Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters

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Izvoz citacije: ABNT
ALAGIĆ, Sandira ;BULJUBAŠIĆ, Indira ;STOŠIĆ, Nikola ;KOVAČEVIĆ, Ahmed .
Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 51, n.7-8, p. 411-417, august 2017. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/sl/article/numerical-analysis-of-heat-transfer-and-fluid-flow-in-rotary-regenerative-air-pre-heaters/>. Date accessed: 12 nov. 2019. 
doi:http://dx.doi.org/.
Alagić, S., Buljubašić, I., Stošić, N., & Kovačević, A.
(2005).
Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters.
Strojniški vestnik - Journal of Mechanical Engineering, 51(7-8), 411-417.
doi:http://dx.doi.org/
@article{.,
	author = {Sandira  Alagić and Indira  Buljubašić and Nikola  Stošić and Ahmed  Kovačević},
	title = {Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {51},
	number = {7-8},
	year = {2005},
	keywords = {Numerical analysis; heat transfer; fluid flow; air pre-heaters; },
	abstract = {The Ljungström rotary air pre-heater is a regenerative heat exchanger used for preheating the combustion air, mainly in steam boiler plant. The hot gas and cold air ducts are arranged to allow both the flue gas and the inlet air to flow simultaneously through the machine. The hot flue gas heats the rotor material and as the rotor rotates, the hot rotor section moves into the flow of the cold air and preheats it. Existing simulations of regenerative air pre-heaters are mainly based on empirical approximations where some of the effects of the process are neglected. Although this usually gives reasonably acceptable results, it was thought that CCM analysis of such devices, which stands for Computational Continuum Mechanics, would result in a better understanding of the process features, such as the fluid-solid interaction. A grid interface was developed to transfer the geometry of such a Ljungström air pre-heater to a finite volume numerical mesh which is later used for the calculation of unsteady fluid-solid interactions. Results were obtained by use of the commercial CCM solver ”Comet” of Star CD. In this paper the results are presented in the form of diagrams of the velocity and temperature fields as functions of time and space. The results of both the one- and three-dimensional calculations and field measurements are compared and good agreement was achieved. The result of this study is the development of an effective procedure for computer calculation of processes in a Ljungström air pre-heater to optimise its parameters, which can be used either for research and development or in everyday engineering practice.},
	issn = {0039-2480},	pages = {411-417},	doi = {},
	url = {https://www.sv-jme.eu/sl/article/numerical-analysis-of-heat-transfer-and-fluid-flow-in-rotary-regenerative-air-pre-heaters/}
}
Alagić, S.,Buljubašić, I.,Stošić, N.,Kovačević, A.
2005 August 51. Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 51:7-8
%A Alagić, Sandira 
%A Buljubašić, Indira 
%A Stošić, Nikola 
%A Kovačević, Ahmed 
%D 2005
%T Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters
%B 2005
%9 Numerical analysis; heat transfer; fluid flow; air pre-heaters; 
%! Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters
%K Numerical analysis; heat transfer; fluid flow; air pre-heaters; 
%X The Ljungström rotary air pre-heater is a regenerative heat exchanger used for preheating the combustion air, mainly in steam boiler plant. The hot gas and cold air ducts are arranged to allow both the flue gas and the inlet air to flow simultaneously through the machine. The hot flue gas heats the rotor material and as the rotor rotates, the hot rotor section moves into the flow of the cold air and preheats it. Existing simulations of regenerative air pre-heaters are mainly based on empirical approximations where some of the effects of the process are neglected. Although this usually gives reasonably acceptable results, it was thought that CCM analysis of such devices, which stands for Computational Continuum Mechanics, would result in a better understanding of the process features, such as the fluid-solid interaction. A grid interface was developed to transfer the geometry of such a Ljungström air pre-heater to a finite volume numerical mesh which is later used for the calculation of unsteady fluid-solid interactions. Results were obtained by use of the commercial CCM solver ”Comet” of Star CD. In this paper the results are presented in the form of diagrams of the velocity and temperature fields as functions of time and space. The results of both the one- and three-dimensional calculations and field measurements are compared and good agreement was achieved. The result of this study is the development of an effective procedure for computer calculation of processes in a Ljungström air pre-heater to optimise its parameters, which can be used either for research and development or in everyday engineering practice.
%U https://www.sv-jme.eu/sl/article/numerical-analysis-of-heat-transfer-and-fluid-flow-in-rotary-regenerative-air-pre-heaters/
%0 Journal Article
%R 
%& 411
%P 7
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 51
%N 7-8
%@ 0039-2480
%8 2017-08-18
%7 2017-08-18
Alagić, Sandira, Indira  Buljubašić, Nikola  Stošić, & Ahmed  Kovačević.
"Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters." Strojniški vestnik - Journal of Mechanical Engineering [Online], 51.7-8 (2005): 411-417. Web.  12 Nov. 2019
TY  - JOUR
AU  - Alagić, Sandira 
AU  - Buljubašić, Indira 
AU  - Stošić, Nikola 
AU  - Kovačević, Ahmed 
PY  - 2005
TI  - Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - Numerical analysis; heat transfer; fluid flow; air pre-heaters; 
N2  - The Ljungström rotary air pre-heater is a regenerative heat exchanger used for preheating the combustion air, mainly in steam boiler plant. The hot gas and cold air ducts are arranged to allow both the flue gas and the inlet air to flow simultaneously through the machine. The hot flue gas heats the rotor material and as the rotor rotates, the hot rotor section moves into the flow of the cold air and preheats it. Existing simulations of regenerative air pre-heaters are mainly based on empirical approximations where some of the effects of the process are neglected. Although this usually gives reasonably acceptable results, it was thought that CCM analysis of such devices, which stands for Computational Continuum Mechanics, would result in a better understanding of the process features, such as the fluid-solid interaction. A grid interface was developed to transfer the geometry of such a Ljungström air pre-heater to a finite volume numerical mesh which is later used for the calculation of unsteady fluid-solid interactions. Results were obtained by use of the commercial CCM solver ”Comet” of Star CD. In this paper the results are presented in the form of diagrams of the velocity and temperature fields as functions of time and space. The results of both the one- and three-dimensional calculations and field measurements are compared and good agreement was achieved. The result of this study is the development of an effective procedure for computer calculation of processes in a Ljungström air pre-heater to optimise its parameters, which can be used either for research and development or in everyday engineering practice.
UR  - https://www.sv-jme.eu/sl/article/numerical-analysis-of-heat-transfer-and-fluid-flow-in-rotary-regenerative-air-pre-heaters/
@article{{}{.},
	author = {Alagić, S., Buljubašić, I., Stošić, N., Kovačević, A.},
	title = {Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {51},
	number = {7-8},
	year = {2005},
	doi = {},
	url = {https://www.sv-jme.eu/sl/article/numerical-analysis-of-heat-transfer-and-fluid-flow-in-rotary-regenerative-air-pre-heaters/}
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TY  - JOUR
AU  - Alagić, Sandira 
AU  - Buljubašić, Indira 
AU  - Stošić, Nikola 
AU  - Kovačević, Ahmed 
PY  - 2017/08/18
TI  - Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 51, No 7-8 (2005): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 
KW  - Numerical analysis, heat transfer, fluid flow, air pre-heaters, 
N2  - The Ljungström rotary air pre-heater is a regenerative heat exchanger used for preheating the combustion air, mainly in steam boiler plant. The hot gas and cold air ducts are arranged to allow both the flue gas and the inlet air to flow simultaneously through the machine. The hot flue gas heats the rotor material and as the rotor rotates, the hot rotor section moves into the flow of the cold air and preheats it. Existing simulations of regenerative air pre-heaters are mainly based on empirical approximations where some of the effects of the process are neglected. Although this usually gives reasonably acceptable results, it was thought that CCM analysis of such devices, which stands for Computational Continuum Mechanics, would result in a better understanding of the process features, such as the fluid-solid interaction. A grid interface was developed to transfer the geometry of such a Ljungström air pre-heater to a finite volume numerical mesh which is later used for the calculation of unsteady fluid-solid interactions. Results were obtained by use of the commercial CCM solver ”Comet” of Star CD. In this paper the results are presented in the form of diagrams of the velocity and temperature fields as functions of time and space. The results of both the one- and three-dimensional calculations and field measurements are compared and good agreement was achieved. The result of this study is the development of an effective procedure for computer calculation of processes in a Ljungström air pre-heater to optimise its parameters, which can be used either for research and development or in everyday engineering practice.
UR  - https://www.sv-jme.eu/sl/article/numerical-analysis-of-heat-transfer-and-fluid-flow-in-rotary-regenerative-air-pre-heaters/
Alagić, Sandira, Buljubašić, Indira, Stošić, Nikola, AND Kovačević, Ahmed.
"Numerical analysis of heat transfer and fluid flow in rotary regenerative air pre-heaters" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 51 Number 7-8 (18 August 2017)

