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M. B. Widden, M. J. French and G. A. Aggidis, “Economic Energy from Low-Head Water by Conversion to Air Pressure,” Proceedings of Hydropower 2004 World Class Engineering in a Challenging Environment Symposium, Lancaster University, London, 2004, pp. 1-10.

has been cited by the following article:

• TITLE: Performance Analysis of Low Head Hydraulic Air Compressor

  AUTHORS: Walid Aniss Aissa, Salama Abdel-Hady Mohamed, Kamal Abdel-Fatah Ahmed

  KEYWORDS: Experimental, Hydraulic Air Compressor, Performance

  JOURNAL NAME: Smart Grid and Renewable Energy, Vol.1 No.1, June 8, 2010

  ABSTRACT: Hydraulic Air Compressor (HAC) is a device which converts hydraulic energy to energy of compressed air. A better exploitation of this hydraulic resource is currently investigated. The aim of the current work is to analyze a low head open type HAC in terms of compression ratio and HAC efficiency. The performance of HAC is both experimentally and theoretically investigated for various air admission system parameters (air tube length and diameter), downcomer length and hydraulic head. The results are both presented and discussed. Variation of the mean diameter of air bubbles in the downward flow in the downcomer is both determined and investigated. The losses in the whole system are classified, investigated and its impact on HAC is discussed.