Class information for:
Level 1: DOWN FIRED BOILER//PULVERIZED COAL COMBUSTION//UTILITY BOILER

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
10304 1075 25.7 45%


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
367 3       GASIFICATION//BIOMASS//BIO OIL 33975
152 2             GASIFICATION//PYROLYSIS//FUEL 22982
10304 1                   DOWN FIRED BOILER//PULVERIZED COAL COMBUSTION//UTILITY BOILER 1075

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 DOWN FIRED BOILER authKW 994120 3% 100% 35
2 PULVERIZED COAL COMBUSTION authKW 429544 4% 34% 44
3 UTILITY BOILER authKW 417518 2% 70% 21
4 SWIRL BURNER authKW 349076 2% 47% 26
5 TANGENTIALLY FIRED BOILER authKW 347938 1% 88% 14
6 OVER FIRE AIR authKW 309275 1% 78% 14
7 NOX EMISSIONS authKW 284261 6% 15% 65
8 COAL COMBUSTION authKW 252563 7% 12% 73
9 PULVERIZED COAL authKW 218952 4% 19% 41
10 AERODYNAMIC FIELD authKW 198824 1% 100% 7

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 49801 68% 0% 733
2 Thermodynamics 19651 35% 0% 374
3 Engineering, Chemical 17359 53% 0% 565
4 Engineering, Mechanical 3738 20% 0% 210
5 Engineering, General 3680 14% 0% 155
6 Mechanics 1235 13% 0% 135
7 Chemistry, Applied 127 4% 0% 43
8 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 125 2% 0% 17
9 Engineering, Petroleum 91 1% 0% 11
10 Engineering, Environmental 76 3% 0% 29

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 ENERGY SCI ENGN 172772 11% 5% 119
2 DEV WATER OURCE CONSERVAT 113610 1% 67% 6
3 CLEAN ENERGY ENVIRONM ENGN MOE 78649 1% 46% 6
4 DONGFANG BOILER GRP CO LTD 56807 0% 100% 2
5 COAL COMBUST 50118 1% 11% 16
6 STATE CLEAN COAL COMBUST 47332 0% 33% 5
7 THERMAL POWER ENGN 46968 3% 6% 29
8 MECH ENGN ENVIRONM TECHNOL 42602 0% 50% 3
9 ACERC 28403 0% 100% 1
10 ANADOLU PLASMA TECHNOL 28403 0% 100% 1

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 JOURNAL OF THE INSTITUTE OF ENERGY 142285 5% 10% 49
2 FUEL 43075 14% 1% 150
3 COMBUSTION SCIENCE AND TECHNOLOGY 42549 7% 2% 79
4 ENERGY & FUELS 21954 9% 1% 96
5 PROGRESS IN ENERGY AND COMBUSTION SCIENCE 10877 1% 3% 15
6 JOURNAL OF THE ENERGY INSTITUTE 10804 1% 3% 14
7 FUEL PROCESSING TECHNOLOGY 10356 4% 1% 43
8 ENERGY 9404 6% 1% 60
9 COMBUSTION AND FLAME 7612 4% 1% 42
10 APPLIED THERMAL ENGINEERING 7603 5% 1% 50

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 DOWN FIRED BOILER 994120 3% 100% 35 Search DOWN+FIRED+BOILER Search DOWN+FIRED+BOILER
2 PULVERIZED COAL COMBUSTION 429544 4% 34% 44 Search PULVERIZED+COAL+COMBUSTION Search PULVERIZED+COAL+COMBUSTION
3 UTILITY BOILER 417518 2% 70% 21 Search UTILITY+BOILER Search UTILITY+BOILER
4 SWIRL BURNER 349076 2% 47% 26 Search SWIRL+BURNER Search SWIRL+BURNER
5 TANGENTIALLY FIRED BOILER 347938 1% 88% 14 Search TANGENTIALLY+FIRED+BOILER Search TANGENTIALLY+FIRED+BOILER
6 OVER FIRE AIR 309275 1% 78% 14 Search OVER+FIRE+AIR Search OVER+FIRE+AIR
7 NOX EMISSIONS 284261 6% 15% 65 Search NOX+EMISSIONS Search NOX+EMISSIONS
8 COAL COMBUSTION 252563 7% 12% 73 Search COAL+COMBUSTION Search COAL+COMBUSTION
9 PULVERIZED COAL 218952 4% 19% 41 Search PULVERIZED+COAL Search PULVERIZED+COAL
10 AERODYNAMIC FIELD 198824 1% 100% 7 Search AERODYNAMIC+FIELD Search AERODYNAMIC+FIELD

