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Influence of furnace tube shapeon thermal strain of fire-tube boilers

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2014
Nestorovic.pdf (907.4Kb)
Authors
Gaćeša, Branka M.
Maneski, Taško Dj.
Milošević-Mitić, Vesna O.
Nestorović, Miodrag S.
Petrović, Ana S.
Article (Published version)
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Abstract
The aim of this paper is to use numerical analysis and fine element method-FEM to investigate the influence of furnace tube shape on the thermal strain of firetube boilers. Thermal stresses in corrugated furnace tubes of different shape, i.e. with different corrugation pitch and depth, were analysed first. It was demonstrated that the thermal stresses in corrugated furnace tube are significantly reduced with the increase of corrugation depth. Than deformations and stresses in the structure of a fire-tube boiler were analysed in a real operating condition, for the cases of installed plain furnace tube and corrugated furnace tubes with different shapes. It was concluded that in this fire-tube boiler, which is of larger steam capacity, the corrugated furnace tube must be installed, as well as that the maximal stress in the construction is reduced by the installation of the furnace tube with greater corrugation depth. The analysis of stresses due to pressure and thermal loads po...inted out that thermal stresses are not lower-order stresses in comparison to stresses due to pressure loads, so they must be taken into consideration for boiler strength analysis.

Keywords:
Fire-tube boiler / Corrugated furnace tube / Thermal load / Pressure / Finite element analysis / Stress / Deformation
Source:
Thermal Science, 2014, 18, suppl.1, 39-47
Publisher:
  • VINCA Institute of Nuclear Sciences
Funding / projects:
  • Developed new methods for diagnosis and examination mechanical structures (RS-35040)
  • Pressure equipment integrity under simultaneous effect of fatigue loading and temperature (RS-35011)

DOI: 10.2298/TSCI130317172G

ISSN: 0354-9836

WoS: 000338690200006

Scopus: 2-s2.0-84907051973
[ Google Scholar ]
3
URI
https://raf.arh.bg.ac.rs/handle/123456789/1105
Collections
  • Publikacije istraživača / Researchers' publications
Institution/Community
Arhitektonski fakultet
TY  - JOUR
AU  - Gaćeša, Branka M.
AU  - Maneski, Taško Dj.
AU  - Milošević-Mitić, Vesna O.
AU  - Nestorović, Miodrag S.
AU  - Petrović, Ana S.
PY  - 2014
UR  - https://raf.arh.bg.ac.rs/handle/123456789/1105
AB  - The aim of this paper is to use numerical analysis and fine element method-FEM
to investigate the influence of furnace tube shape on the thermal strain of firetube boilers. Thermal stresses in corrugated furnace tubes of different shape, i.e.
with different corrugation pitch and depth, were analysed first. It was
demonstrated that the thermal stresses in corrugated furnace tube are
significantly reduced with the increase of corrugation depth. Than deformations
and stresses in the structure of a fire-tube boiler were analysed in a real
operating condition, for the cases of installed plain furnace tube and corrugated
furnace tubes with different shapes. It was concluded that in this fire-tube boiler,
which is of larger steam capacity, the corrugated furnace tube must be installed,
as well as that the maximal stress in the construction is reduced by the
installation of the furnace tube with greater corrugation depth. The analysis of
stresses due to pressure and thermal loads pointed out that thermal stresses are
not lower-order stresses in comparison to stresses due to pressure loads, so they
must be taken into consideration for boiler strength analysis.
PB  - VINCA Institute of Nuclear Sciences
T2  - Thermal Science
T1  - Influence of furnace tube shapeon thermal strain of fire-tube boilers
VL  - 18
IS  - suppl.1
SP  - 39
EP  - 47
DO  - 10.2298/TSCI130317172G
ER  - 
@article{
author = "Gaćeša, Branka M. and Maneski, Taško Dj. and Milošević-Mitić, Vesna O. and Nestorović, Miodrag S. and Petrović, Ana S.",
year = "2014",
abstract = "The aim of this paper is to use numerical analysis and fine element method-FEM
to investigate the influence of furnace tube shape on the thermal strain of firetube boilers. Thermal stresses in corrugated furnace tubes of different shape, i.e.
with different corrugation pitch and depth, were analysed first. It was
demonstrated that the thermal stresses in corrugated furnace tube are
significantly reduced with the increase of corrugation depth. Than deformations
and stresses in the structure of a fire-tube boiler were analysed in a real
operating condition, for the cases of installed plain furnace tube and corrugated
furnace tubes with different shapes. It was concluded that in this fire-tube boiler,
which is of larger steam capacity, the corrugated furnace tube must be installed,
as well as that the maximal stress in the construction is reduced by the
installation of the furnace tube with greater corrugation depth. The analysis of
stresses due to pressure and thermal loads pointed out that thermal stresses are
not lower-order stresses in comparison to stresses due to pressure loads, so they
must be taken into consideration for boiler strength analysis.",
publisher = "VINCA Institute of Nuclear Sciences",
journal = "Thermal Science",
title = "Influence of furnace tube shapeon thermal strain of fire-tube boilers",
volume = "18",
number = "suppl.1",
pages = "39-47",
doi = "10.2298/TSCI130317172G"
}
Gaćeša, B. M., Maneski, T. Dj., Milošević-Mitić, V. O., Nestorović, M. S.,& Petrović, A. S.. (2014). Influence of furnace tube shapeon thermal strain of fire-tube boilers. in Thermal Science
VINCA Institute of Nuclear Sciences., 18(suppl.1), 39-47.
https://doi.org/10.2298/TSCI130317172G
Gaćeša BM, Maneski TD, Milošević-Mitić VO, Nestorović MS, Petrović AS. Influence of furnace tube shapeon thermal strain of fire-tube boilers. in Thermal Science. 2014;18(suppl.1):39-47.
doi:10.2298/TSCI130317172G .
Gaćeša, Branka M., Maneski, Taško Dj., Milošević-Mitić, Vesna O., Nestorović, Miodrag S., Petrović, Ana S., "Influence of furnace tube shapeon thermal strain of fire-tube boilers" in Thermal Science, 18, no. suppl.1 (2014):39-47,
https://doi.org/10.2298/TSCI130317172G . .

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