Results 21 to 30 of about 72,478 (206)
Aerodynamics and Sealing Performance of the Downstream Hub Rim Seal in a High-Pressure Turbine Stage
International Journal of Turbomachinery, Propulsion and Power, 2023 The purpose of the paper is to characterize the aerodynamic behavior of a rotor-downstream hub cavity rim seal in a high-pressure turbine (HPT) stage.
Filippo Merli +4 more
doaj +1 more source
International Journal of Turbomachinery, Propulsion and Power, 2023 The efficiency assessment of a high-pressure turbine (HPT) stage is complicated by the presence of upstream and downstream purge flows. In fact, the efficiency calculation is often based on mass flow-averaged values of total temperature at the stage ...
Filippo Merli +3 more
doaj +1 more source
Inertial waves in turbine rim seal flows
Physical Review Fluids, 2020 Rotating fluids are well-known to be susceptible to waves. This has received much attention from the geophysics, oceanographic and atmospheric research communities. Inertial waves, which are driven by restoring forces, for example the Coriolis force, have been detected in the research fields mentioned above. This paper investigates inertial waves in
Feng Gao, John W. Chew, Olaf Marxen
openaire +3 more sources
Report of Investigations No. 131 Origin and Diagenesis of Cap Rock, Gyp Hill and Oakwood Salt Domes, Texas [PDF]
, 1983 UT ...
Dutton, Shirley P., Kreitler, Charles W.
core +1 more source
Aerospace, 2019 Flow within the space between the rotor and stator of a turbine disk, and an area referred to as the rim seal cavity, develops azimuthal velocity component from the rotor disk.
Cengiz Camci +2 more
doaj +1 more source
Flow characteristics in turbine wheel space cavity
Energy Reports, 2021 Unsteady flow structures unrelated to rotating frequency in the turbine wheel space cavity has been observed and reported in a number of recent rim sealing investigations.
Lei Xie +4 more
doaj +1 more source
Large Eddy Simulation of Externally Induced Ingress about an Axial Seal by Stator Vanes
Energies, 2023 Turbine inlet temperatures in advanced gas turbines could be as high as 2000 °C. To prevent ingress of this hot gas into the wheelspace between the stator and rotor disks, whose metals can only handle temperatures up to 850 °C, rim seals and sealing ...
Sabina Nketia +3 more
doaj +1 more source
Propulsion and Power Research, 2021 In turbine disk cavity, rim seals are fitted between the stator and its adjacent rotor disk. A coolant air injected through the turbine disk cavity to prevent the ingress of mainstream hot gases.
Zakaria Mansouri
doaj +1 more source
Wall-Modelled Large Eddy Simulations of Axial Turbine Rim Sealing
Volume 7C: Heat Transfer, 2020 Abstract This paper presents WMLES simulations of a chute type turbine rim seal. Configurations with an axisymmetric annulus flow and with nozzle guide vanes fitted (but without rotor blades) are considered. The passive scalar concentration solution and WMLES are validated against available data in the literature for uniform convection ...
Palermo, Donato M. +5 more
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Tell Khaiber: An administrative centre of the Sealand period [PDF]
, 2017 Excavations at Tell Khaiber in southern Iraq by the Ur Region Archaeological Project have revealed a substantial building (hereafter the Public Building) dating to the mid-second millennium b.c.
Calderbank, Daniel +6 more
core +1 more source