Class information for:
Level 2: HYDROGEN SAFETY//JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES//HEAVY GAS

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
557 3       FLAME RETARDANCY//JOURNAL OF FIRE SCIENCES//FIRE SAFETY JOURNAL 18104
2769 2             HYDROGEN SAFETY//JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES//HEAVY GAS 3401
13431 1                   HEAVY GAS//DENSE GAS DISPERSION//HEAVY GAS DISPERSION 868
18142 1                   HYDROGEN SAFETY//JET FIRE//HYDROGEN DISPERSION 591
19839 1                   NATURAL GAS NETWORK//COMPRESSOR STATION//GAS NETWORK 510
20362 1                   FLASHING FLOW//CRITICAL FLOW//SAFETY VALVE 486
25425 1                   DECOMPRESSION WAVE SPEED//GASDECOM//RICH GAS 305
28260 1                   CHEMICAL ENGINEERING//CRIPPEN ALGORITHM PRINCIPAL COMPONENT ANALYSIS//DRUG ABSORPTION CONCENTRATIONS DISTRIBUTION TRANSIT TIME 230
28415 1                   FAST FILLING//FAST FILLING PROCESS//CRYO ADSORPTION 226
30379 1                   FIBER ORIENTATION FUNCTION//ABAQUS USER DEFINED MATERIAL SUBROUTINE//ABAQUS USER DEFINED SUBROUTINE 185

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYDROGEN SAFETY authKW 527901 2% 69% 82
2 JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES journal 349540 9% 12% 305
3 HEAVY GAS authKW 196045 1% 92% 23
4 DENSE GAS DISPERSION authKW 189782 1% 79% 26
5 FAST FILLING authKW 185301 1% 100% 20
6 HEAVY GAS DISPERSION authKW 159267 1% 90% 19
7 JET FIRE authKW 141644 1% 53% 29
8 LNG authKW 130348 2% 20% 71
9 HYDROGEN DISPERSION authKW 121062 0% 93% 14
10 DECOMPRESSION WAVE SPEED authKW 101916 0% 100% 11

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 22939 27% 0% 922
2 Engineering, Chemical 16997 30% 0% 1023
3 Electrochemistry 8374 14% 0% 471
4 Engineering, Environmental 6945 12% 0% 405
5 Engineering, Civil 3845 10% 0% 336
6 Engineering, Petroleum 3239 3% 0% 109
7 Thermodynamics 2629 8% 0% 260
8 Engineering, Mechanical 1806 8% 0% 281
9 Environmental Sciences 1545 12% 0% 409
10 Mechanics 1292 8% 0% 263

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYSAFER 80072 0% 79% 11
2 HYDROGEN SAFETY ENGN HYSAFER 65938 0% 65% 11
3 MARY KAY OCONNOR PROC SAFETY 53111 1% 15% 39
4 HYDROGEN 42538 1% 18% 25
5 MARY KAY OCONNOR PROC SAFETY QATAR 37827 0% 58% 7
6 HEAT TRANSFER FLUID MECH 33349 0% 60% 6
7 FUEL CELL TECHNOL OFF 29647 0% 80% 4
8 ANAL EVALUAT RISK MANAGEMENT RISCO 27795 0% 100% 3
9 EXPLOS DISPERS UNIT 27795 0% 100% 3
10 FC EV 25651 0% 46% 6

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES 349540 9% 12% 305
2 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 94090 14% 2% 468
3 CHEMICAL ENGINEERING 44876 2% 6% 81
4 JOURNAL OF HAZARDOUS MATERIALS 40830 8% 2% 267
5 PROCESS SAFETY PROGRESS 32261 2% 6% 57
6 PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 27718 2% 4% 70
7 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 12966 2% 3% 54
8 OIL & GAS JOURNAL 7990 1% 2% 49
9 TAPPI 6209 0% 4% 17
10 TECHNISCHE MITTEILUNGEN KRUPP FORSCHUNGSBERICHTE 6087 0% 13% 5

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HYDROGEN SAFETY 527901 2% 69% 82 Search HYDROGEN+SAFETY Search HYDROGEN+SAFETY
2 HEAVY GAS 196045 1% 92% 23 Search HEAVY+GAS Search HEAVY+GAS
3 DENSE GAS DISPERSION 189782 1% 79% 26 Search DENSE+GAS+DISPERSION Search DENSE+GAS+DISPERSION
4 FAST FILLING 185301 1% 100% 20 Search FAST+FILLING Search FAST+FILLING
5 HEAVY GAS DISPERSION 159267 1% 90% 19 Search HEAVY+GAS+DISPERSION Search HEAVY+GAS+DISPERSION
6 JET FIRE 141644 1% 53% 29 Search JET+FIRE Search JET+FIRE
7 LNG 130348 2% 20% 71 Search LNG Search LNG
8 HYDROGEN DISPERSION 121062 0% 93% 14 Search HYDROGEN+DISPERSION Search HYDROGEN+DISPERSION
9 DECOMPRESSION WAVE SPEED 101916 0% 100% 11 Search DECOMPRESSION+WAVE+SPEED Search DECOMPRESSION+WAVE+SPEED
10 HYDROGEN LEAKAGE 100880 0% 78% 14 Search HYDROGEN+LEAKAGE Search HYDROGEN+LEAKAGE

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 2


rank cluster_id2 link
1 983 RELIABILITY ENGINEERING & SYSTEM SAFETY//IEEE TRANSACTIONS ON RELIABILITY//PROCESS SAFETY PROGRESS
2 988 ATMOSPHERIC ENVIRONMENT//STREET CANYON//AIR QUALITY MODELING
3 2314 FIRE SAFETY JOURNAL//TUNNEL FIRE//FIRE TECHNOLOGY
4 1401 ORGANIC RANKINE CYCLE//EXERGY//DISTRICT HEATING
5 1887 DUST EXPLOSION//DETONATION//SHOCK WAVES
6 1954 THERMOCHEMICAL CYCLE//CHEMICAL HEAT PUMP//INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
7 2804 DIRECT CONTACT CONDENSATION//NON CONDENSABLE GAS//NONCONDENSABLE GAS
8 2142 WATER DISTRIBUTION SYSTEMS//WATER DISTRIBUTION NETWORK//JOURNAL OF WATER RESOURCES PLANNING AND MANAGEMENT
9 2432 RUNAWAY REACTION//REVERSE FLOW REACTOR//THERMAL HAZARD
10 3026 AXIAL PISTON PUMP//ELECTRO HYDRAULIC SYSTEM//PROPORTIONAL VALVE

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