外文翻译储氢风力涡轮机水塔.docxVIP

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外文翻译储氢风力涡轮机水塔

外文翻译Hydorgen storage in wind turbine towersInternational Journal of Hydrogen Energy 29 (2004) 1277–1288 Ryan Kottenstettea, Jason Cotrellb; aSummer intern from Santa Clara University, 1235 Monroe St, Santa Clara, CA 95050, USA National Wind Technology Centre, National Renewable Energy Laboratory, 1614 Cole Blvd, Golden, CO 80401, USA Received 18 November 2003; accepted 15 December 2003 Abstract: Modern utility-scale wind turbine towers are typically conical steel hydrogen in what we have termed a hydrogen tower. This paper examines potential technical barriers to this technology and identi4es a minimum cost design. We discovered that hydrogen towers have a “crossover pressure” at which the critical mode of failure crosses over from fatigue to bursting. The crossover pressure for many turbine towers is between 1.0 and 1:5 mPa (approximately 10–15 atm) The hydrogen tower design resulting in the least expensive hydrogen storage uses all of the available volume for storage and is designed at its crossover an additional $83,000 beyond the cost of the conventional tower) and would store 940 kg of hydrogen at1:1 mPa of pressure. The resulting incremental storage cost of $88/kg is approximately 30% of that for conventional pressure vessels. Published by Elsevier Ltd on behalf of the International Association for Hydrogen Energy. Keywords: Wind turbine; Tower; Hydrogen; Storage; Pressure vessel1. IntroductionLow-cost hydrogen storage is recognized as a cornerstone of a renewables-hydrogen economy. Modern utility-scale wind turbine towers are typically conical steel structures that, in addition to supporting the nacelle, could be used to store gaseous hydrogen. We have coined the phrase hydrogen tower to describe this technology. During hours, electrolyzers could use energy from the wind turbines or the grid to generate hydrogen and store it in turbine towers. There are many potential uses for this stored fuel. The stored hydrogen could later be used to generate electricity

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