Title: Preliminary evaluation of the use of hydraulic air compressors in water-compensated reservoir compressed air storage power plants. [Entrainment of air bubbles by a column of downward-flowing water]
Abstract: A new air compression system for CAES applications, based on the hydraulic compressor principle, is described and evaluated. In addition to yielding a more efficient use of energy from the base power plant, due to isothermal air compression, the hydraulic air compressor does not require the conventional intercoolers and aftercooler, and it replaces the air compressors with water pumps. Using performance characteristics predicted with an analytical model, a hydraulic compression system for a CAES plant is designed and compared with an equivalent conventional air compression system. The results indicate that the hydraulic air compressor-based CAES system would use less compression energy but would likely be more costly due to the number and size of the water shafts required.
Publication Year: 1978
Publication Date: 1978-01-01
Language: en
Type: article
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