Avtorji

Inštitucije

  • University of Tuzla, Faculty of Mechanical Engineering, Bosnia and Herzegovina
  • University of Tuzla, Faculty of Mechanical Engineering, Bosnia and Herzegovina
  • City University London, School of Engineering and Mathematical Sciences, UK
  • City University London, School of Engineering and Mathematical Sciences, UK

Informacije o papirju

Strojniški vestnik - Journal of Mechanical Engineering 51(2005)7-8, 411-417

The Ljungström rotary air pre-heater is a regenerative heat exchanger used for preheating the combustion air, mainly in steam boiler plant. The hot gas and cold air ducts are arranged to allow both the flue gas and the inlet air to flow simultaneously through the machine. The hot flue gas heats the rotor material and as the rotor rotates, the hot rotor section moves into the flow of the cold air and preheats it. Existing simulations of regenerative air pre-heaters are mainly based on empirical approximations where some of the effects of the process are neglected. Although this usually gives reasonably acceptable results, it was thought that CCM analysis of such devices, which stands for Computational Continuum Mechanics, would result in a better understanding of the process features, such as the fluid-solid interaction. A grid interface was developed to transfer the geometry of such a Ljungström air pre-heater to a finite volume numerical mesh which is later used for the calculation of unsteady fluid-solid interactions. Results were obtained by use of the commercial CCM solver ”Comet” of Star CD. In this paper the results are presented in the form of diagrams of the velocity and temperature fields as functions of time and space. The results of both the one- and three-dimensional calculations and field measurements are compared and good agreement was achieved. The result of this study is the development of an effective procedure for computer calculation of processes in a Ljungström air pre-heater to optimise its parameters, which can be used either for research and development or in everyday engineering practice.

Numerical analysis; heat transfer; fluid flow; air pre-heaters;