Výsledky vyhledávání - "Golliard, J."

Damping and source strength characteristics of corrugated pipes: influence gap width

Autor: Belfroid, S.P.C., González Díez, N., Golliard, J., Lunde, K., Naess, S.

Publikováno v: Proceedings of the 9th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, Flow-Induced Vibration & Noise

To be able to predict the onset of flow induced pulsations in real risers, with variations in corrugation geometry and process conditions along the risers, a set of experiments was done with a variation of gap width and Reynolds number. In addition t

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http://resolver.tudelft.nl/uuid:7d8453b8-b8a3-453c-a037-8a653b5321a9

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Acoustical damping in a circular pipe with an air-water mixture flow: a new setup design

Autor: Sanna, F., Golliard, J., Belfroid, S.P.C.

Publikováno v: 11th International Conference on Flow-Induced Vibration, 4-6 July 2016, Delft, The Netherlands

Damping in pipes quantifies the attenuation of the pressure amplitude due to losses. Applications with mixtures of two immiscible phases are common but limited studies on damping with multiphase flows in pipes are available. The purpose of this work

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Towards a universal scaling for broadband turbulent noise in internal flow devices

Autor: Jong, A.T. de, Golliard, J.

Publikováno v: ASME 2013 International Mechanical Engineering Congress and Exposition, IMECE 2013, 15-21 November 2013, San Diego, CA, USA, 14

An investigation is performed on the scalability of broadband noise sources from separated flows in internal pipe systems. Broadband sources from for example wellhead chokes, bends and valves can potentially excite subsea manifolds through fluid acou

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Aeroacoustics of a wall perforation in the pure grazing flow regime: effect of the perforation geometry

Autor: Tonon, D., Moers, Elise, Golliard, J., Hirschberg, Mico

Publikováno v: 18th AIAA/CEAS Aeroacoustics Conference (33rd AIAA Aeroacoustics Conference)

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https://research.tue.nl/nl/publications/1f1eaf1e-bf5a-4a47-9224-da88c761b8fa

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Experimental study of the effect of inserts on flow-induced pulsations at t-joints in ducts

Autor: Golliard, J., Groen, J.S.

Publikováno v: 18th AIAA/CEAS Aeroacoustics Conference 2012 (33rd AIAA Aeroacoustics Conference), 4-6 June 2012, Colorado Springs, Colorado, USA

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A Semi-Analytical Target Strength Model for Active Sonar Performance in Realistic Propagation Conditions

Autor: Schippers, P., Volker, A.W.F., Golliard, J., Jong, C. de

Publikováno v: Jesus, S.M.Rodriguez, O.C., Proceedings of the Eight European Conference on Underwater Acoustics-8th ECUA, 12-15 June 2006, Carvoeiro, Portugal

Propagation and sonar performance are modelled by TNO’s ALMOST program, already being developed since the Eighties. It models propagation between sonar and target based on ray theory, including effects of sediment bottoms, reverberation and ambient

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Orifice Impedance Under Grazing Flow Measured with a Single Microphone Method

Autor: Kooijman, G., Golliard, J., Hirschberg, Abraham, Kempton, A.

Publikováno v: 10th AIAA/CEAS Aeroacoustics Conference 2004

The effect of one-sided grazing mean flow on the acoustical impedance of rectangular orifices is measured at low Mach number and low Helmholtz number by means of a single microphone method. The results are fairly consistent with previous experimental

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https://doi.org/10.2514/6.2004-2846

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