Class information for:
Level 1: DISTRICT HEATING//COGENERATION//TRIGENERATION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2408 2255 29.2 47%


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
18 4 THERMODYNAMICS//ENERGY & FUELS//ENGINEERING, CHEMICAL 531182
115 3       ENERGY & FUELS//ENERGY AND BUILDINGS//SOLAR ENERGY 70347
506 2             ORGANIC RANKINE CYCLE//EXERGY//HEAT PUMP 15300
2408 1                   DISTRICT HEATING//COGENERATION//TRIGENERATION 2255

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 DISTRICT HEATING authKW 1817362 11% 52% 257
2 COGENERATION authKW 1463603 14% 34% 320
3 TRIGENERATION authKW 1335787 7% 67% 148
4 COMBINED HEAT AND POWER authKW 724604 6% 37% 143
5 CHP authKW 551280 5% 36% 112
6 CCHP authKW 517856 2% 75% 51
7 MICRO CHP authKW 422536 2% 59% 53
8 CCHP SYSTEM authKW 394280 1% 94% 31
9 PRIMARY ENERGY SAVINGS authKW 260203 1% 62% 31
10 ENERGY HUB authKW 258767 1% 66% 29

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Energy & Fuels 141035 79% 1% 1783
2 Thermodynamics 49932 38% 0% 862
3 Mechanics 7132 20% 0% 453
4 Construction & Building Technology 7048 10% 0% 217
5 Engineering, Mechanical 5736 17% 0% 380
6 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 4814 6% 0% 140
7 Environmental Studies 2999 7% 0% 153
8 Engineering, Chemical 2909 16% 0% 361
9 Engineering, Civil 1839 8% 0% 190
10 Physics, Nuclear 1442 8% 0% 186

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 TECHNOL BLDG ENVIRONM 81236 0% 100% 6
2 GRP THERMAL ENGN ENERGY SYST GITSE 61887 0% 57% 8
3 ENERGY NETWORK GRP 43324 0% 80% 4
4 BUILT ENVIRONM CONTROL 42307 0% 63% 5
5 DREAM ENERGET ENVIRONM 40618 0% 100% 3
6 ENERGY RENEWABLES CARBON MANAGEMENT GRP 40618 0% 100% 3
7 HEATING SEGMENT 40618 0% 100% 3
8 SOCIOECON POLICY STUDY GRP 40618 0% 100% 3
9 ENERGY SYST 27229 3% 3% 71
10 ARAGON ENERGY I3A 27079 0% 100% 2

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ENERGY 152040 15% 3% 348
2 APPLIED ENERGY 134984 13% 3% 303
3 APPLIED THERMAL ENGINEERING 87679 11% 3% 245
4 ENERGY AND BUILDINGS 60259 8% 3% 171
5 ENERGY CONVERSION AND MANAGEMENT 49470 8% 2% 185
6 INTERNATIONAL JOURNAL OF ENERGY RESEARCH 24533 3% 2% 75
7 ENERGY POLICY 23310 6% 1% 125
8 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY 11615 2% 2% 37
9 RENEWABLE & SUSTAINABLE ENERGY REVIEWS 7119 3% 1% 58
10 HEAT RECOVERY SYSTEMS & CHP 5515 1% 3% 13

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 DISTRICT HEATING 1817362 11% 52% 257 Search DISTRICT+HEATING Search DISTRICT+HEATING
2 COGENERATION 1463603 14% 34% 320 Search COGENERATION Search COGENERATION
3 TRIGENERATION 1335787 7% 67% 148 Search TRIGENERATION Search TRIGENERATION
4 COMBINED HEAT AND POWER 724604 6% 37% 143 Search COMBINED+HEAT+AND+POWER Search COMBINED+HEAT+AND+POWER
5 CHP 551280 5% 36% 112 Search CHP Search CHP
6 CCHP 517856 2% 75% 51 Search CCHP Search CCHP
7 MICRO CHP 422536 2% 59% 53 Search MICRO+CHP Search MICRO+CHP
8 CCHP SYSTEM 394280 1% 94% 31 Search CCHP+SYSTEM Search CCHP+SYSTEM
9 PRIMARY ENERGY SAVINGS 260203 1% 62% 31 Search PRIMARY+ENERGY+SAVINGS Search PRIMARY+ENERGY+SAVINGS
10 ENERGY HUB 258767 1% 66% 29 Search ENERGY+HUB Search ENERGY+HUB

