLER 625074 3% 68% 38 Search MUFFLER Search MUFFLER
2 SPACE CONSTRAINTS 364633 1% 79% 19 Search SPACE+CONSTRAINTS Search SPACE+CONSTRAINTS
3 TRANSMISSION LOSS 210797 4% 17% 51 Search TRANSMISSION+LOSS Search TRANSMISSION+LOSS
4 DECOUPLED NUMERICAL METHOD 193936 1% 100% 8 Search DECOUPLED+NUMERICAL+METHOD Search DECOUPLED+NUMERICAL+METHOD
5 FOUR POLE TRANSFER MATRIX METHOD 169694 1% 100% 7 Search FOUR+POLE+TRANSFER+MATRIX+METHOD Search FOUR+POLE+TRANSFER+MATRIX+METHOD
6 HELMHOLTZ RESONATOR 146948 2% 25% 24 Search HELMHOLTZ+RESONATOR Search HELMHOLTZ+RESONATOR
7 ACOUSTIC ATTENUATION PERFORMANCE 121210 0% 100% 5 Search ACOUSTIC+ATTENUATION+PERFORMANCE Search ACOUSTIC+ATTENUATION+PERFORMANCE
8 ATTACHED LENGTH 121210 0% 100% 5 Search ATTACHED+LENGTH Search ATTACHED+LENGTH
9 GAS PULSATION 101007 0% 83% 5 Search GAS+PULSATION Search GAS+PULSATION
10 FOURIER BESSEL THEORY 96968 0% 100% 4 Search FOURIER+BESSEL+THEORY Search FOURIER+BESSEL+THEORY

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 7670 SOUND ABSORPTION//SOUND ABSORPTION COEFFICIENT//MICRO PERFORATED PANEL
2 9929 COMPUTATIONAL AEROACOUSTICS//AEROACOUSTICS//ACOUSTIC LINER
3 12578 CAVITY FLOW//FLOW ACOUSTIC COUPLING//CAVITY OSCILLATIONS
4 34534 CE SE SCHEME//CE SE METHOD//SPACE TIME CESE METHOD
5 36453 CIRCULAR ERROR PROBABLE//FLOW GENERATED NOISE//GEOMAGNETIC AIDED NAVIGATION
6 13247 COMPUTAT ACOUST MODELING//ACTA ACUSTICA UNITED WITH ACUSTICA//VIOLIN
7 35056 LIQUID AND ELASTIC MEDIA//ACOUSTICAL PHYSICS//DISPERSIVE COMPOSITE
8 27362 DANISH PRIMARY ACOUST//MODAL RECOMBINATION//SILENCER DESIGNS
9 19485 CENTRIFUGAL FAN//CROSS FLOW FAN//SQUIRREL CAGE FAN
10 20117 WIENER HOPF TECHNIQUE//WIENER HOPF OPERATOR//FACTORIZATION OF MATRIX FUNCTIONS

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