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Nejat, Amir, Hamedi, Hossein. (1392). Numerical investigation of clocking in a two-stage gas turbine. , 1(1), 91-97. doi: 10.22059/ees.2013.2742
Amir Nejat; Hossein Hamedi. "Numerical investigation of clocking in a two-stage gas turbine". , 1, 1, 1392, 91-97. doi: 10.22059/ees.2013.2742
Nejat, Amir, Hamedi, Hossein. (1392). 'Numerical investigation of clocking in a two-stage gas turbine', , 1(1), pp. 91-97. doi: 10.22059/ees.2013.2742
Nejat, Amir, Hamedi, Hossein. Numerical investigation of clocking in a two-stage gas turbine. , 1392; 1(1): 91-97. doi: 10.22059/ees.2013.2742

Numerical investigation of clocking in a two-stage gas turbine

Energy Equipment and Systems
مقاله 7، دوره 1، شماره 1، مهر 2013، صفحه 91-97    اصل مقاله (1.63 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/ees.2013.2742
نویسندگان
Amir Nejat؛ Hossein Hamedi
School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
چکیده
Flow in the first two-stage of V 94.2 gas turbine is simulated numerically. In this turbine, the second stator is clocked relative to the first stator to different positions. Steady-state analysis was carried out by varying the circumferential relative position of the consecutive stator vanes to study the effects of the clocking on turbine performance. A density based compressible inviscid flow (Euler equations) solver is used for the flow simulation.  The efficiency analysis and entropy generation investigation are performed and the appropriate position of the second stator is obtained. The attained efficiency improvement matches the results obtained by the entropy generation analysis.
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