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HÁJEK, J. KERMES, V. ŠIKULA, J. STEHLÍK, P.
Original Title
Utilizing CFD as Efficient Tool for Improved Equipment Design
Type
journal article - other
Language
English
Original Abstract
This paper presents a case study dealing with heat recovery system in an incinerator of waste sludge from a pulp mill. The aim of this study is to find an optimised design of additional measures to be installed in the exhaust duct of the incinerator that would help to prevent fouling in a connected heat exchanger. Computational Fluid Dynamics (CFD) approach is a natural choice for this application as no experimental evaluation of proposed solutions can be performed. Input data are obtained from the process using simpler balance-based approaches. CFD analysis is first used to find what causes the fouling and then to optimise the duct design in order to eliminate the undesirable phenomena. Several solution alternatives are proposed consisting of sets of vanes with different geometries. The finite volume model employed in the computations is described and the adopted approach, assumptions and simplifications are discussed. The studied alternatives are evaluated and the best of them is found using a flow uniformity index based on velocity distribution in a reference cross-section. It is concluded that the insight gained by CFD analysis is decisive for arriving at an improved design in this application.
Key words in English
CFD, modelling
Authors
HÁJEK, J.; KERMES, V.; ŠIKULA, J.; STEHLÍK, P.
RIV year
2004
Released
1. 1. 2005
ISBN
0145-7632
Periodical
Heat Transfer Engineering
Year of study
26
Number
5
State
United States of America
Pages from
15
Pages to
24
Pages count
10
BibTex
@article{BUT46478, author="Jiří {Hájek} and Vít {Kermes} and Jiří {Šikula} and Petr {Stehlík}", title="Utilizing CFD as Efficient Tool for Improved Equipment Design", journal="Heat Transfer Engineering", year="2005", volume="26", number="5", pages="10", issn="0145-7632" }