Viscothermal damping in thin gas or fluid layers

W.M. Beltman; T.G.H. Basten; H. Tijdeman

Viscothermal damping in thin gas or fluid layers

W.M. Beltman, T.G.H. Basten, H. Tijdeman

Faculty of Engineering Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

2 Citations (Scopus)

36 Downloads (Pure)

Abstract

This paper deals with viscothermal wave propagation, including acousto-elastic interaction, For wave propagation in thin gas of fluid layers, the effects of viscosity and thermal conductivity have to be accounted for. These effects can introduce a significant dissipation of energy. A model to describe viscothermal wave propagation was developed. It includes the effect on inertia, viscosity, compressibility and thermal conductivity. It was written in terms of dimensionless parameters. These parameters govern the validity of simplifications and they can be used to put models into perspective. The viscothermal model is validated with specially designed experiments. A numerical finite element model was developed that includes the full acousto-elastic coupling. This model was also validated with experiments. The influence of barriers in a thin layers was investigated experimentally. Finally, the new techniques were applied to a number of practical problems: the damping of double wall panels and the dynamical behavior of a folded array of solar panels during launch.

Original language	English
Title of host publication	Adaptive Structures and Material Systems 1999
Subtitle of host publication	presented at the 1999 ASME International Mechanical Engineering Congress and Exposition : November 14-19, 1999, Nashville, Tennessee
Editors	Greg Washington, James M. Redmond
Place of Publication	New York, NY
Publisher	American Society of Mechanical Engineers (ASME)
Pages	387-395
ISBN (Print)	9780791816424
Publication status	Published - 1999
Event	ASME International Mechanical Engineering Congress & Exposition, IMECE 1999 - Nashville, United States Duration: 14 Nov 1999 → 16 Nov 1999

Conference

Conference	ASME International Mechanical Engineering Congress & Exposition, IMECE 1999
Abbreviated title	IMECE
Country	United States
City	Nashville
Period	14/11/99 → 16/11/99

Keywords

IR-58812

Access to Document

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Beltman, W. M., Basten, T. G. H., & Tijdeman, H. (1999). Viscothermal damping in thin gas or fluid layers. In G. Washington, & J. M. Redmond (Eds.), Adaptive Structures and Material Systems 1999: presented at the 1999 ASME International Mechanical Engineering Congress and Exposition : November 14-19, 1999, Nashville, Tennessee (pp. 387-395). American Society of Mechanical Engineers (ASME).

Beltman, W.M. ; Basten, T.G.H. ; Tijdeman, H. / Viscothermal damping in thin gas or fluid layers. Adaptive Structures and Material Systems 1999: presented at the 1999 ASME International Mechanical Engineering Congress and Exposition : November 14-19, 1999, Nashville, Tennessee. editor / Greg Washington ; James M. Redmond. New York, NY : American Society of Mechanical Engineers (ASME), 1999. pp. 387-395

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title = "Viscothermal damping in thin gas or fluid layers",

abstract = "This paper deals with viscothermal wave propagation, including acousto-elastic interaction, For wave propagation in thin gas of fluid layers, the effects of viscosity and thermal conductivity have to be accounted for. These effects can introduce a significant dissipation of energy. A model to describe viscothermal wave propagation was developed. It includes the effect on inertia, viscosity, compressibility and thermal conductivity. It was written in terms of dimensionless parameters. These parameters govern the validity of simplifications and they can be used to put models into perspective. The viscothermal model is validated with specially designed experiments. A numerical finite element model was developed that includes the full acousto-elastic coupling. This model was also validated with experiments. The influence of barriers in a thin layers was investigated experimentally. Finally, the new techniques were applied to a number of practical problems: the damping of double wall panels and the dynamical behavior of a folded array of solar panels during launch.",

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booktitle = "Adaptive Structures and Material Systems 1999",

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address = "United States",

note = "ASME International Mechanical Engineering Congress & Exposition, IMECE 1999, IMECE ; Conference date: 14-11-1999 Through 16-11-1999",

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Beltman, WM, Basten, TGH & Tijdeman, H 1999, Viscothermal damping in thin gas or fluid layers. in G Washington & JM Redmond (eds), Adaptive Structures and Material Systems 1999: presented at the 1999 ASME International Mechanical Engineering Congress and Exposition : November 14-19, 1999, Nashville, Tennessee. American Society of Mechanical Engineers (ASME), New York, NY, pp. 387-395, ASME International Mechanical Engineering Congress & Exposition, IMECE 1999, Nashville, United States, 14/11/99.

Viscothermal damping in thin gas or fluid layers. / Beltman, W.M.; Basten, T.G.H.; Tijdeman, H.

Adaptive Structures and Material Systems 1999: presented at the 1999 ASME International Mechanical Engineering Congress and Exposition : November 14-19, 1999, Nashville, Tennessee. ed. / Greg Washington; James M. Redmond. New York, NY : American Society of Mechanical Engineers (ASME), 1999. p. 387-395.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic

TY - GEN

T1 - Viscothermal damping in thin gas or fluid layers

AU - Beltman, W.M.

AU - Basten, T.G.H.

AU - Tijdeman, H.

PY - 1999

Y1 - 1999

N2 - This paper deals with viscothermal wave propagation, including acousto-elastic interaction, For wave propagation in thin gas of fluid layers, the effects of viscosity and thermal conductivity have to be accounted for. These effects can introduce a significant dissipation of energy. A model to describe viscothermal wave propagation was developed. It includes the effect on inertia, viscosity, compressibility and thermal conductivity. It was written in terms of dimensionless parameters. These parameters govern the validity of simplifications and they can be used to put models into perspective. The viscothermal model is validated with specially designed experiments. A numerical finite element model was developed that includes the full acousto-elastic coupling. This model was also validated with experiments. The influence of barriers in a thin layers was investigated experimentally. Finally, the new techniques were applied to a number of practical problems: the damping of double wall panels and the dynamical behavior of a folded array of solar panels during launch.

AB - This paper deals with viscothermal wave propagation, including acousto-elastic interaction, For wave propagation in thin gas of fluid layers, the effects of viscosity and thermal conductivity have to be accounted for. These effects can introduce a significant dissipation of energy. A model to describe viscothermal wave propagation was developed. It includes the effect on inertia, viscosity, compressibility and thermal conductivity. It was written in terms of dimensionless parameters. These parameters govern the validity of simplifications and they can be used to put models into perspective. The viscothermal model is validated with specially designed experiments. A numerical finite element model was developed that includes the full acousto-elastic coupling. This model was also validated with experiments. The influence of barriers in a thin layers was investigated experimentally. Finally, the new techniques were applied to a number of practical problems: the damping of double wall panels and the dynamical behavior of a folded array of solar panels during launch.

KW - IR-58812

M3 - Conference contribution

SN - 9780791816424

SP - 387

EP - 395

BT - Adaptive Structures and Material Systems 1999

A2 - Washington, Greg

A2 - Redmond, James M.

PB - American Society of Mechanical Engineers (ASME)

CY - New York, NY

T2 - ASME International Mechanical Engineering Congress & Exposition, IMECE 1999

Y2 - 14 November 1999 through 16 November 1999

ER -

Beltman WM, Basten TGH, Tijdeman H. Viscothermal damping in thin gas or fluid layers. In Washington G, Redmond JM, editors, Adaptive Structures and Material Systems 1999: presented at the 1999 ASME International Mechanical Engineering Congress and Exposition : November 14-19, 1999, Nashville, Tennessee. New York, NY: American Society of Mechanical Engineers (ASME). 1999. p. 387-395