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 JRADI, M , RIFFAT, S , (2014) TRI-GENERATION SYSTEMS: ENERGY POLICIES, PRIME MOVERS, COOLING TECHNOLOGIES, CONFIGURATIONS AND OPERATION STRATEGIES.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 32. ISSUE . P. 396 -415 123 74% 41
2 CHO, H , SMITH, AD , MAGO, P , (2014) COMBINED COOLING, HEATING AND POWER: A REVIEW OF PERFORMANCE IMPROVEMENT AND OPTIMIZATION.APPLIED ENERGY. VOL. 136. ISSUE . P. 168 -185 103 79% 49
3 LIU, MX , SHI, Y , FANG, F , (2014) COMBINED COOLING, HEATING AND POWER SYSTEMS: A SURVEY.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 35. ISSUE . P. 1 -22 93 72% 51
4 MANCARELLA, P , (2014) MES (MULTI-ENERGY SYSTEMS): AN OVERVIEW OF CONCEPTS AND EVALUATION MODELS.ENERGY. VOL. 65. ISSUE . P. 1 -17 89 67% 72
5 HAN, J , OUYANG, LX , XU, YZ , ZENG, R , KANG, SS , ZHANG, GQ , (2016) CURRENT STATUS OF DISTRIBUTED ENERGY SYSTEM IN CHINA.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 55. ISSUE . P. 288 -297 56 86% 6
6 LOUAHLIA-GUALOUS, H , AL MOUSSAWI, H , FARDOUN, F , (2016) REVIEW OF TRI-GENERATION TECHNOLOGIES: DESIGN EVALUATION, OPTIMIZATION, DECISION-MAKING, AND SELECTION APPROACH.ENERGY CONVERSION AND MANAGEMENT. VOL. 120. ISSUE . P. 157 -196 117 50% 1
7 LAKE, A , REZAIE, B , BEYERLEIN, S , (2017) REVIEW OF DISTRICT HEATING AND COOLING SYSTEMS FOR A SUSTAINABLE FUTURE.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 67. ISSUE . P. 417 -425 49 60% 2
8 LI, M , MU, HL , LI, N , MA, BY , (2016) OPTIMAL DESIGN AND OPERATION STRATEGY FOR INTEGRATED EVALUATION OF CCHP (COMBINED COOLING HEATING AND POWER) SYSTEM.ENERGY. VOL. 99. ISSUE . P. 202 -220 45 92% 8
9 UNAL, AN , ERCAN, S , KAYAKUTLU, G , (2015) OPTIMISATION STUDIES ON TRI-GENERATION: A REVIEW.INTERNATIONAL JOURNAL OF ENERGY RESEARCH. VOL. 39. ISSUE 10. P. 1311 -1334 79 63% 0
10 ZHAI, ZQ , JING, YY , ZHANG, CF , WANG, JJ , (2011) PERFORMANCE COMPARISON OF COMBINED COOLING HEATING AND POWER SYSTEM IN DIFFERENT OPERATION MODES.APPLIED ENERGY. VOL. 88. ISSUE 12. P. 4621 -4631 46 90% 73

Classes with closest relation at Level 1


Rank Class id link
1 34376 THERMOPOWER PLANTS//NAVAL ARCHITECTURE POWER ENGN//STEAM ACCUMULATOR
2 5843 COMBINED CYCLE//INLET AIR COOLING//GAS TURBINE
3 20645 STIRLING ENGINE//HOT AIR ENGINE//ERICSSON ENGINE
4 8122 ENERGYPLAN//VARIABLE RENEWABLES//WIND POWER
5 3805 ORGANIC RANKINE CYCLE//ORGANIC RANKINE CYCLE ORC//WASTE HEAT RECOVERY
6 25731 GAS ENGINE DRIVEN HEAT PUMP//GAS ENGINE HEAT PUMP//HPGHP
7 833 ENERGY AND BUILDINGS//CONSTRUCTION & BUILDING TECHNOLOGY//OCCUPANT BEHAVIOR
8 6377 HEAT EXCHANGER NETWORK//PINCH ANALYSIS//HEAT EXCHANGER NETWORK SYNTHESIS
9 19559 POWER PLANT EVALUATION//ENERGY WATER ECOSYST ENGN GRP//HYDROGEN ENERGY COMPETITIVENESS
10 31378 OUTPUT ELASTICITIES//SPACE MINING//SULFUR CONCRETE

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