recovering energy at entry of natural gas into customer premises by employing a counter-flow vortex tube récupération d’énergie à l’arrivée du gaz naturel dans les installations des usagers grâce à l’emploi d’un tube vortex à contre-courant

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ID: 188889
2010
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Abstract
Throttling valves are currently utilised to reduce high-pressure natural gas flowing through the distribution pipeline to the working level of customers’ equipment. This wastes valuable energy of the gas. Due to low natural gas consumption at customer premises, it is not feasible to utilise expansion machines. In this study, a new idea is proposed to take advantage of the Vortex Tube and natural gas pressure reduction. The idea is to replace the throttling valve with a Vortex Tube in the natural gas pressure reduction system and take advantage of the generated cooling capacity. An experimental investigation was made to determine the effects of the cold orifice diameter and the energy separation of the counter-flow Vortex Tube when air and natural gas are used as the fluid. The energy separation was investigated by use of the experimentally obtained data.
La reduction de la pression de gaz naturel entre les conduites de distribution haute pression et les installations des usagers est aujourd’hui assuree par des vannes de reduction de pression. Ce dispositif entraine une perte importante du contenu energetique du gaz. Les installations des usagers consommant trop peu de gaz naturel pour envisager d’avoir recours a des dispositifs d’expansion, notre etude explore les avantages potentiels de l’utilisation d’un tube Vortex pour la reduction de la pression de gaz naturel. Il s’agit de remplacer la vanne de reduction de pression par un tube Vortex dans le dispositif de reduction de la pression de gaz naturel et de tirer profit de la capacite de refroidissement produite. L’etude experimentale avait pour objectif de determiner l’effet du diametre de l’orifice froid ainsi que de l’utilisation de l’air et du gaz naturel comme fluides sur la production d’energie dans le tube Vortex a contre-courant. Le taux de recuperation de l’energie est determine a partir des mesures experimentales.
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m.2010oilrecovering Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Farzaneh-Gord M.;Kargaran M.
Journal addiction (abingdon, england)
Year 2010
DOI
10.2516/ogst/2009074
URL
http://dx.doi.org/10.2516/ogst/2009074
Keywords
fuel trade energy policy chemical technologyenergy industries

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