4 High-pressure Turbine. In many regards, the high-pressure turbine is the heart of a jet engine. The temperature capability of the turbine and its efficiency determine, to a
201711 · The geometry used for the unsteady computation is the first stage of GE-E 3 engine HP turbine. The HP turbine stage has 46 stator guide vanes and 76 rotor blades, respectively [35]. The unsteady computation is based on the transient stator-rotor interface model, which has a limitation of equal stator-rotor pitch angle.
2018113 · The study of High pressure turbine (HP turbine, HPT) is dependent on the development of engines. The characteristic parameters of some high pressure turbines,
20151229 · An unsteady computational study was carried out on GE-E 3 high pressure (HP) turbine at inflow turbulence intensities of 5%, 10%, and 20% accompanying with inlet hot streak (HS) at two circumferential positions (impinging and nonimpinging relative to vane leading edge) to analyze the interacted turbulence and HS influences.
2003827 · This paper describes the redesign of the HP turbine of the Rolls-Royce Trent 500 engine, making use of nonaxisymmetric end walls. The original, datum turbine
2019522 · HP Turbine (high-pressure turbine) is usually double-flow turbine element with an impulse control stage followed by reaction blading in each end of the element.
20221028 · Major upgrades include: (i) a combustor simulator able to produce engine radial and circumferential temperature profiles and inlet swirl simultaneously to study
202211 · Steam turbines are turbomachinery prime movers in which stator blades accelerate and swirl high-temperature and high-pressure (HP) steam that is provided
201711 · Abstract. Unsteady numerical studies were conducted on the effects of combustor exit total pressure non-uniformity and hot streak (HS) on the aero-thermal
202211 · Electric power generation is one of the main applications of steam turbines. Since increasing temperature and pressure of turbine inlet steam increase thermal efficiency, inlet steam pressures range from 24.1 to 33.0 MPa·g (mega Pascal plus atmospheric pressure), and temperatures range from 593°C/593°C [HP turbine
2024314 · designs steam turbines today for power ratings of up to 1,000 MW with live-steam conditions of 250–300 bar and 580 ̊C, and a reheat temperature of 600 ̊C.
200021 · The F404 HP turbine blades (considered for investigation) incorporate complex internal cooling channels, and therefore thermal mechanical fatigue is also produced by the restriction of free expansion due to the local constraints induced by the complex cooling passages and the design performance requirements of thin leading and
201791 · Modern turbines are characterised by high inlet temperature. This has implications for engine efficiency, which is expressed with a change of mass, cross-section and fuel consumption. In this
2019923 · Turbina HP – Turbina de vapor a alta presión. La mayoría de las plantas de energía nuclear opera un generador de turbina de eje único que consta de una turbina HP de etapas múltiples y tres turbinas LP de etapas múltiples paralelas, un generador principal y un excitador. La turbina HP ( turbina de alta presión) suele ser un elemento
20221231 · The current study deals with a single stage high-pressure turbine disk for a low bypass turbofan engine of 80 kN thrust class. The engine has a multistage Low Pressure (LP) compressor driven by a single stage LP turbine through LP shaft and a multistage axial flow high pressure (HP) compressor driven independently by a single
3 · Three Casings (HP Turbine - IP Turbine - LP Turbine) Four Casings (HP Turbine - IP Turbine - LP Turbine×2) Five Casings (HP Turbine - IP Turbine - LP Turbine×3) Output: Up to 1,200 MW: Main steam conditions: Up to 28.0 MPa / Up to 600°C: Reheat steam conditions: Up to 630°C: Revolutions per minute: 3,000 min-1 (50 Hz) / 3,600 min-1 (60 Hz)
202335 · The HP turbine expands the steam to a lower pressure, extracting a significant portion of its energy and converting it into mechanical work. Intermediate Pressure (IP) Turbine: The IP turbine is the second stage of the steam turbine and receives partially expanded steam from the HP turbine. It further expands the steam, extracting
Steam turbine retrofitting for power increase and efficiency enhancement. I. McBean, in Advances in Steam Turbines for Modern Power Plants, 2017. 18.6 High-pressure and intermediate-pressure turbine retrofits. The main focus of an HP and IP turbine retrofit is performance improvement through the installation of the latest blading technology.
20221231 · The HP turbine experiences highest cycle temperature, and its disk works at high temperature gradients as well as high rotational velocity [1,2,3]. High rotational speed results in large centrifugal forces and blade loads in the disk [4, 5]. In addition, rapid throttle excursion induces cyclic mechanical and thermal loads and simultaneous high
20191015 · Principe de fonctionnement d''une génératrice à turbine – Production d''électricité. La plupart des centrales nucléaires exploitent une turbogénératrice à un arbre qui se compose d''une turbine HP à plusieurs