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Dynamic response to turbulence of tethered lighter than air platforms

Dynamic response to turbulence of tethered lighter than air platforms
Dynamic response to turbulence of tethered lighter than air platforms
The study presented in this paper concerns the development of an algorithm, based on finite element analysis, for
the dynamic simulation of a tethered lighter-than-air balloon when subjected to operational conditions. The main
features of the algorithm are described, highlighting the advantages of this approach when performing dynamic
analysis. The input parameters considered in the method are derived from experimental and simulated data, which
are elaborated to obtain the static and dynamic atmospheric properties in terms of mean windspeed profile, discrete
gusts, and continuous turbulence. In particular, the algorithm is employed to perform a thorough analysis of a specific high-altitude tethered platform operating in a realistic design scenario. The dynamic behavior of the system is evaluated in terms of displacements and tether forces. The results, even though they are obtained for a specific example application, demonstrate the general viability of the algorithm proposed for the evaluation of the dynamic response of high-altitude tethered platforms and for the preliminary assessment of the technical feasibility of these systems.
0021-8669
540-552
Redi, S.
7f2019da-c012-4416-8f70-5b2684f8ec83
Aglietti, G.S.
e44d0dd4-0f71-4399-93d2-b802365cfb9e
Tatnall, A.R.L.
2c9224b6-4faa-4bfd-9026-84e37fa6bdf3
Markvart, T.
f21e82ec-4e3b-4485-9f27-ffc0102fdf1c
Redi, S.
7f2019da-c012-4416-8f70-5b2684f8ec83
Aglietti, G.S.
e44d0dd4-0f71-4399-93d2-b802365cfb9e
Tatnall, A.R.L.
2c9224b6-4faa-4bfd-9026-84e37fa6bdf3
Markvart, T.
f21e82ec-4e3b-4485-9f27-ffc0102fdf1c

Redi, S., Aglietti, G.S., Tatnall, A.R.L. and Markvart, T. (2011) Dynamic response to turbulence of tethered lighter than air platforms. Journal of Aircraft, 48 (2), 540-552. (doi:10.2514/1.C031137).

Record type: Article

Abstract

The study presented in this paper concerns the development of an algorithm, based on finite element analysis, for
the dynamic simulation of a tethered lighter-than-air balloon when subjected to operational conditions. The main
features of the algorithm are described, highlighting the advantages of this approach when performing dynamic
analysis. The input parameters considered in the method are derived from experimental and simulated data, which
are elaborated to obtain the static and dynamic atmospheric properties in terms of mean windspeed profile, discrete
gusts, and continuous turbulence. In particular, the algorithm is employed to perform a thorough analysis of a specific high-altitude tethered platform operating in a realistic design scenario. The dynamic behavior of the system is evaluated in terms of displacements and tether forces. The results, even though they are obtained for a specific example application, demonstrate the general viability of the algorithm proposed for the evaluation of the dynamic response of high-altitude tethered platforms and for the preliminary assessment of the technical feasibility of these systems.

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Published date: March 2011
Organisations: Astronautics Group

Identifiers

Local EPrints ID: 179477
URI: http://eprints.soton.ac.uk/id/eprint/179477
ISSN: 0021-8669
PURE UUID: 595c45f6-efbf-4b07-a1bd-95623360d7fa

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Date deposited: 01 Apr 2011 14:03
Last modified: 14 Mar 2024 02:49

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Contributors

Author: S. Redi
Author: G.S. Aglietti
Author: A.R.L. Tatnall
Author: T. Markvart

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