Wall shape optimization for a thermosyphon loop featuring corrugated pipes

Onderzoeksoutput: Boek/rapportRapportAcademic

57 Downloads (Pure)

Uittreksel

In the present paper we address the problem of optimal wall-shape design of a single phase laminar thermosyphon loop. The model takes the buoyancy forces into account via the Boussinesq approximation. We focus our study on showing the effects of wall shape on the flow and on the temperature inside the thermosyphon. To this extend we determine the dependency of the flow rate and the increase in temperature, on the geometrical characteristics of the loop. The geometry considered is a set of axially symmetric corrugated pipes described by a set of parameters; namely the pipe inner radius, the period of the corrugation, the amplitude of the corrugation, and the ratio of expansion and contraction regions of a period of the pipe. The governing equations are solved using the Finite Element Method, in combination with an adaptive mesh refinement technique in order to capture the effects of wall shape. We characterize the effects of the amplitude and of the ratio of expansion and contraction. In particular we show that for a given fixed amplitude it is possible to find an optimal ratio of expansion and contraction that minimizes the temperature inside the thermosyphon. The results show that by adequately choosing the design parameters, the performance of the thermosyphon loop can be improved. Keywords: Thermosyphon, Corrugated Pipes, Shape Optimization
Originele taal-2Engels
Plaats van productieEindhoven
UitgeverijTechnische Universiteit Eindhoven
Aantal pagina's8
StatusGepubliceerd - 2011

Publicatie series

NaamCASA-report
Volume1144
ISSN van geprinte versie0926-4507

Vingerafdruk

Thermosyphons
Shape optimization
Pipe
Buoyancy
Temperature
Flow rate
Finite element method
Geometry

Citeer dit

Rosen Esquivel, P. I., Thije Boonkkamp, ten, J. H. M., Dam, J. A. M., & Mattheij, R. M. M. (2011). Wall shape optimization for a thermosyphon loop featuring corrugated pipes. (CASA-report; Vol. 1144). Eindhoven: Technische Universiteit Eindhoven.
Rosen Esquivel, P.I. ; Thije Boonkkamp, ten, J.H.M. ; Dam, J.A.M. ; Mattheij, R.M.M. / Wall shape optimization for a thermosyphon loop featuring corrugated pipes. Eindhoven : Technische Universiteit Eindhoven, 2011. 8 blz. (CASA-report).
@book{5e48b6eeb35f4e6cb1284ded1724d77e,
title = "Wall shape optimization for a thermosyphon loop featuring corrugated pipes",
abstract = "In the present paper we address the problem of optimal wall-shape design of a single phase laminar thermosyphon loop. The model takes the buoyancy forces into account via the Boussinesq approximation. We focus our study on showing the effects of wall shape on the flow and on the temperature inside the thermosyphon. To this extend we determine the dependency of the flow rate and the increase in temperature, on the geometrical characteristics of the loop. The geometry considered is a set of axially symmetric corrugated pipes described by a set of parameters; namely the pipe inner radius, the period of the corrugation, the amplitude of the corrugation, and the ratio of expansion and contraction regions of a period of the pipe. The governing equations are solved using the Finite Element Method, in combination with an adaptive mesh refinement technique in order to capture the effects of wall shape. We characterize the effects of the amplitude and of the ratio of expansion and contraction. In particular we show that for a given fixed amplitude it is possible to find an optimal ratio of expansion and contraction that minimizes the temperature inside the thermosyphon. The results show that by adequately choosing the design parameters, the performance of the thermosyphon loop can be improved. Keywords: Thermosyphon, Corrugated Pipes, Shape Optimization",
author = "{Rosen Esquivel}, P.I. and {Thije Boonkkamp, ten}, J.H.M. and J.A.M. Dam and R.M.M. Mattheij",
year = "2011",
language = "English",
series = "CASA-report",
publisher = "Technische Universiteit Eindhoven",

}

Rosen Esquivel, PI, Thije Boonkkamp, ten, JHM, Dam, JAM & Mattheij, RMM 2011, Wall shape optimization for a thermosyphon loop featuring corrugated pipes. CASA-report, vol. 1144, Technische Universiteit Eindhoven, Eindhoven.

Wall shape optimization for a thermosyphon loop featuring corrugated pipes. / Rosen Esquivel, P.I.; Thije Boonkkamp, ten, J.H.M.; Dam, J.A.M.; Mattheij, R.M.M.

Eindhoven : Technische Universiteit Eindhoven, 2011. 8 blz. (CASA-report; Vol. 1144).

Onderzoeksoutput: Boek/rapportRapportAcademic

TY - BOOK

T1 - Wall shape optimization for a thermosyphon loop featuring corrugated pipes

AU - Rosen Esquivel, P.I.

AU - Thije Boonkkamp, ten, J.H.M.

AU - Dam, J.A.M.

AU - Mattheij, R.M.M.

PY - 2011

Y1 - 2011

N2 - In the present paper we address the problem of optimal wall-shape design of a single phase laminar thermosyphon loop. The model takes the buoyancy forces into account via the Boussinesq approximation. We focus our study on showing the effects of wall shape on the flow and on the temperature inside the thermosyphon. To this extend we determine the dependency of the flow rate and the increase in temperature, on the geometrical characteristics of the loop. The geometry considered is a set of axially symmetric corrugated pipes described by a set of parameters; namely the pipe inner radius, the period of the corrugation, the amplitude of the corrugation, and the ratio of expansion and contraction regions of a period of the pipe. The governing equations are solved using the Finite Element Method, in combination with an adaptive mesh refinement technique in order to capture the effects of wall shape. We characterize the effects of the amplitude and of the ratio of expansion and contraction. In particular we show that for a given fixed amplitude it is possible to find an optimal ratio of expansion and contraction that minimizes the temperature inside the thermosyphon. The results show that by adequately choosing the design parameters, the performance of the thermosyphon loop can be improved. Keywords: Thermosyphon, Corrugated Pipes, Shape Optimization

AB - In the present paper we address the problem of optimal wall-shape design of a single phase laminar thermosyphon loop. The model takes the buoyancy forces into account via the Boussinesq approximation. We focus our study on showing the effects of wall shape on the flow and on the temperature inside the thermosyphon. To this extend we determine the dependency of the flow rate and the increase in temperature, on the geometrical characteristics of the loop. The geometry considered is a set of axially symmetric corrugated pipes described by a set of parameters; namely the pipe inner radius, the period of the corrugation, the amplitude of the corrugation, and the ratio of expansion and contraction regions of a period of the pipe. The governing equations are solved using the Finite Element Method, in combination with an adaptive mesh refinement technique in order to capture the effects of wall shape. We characterize the effects of the amplitude and of the ratio of expansion and contraction. In particular we show that for a given fixed amplitude it is possible to find an optimal ratio of expansion and contraction that minimizes the temperature inside the thermosyphon. The results show that by adequately choosing the design parameters, the performance of the thermosyphon loop can be improved. Keywords: Thermosyphon, Corrugated Pipes, Shape Optimization

M3 - Report

T3 - CASA-report

BT - Wall shape optimization for a thermosyphon loop featuring corrugated pipes

PB - Technische Universiteit Eindhoven

CY - Eindhoven

ER -

Rosen Esquivel PI, Thije Boonkkamp, ten JHM, Dam JAM, Mattheij RMM. Wall shape optimization for a thermosyphon loop featuring corrugated pipes. Eindhoven: Technische Universiteit Eindhoven, 2011. 8 blz. (CASA-report).