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مهندسی حرارتی 2013
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • (prospective gas turbine and combined-cycle units for power engineering (a review

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 864
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the modern state of technology for making gas turbines around the world and heat-recovery combined-cycle units constructed on their basis are considered. the progress achieved in this field by siemens, mitsubishi, general electric, and alstom is analyzed, and the objectives these companies set forth for themselves for the near and more distant future are discussed. the 375-mw gas turbine unit with an efficiency of 40% produced by siemens, which is presently the largest one, is subjected to a detailed analysis. the main specific features of this turbine are that the gas turbine unit’s hot-path components have purely air cooling, due to which the installation has enhanced maneuverability. the single-shaft combined-cycle plant constructed on the basis of this turbine has a capacity of 570 mw and efficiency higher than 60%. programs adopted by different companies for development of new-generation gas turbine units firing synthesis gas and fitted with low-emission combustion chambers and new cooling systems are considered. concepts of rotor blades for new gas turbine units with improved thermal barrier coatings and composite blades different parts of which are made of materials selected in accordance with the conditions of their operation are discussed.

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