Calculating the thermal state of steam-cooled high-temperature elements of a turbine flow path: An analysis of different approaches

被引：0
|
作者：
Nazarov V.V. [1 ]
Kortikov N.N. [2 ]
Mironova M.V. [1 ]
机构：
[1] Leningrad Metal Works, OAO Silovye Mashiny, St. Petersburg 195009, ul. Vatutina 3, lit. A
[2] St. Petersburg State Polytechnic University, St. Petersburg 195251
来源：
Thermal Engineering | 2011年 / 58卷 / 9期
关键词：
Steam; Steam Turbine; Rotor Surface; Rotational Reynolds Number; Steam Admission;
D O I：
10.1134/S0040601511090084
中图分类号：
学科分类号：
摘要：
We present the results from a 3D numerical calculation aimed at analyzing the thermal state of the steam-cooled segment of the flow path of a double-flow intermediate-pressure cylinder used in a steam turbine for ultrasupercritical steam conditions. It is shown that the circumferential nonuniformity of metal temperature on the end-face surfaces of disks and on the rotor surface may be disregarded when the turbine runs at the nominal frequency of rotation. © 2011 Pleiades Publishing, Ltd.
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页码：730 / 735
页数：5
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