
Ð”Ð°Ð½Ð½Ð°Ñ Ñ€Ð°Ð±Ð¾Ñ‚Ð° поÑвÑщена раÑчётному иÑÑледованию возможноÑти Ð¿Ñ€Ð¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ñтупени конÑтрукции ЛПИ в мощной паровой турбине на базе К-800-240-5. Задачи, которые решалиÑÑŒ в ходе иÑÑледованиÑ: 1. РаÑчет проточной чаÑти по предварительно заданному количеÑтву Ñтупеней; 2. Проектировочный раÑчет традиционной регулирующей Ñтупени в программе OPTI; 3. РаÑчет проточной чаÑти ЦВД в программе OPTI; 4. Предварительный раÑчет в программе Turbo; 5. ТеплотехничеÑкий раÑчет регулирующей Ñтупени ЛПИ Ñ Ð¿Ð¾Ð¼Ð¾Ñ‰ÑŒÑŽ программы ONE. Ð’ работе предÑтавлено раÑчетное иÑÑледование регулирующей Ñтупени паровой турбины на базе К-800-240-5. Предложено и обоÑнована возможноÑть иÑÐ¿Ð¾Ð»ÑŒÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾Ð½Ñтрукции регулирующей Ñтупени на базе профилей ЛПИ в мощной паровой турбине. Ð’ результате была произведены и проанализированы различные раÑчеты регулирующей Ñтупени конÑтрукции ЛПИ. Доказана возможноÑть ÑÑ€Ð°Ð±Ð°Ñ‚Ñ‹Ð²Ð°Ð½Ð¸Ñ Ð±Ð¾Ð»ÑŒÑˆÐ¾Ð³Ð¾ перепада Ñнтальпий в новой регулирующей Ñтупени Ñ Ð¾Ð´Ð½Ð¾Ð²Ñ€ÐµÐ¼ÐµÐ½Ð½Ñ‹Ð¼ повышением КПД и мощноÑти Ñтупени.
This work is devoted to a computational study of the application feasibility of the LPI design control stage in a high-power steam turbine based on K-800-240-5. The research goals are: 1. Calculation of the flow channel according to a predetermined number of steps; 2. Design calculation of the traditional control stage using the OPTI program; 3. Calculation of the flow channel of the HPC in the OPTI program; 4. Preliminary design in the Turbo program; 5. Thermo-technical calculation of the control stage with the LPI design using the ONE program. The paper presents a computational study of the control stage of a steam turbine based on K-800-240-5. The possibility of using the design of the control stage based on the LPI profiles in a high-power steam turbine is proposed and justified. As a result, various calculations of the control stage with the LPI design were made and analyzed. The possibility of operation with a large enthalpy drop in a new control stage with a simultaneous increase in efficiency and power of the stage is proved.
LPI design, Ð-800-240-5, ÑегÑлиÑÑÑÑÐ°Ñ ÑÑÑпенÑ, stage efficiency, конÑÑÑÑкÑÐ¸Ñ ÐÐÐ, K-800-240-5, steam turbine, паÑÐ¾Ð²Ð°Ñ ÑÑÑбина, control stage, ÐÐÐ ÑÑÑпени
LPI design, Ð-800-240-5, ÑегÑлиÑÑÑÑÐ°Ñ ÑÑÑпенÑ, stage efficiency, конÑÑÑÑкÑÐ¸Ñ ÐÐÐ, K-800-240-5, steam turbine, паÑÐ¾Ð²Ð°Ñ ÑÑÑбина, control stage, ÐÐÐ ÑÑÑпени
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