The use of integral geared compressors (IGCs) is becoming increasingly popular in the process gas industry. IGCs offer certain unique advantages over inline type machines, making it ideally suited for real gas compression. Multiple rotor speeds can be effortlessly achieved by virtue of the gear ratios within each unit, thus resulting in an aerodynamically efficient design for the stages. The ability to cool the gas after every stage of compression using inter-coolers benefits the thermodynamic efficiencies. Multiple processes can be combined into one unit reducing overall costs and reduced real estate requirements. In this paper, the technical challenges associated with designing, building and testing these units have been presented. Case studies of applications of IGCs for real gas compression have also been presented.
- International Gas Turbine Institute
Application of Integral Geared Compressors in the Process Gas Industry
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Srinivasan, A, & Impastato, C. "Application of Integral Geared Compressors in the Process Gas Industry." Proceedings of the ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. Volume 5B: Oil and Gas Applications; Steam Turbines. San Antonio, Texas, USA. June 3–7, 2013. V05BT24A019. ASME. https://doi.org/10.1115/GT2013-95870
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