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 KUANG, M , LI, ZQ , (2014) REVIEW OF GAS/PARTICLE FLOW, COAL COMBUSTION, AND NOX EMISSION CHARACTERISTICS WITHIN DOWN-FIRED BOILERS.ENERGY. VOL. 69. ISSUE . P. 144-178 73 91% 14
2 WANG, QX , CHEN, ZC , CHE, MM , ZENG, LY , LI, ZQ , SONG, MH , (2016) EFFECT OF DIFFERENT INNER SECONDARY-AIR VANE ANGLES ON COMBUSTION CHARACTERISTICS OF PRIMARY COMBUSTION ZONE FOR A DOWN-FIRED 300-MWE UTILITY BOILER WITH OVERFIRE AIR.APPLIED ENERGY. VOL. 182. ISSUE . P. 29 -38 33 97% 0
3 LING, ZQ , LING, B , KUANG, M , LI, ZQ , LU, Y , (2017) COMPARISON OF AIRFLOW, COAL COMBUSTION, NOX EMISSIONS, AND SLAGGING CHARACTERISTICS AMONG THREE LARGE-SCALE MBEL DOWN-FIRED BOILERS MANUFACTURED AT DIFFERENT TIMES.APPLIED ENERGY. VOL. 187. ISSUE . P. 689 -705 40 73% 0
4 SHI, L , FU, ZG , DUAN, XN , CHENG, CY , SHEN, YZ , LIU, BH , WANG, RX , (2016) INFLUENCE OF COMBUSTION SYSTEM RETROFIT ON NOX FORMATION CHARACTERISTICS IN A 300 MW TANGENTIALLY FIRED FURNACE.APPLIED THERMAL ENGINEERING. VOL. 98. ISSUE . P. 766 -777 28 90% 2
5 CHEN, ZC , WANG, QX , WANG, BN , ZENG, LY , CHE, MM , ZHANG, X , LI, ZQ , (2017) ANTHRACITE COMBUSTION CHARACTERISTICS AND NOX FORMATION OF A 300 MWE DOWN-FIRED BOILER WITH SWIRL BURNERS AT DIFFERENT LOADS AFTER THE IMPLEMENTATION OF A NEW COMBUSTION SYSTEM.APPLIED ENERGY. VOL. 189. ISSUE . P. 133 -141 31 89% 0
6 LIU, H , LIU, YH , YI, GZ , NIE, L , CHE, DF , (2013) EFFECTS OF AIR STAGING CONDITIONS ON THE COMBUSTION AND NOX EMISSION CHARACTERISTICS IN A 600 MW WALL FIRED UTILITY BOILER USING LEAN COAL.ENERGY & FUELS. VOL. 27. ISSUE 10. P. 5831-5840 29 85% 11
7 KUANG, M , LI, ZQ , JING, XJ , ZENG, XY , ZHAO, LF , LING, ZQ , (2013) CHARACTERIZATION OF COMBUSTION AND NOX EMISSIONS WITH RESPECT TO OVERFIRE AIR DAMPER OPENING IN A DOWN-FIRED PULVERIZED-COAL FURNACE.ENERGY & FUELS. VOL. 27. ISSUE 9. P. 5518-5526 26 96% 2
8 IBRAHIMOGLU, B , YILMAZOGLU, MZ , CUCEN, A , (2016) NUMERICAL MODELING OF REPOWERING OF A THERMAL POWER PLANT BOILER USING PLASMA COMBUSTION SYSTEMS.ENERGY. VOL. 103. ISSUE . P. 38 -48 35 66% 0
9 CHEN, ZC , LI, ZQ , ZHU, QY , JING, JP , (2011) GAS/PARTICLE FLOW AND COMBUSTION CHARACTERISTICS AND NOX EMISSIONS OF A NEW SWIRL COAL BURNER.ENERGY. VOL. 36. ISSUE 2. P. 709 -723 31 78% 15
10 LUO, R , LI, N , ZHANG, YF , WANG, DY , LIU, TS , ZHOU, QL , CHEN, X , (2016) EFFECT OF THE ADJUSTABLE INNER SECONDARY AIR-FLARING ANGLE OF SWIRL BURNER ON COAL-OPPOSED COMBUSTION.JOURNAL OF ENERGY ENGINEERING. VOL. 142. ISSUE 1. P. - 28 80% 0

Classes with closest relation at Level 1


Rank Class id link
1 8742 OXY FUEL//OXY FUEL COMBUSTION//OXY COMBUSTION
2 18520 MILD COMBUSTION//FLAMELESS COMBUSTION//HIGH TEMPERATURE AIR COMBUSTION
3 10509 NOX PRECURSORS//N 2 FORMATION//NITROGEN FUNCTIONALITY
4 9730 REBURNING//SNCR//SELECTIVE NON CATALYTIC REDUCTION
5 25824 BOILER FAILURES//BOILER TUBE//ECONOMISER TUBE
6 12097 SUWIC//GRATE COMBUSTION//WASTE INCINERAT
7 2458 SLAGGING//ASH DEPOSITION//CO COMBUSTION
8 15087 INVERSE RADIATION PROBLEM//FLAME MONITORING//INVERSE RADIATION ANALYSIS
9 16720 IGCC//COAL GASIFICATION//ENTRAINED FLOW GASIFIER
10 18466 POWER PLANT CONTROL//BOILER TURBINE UNIT//BOILER TURBINE

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