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Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler

Air; Boilers; Coal; Computational fluid dynamics; Flow graphs; Flow rate; Fluid mechanics; Particle size; Pulverized fuel; Pulverized fuel fired boilers; Shear stress; Statistical methods; Air flow-rate; Coal particle size; Optimum operations; Pulverized coals; Pulverized-coal pipes; Simulation and...

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Main Authors: Thrangaraju S.K., Munisamy K.M., Apparao R.
Other Authors: 57194038687
Format: Conference Paper
Published: Institute of Physics Publishing 2023
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spelling my.uniten.dspace-232512023-05-29T14:38:48Z Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler Thrangaraju S.K. Munisamy K.M. Apparao R. 57194038687 15035918600 57194031847 Air; Boilers; Coal; Computational fluid dynamics; Flow graphs; Flow rate; Fluid mechanics; Particle size; Pulverized fuel; Pulverized fuel fired boilers; Shear stress; Statistical methods; Air flow-rate; Coal particle size; Optimum operations; Pulverized coals; Pulverized-coal pipes; Simulation and results; Wall shear stress; Weighted averages; Shear flow This study mainly focuses on investigation on effect coal particle size on flow inside pulverized coal pipes for a utility boiler. The flow that is analyzed here will be the wall shear stress. The objective of the study is to determine the effect of coal particle size and effect of air flow rate on the wall shear stress of pulverized coal pipes. The individual wall shear stress which is computed as area weighted average of the pulverized coal pipes that is studied is compared and analyzed. There are total of 28 pulverized coal pipes in the power plant that is chosen as case study. The study is divided into two parts mainly the effect of coal particle size on the wall shear stress and the other is effect of air flow rate on the wall shear stress. In both configurations the wall shear stress is computed as area weighted average. Prior to simulation the file that is used to study the wall shear stress is modified using Gambit to improve results. The individual wall shear stress of all pipes coming out of a particular mill is observed after contours are developed using CFD tool like Ansys fluent. Parameters like coal flow rate and coal velocity are set in the simulation and results are generated Based on contours and developed graph from the simulation, the effect of both configuration is studied and the range of particle size and range of air flow rate which is suitable for the optimum operation of boiler is suggested. � Published under licence by IOP Publishing Ltd. Final 2023-05-29T06:38:48Z 2023-05-29T06:38:48Z 2017 Conference Paper 10.1088/1742-6596/822/1/012032 2-s2.0-85018444702 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85018444702&doi=10.1088%2f1742-6596%2f822%2f1%2f012032&partnerID=40&md5=e05195879035e548b89502a72903225d https://irepository.uniten.edu.my/handle/123456789/23251 822 1 12032 All Open Access, Gold Institute of Physics Publishing Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
description Air; Boilers; Coal; Computational fluid dynamics; Flow graphs; Flow rate; Fluid mechanics; Particle size; Pulverized fuel; Pulverized fuel fired boilers; Shear stress; Statistical methods; Air flow-rate; Coal particle size; Optimum operations; Pulverized coals; Pulverized-coal pipes; Simulation and results; Wall shear stress; Weighted averages; Shear flow
author2 57194038687
author_facet 57194038687
Thrangaraju S.K.
Munisamy K.M.
Apparao R.
format Conference Paper
author Thrangaraju S.K.
Munisamy K.M.
Apparao R.
spellingShingle Thrangaraju S.K.
Munisamy K.M.
Apparao R.
Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler
author_sort Thrangaraju S.K.
title Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler
title_short Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler
title_full Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler
title_fullStr Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler
title_full_unstemmed Investigation of flow inside pulverized coal (PC) pipes against coal particle size and air flow rate for a utility boiler
title_sort investigation of flow inside pulverized coal (pc) pipes against coal particle size and air flow rate for a utility boiler
publisher Institute of Physics Publishing
publishDate 2023
_version_ 1806424392594358272
score 13.222552

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