Some recent developments in turbulence closure modeling

PA Durbin - Annual Review of Fluid Mechanics, 2018‏ - annualreviews.org
Turbulence closure models are central to a good deal of applied computational fluid
dynamical analysis. Closure modeling endures as a productive area of research. This …

Research on the aerodynamics of intermediate turbine diffusers

E Göttlich - Progress in Aerospace Sciences, 2011‏ - Elsevier
Intermediate turbine diffusers represent the flow path between the high pressure and the low
pressure turbine of a high-bypass ratio turbofan aero engine. Caused by the different …

Conjugate heat transfer analysis of a cooled turbine vane using the V2F turbulence model

J Luo, EH Razinsky - 2007‏ - asmedigitalcollection.asme.org
The conjugate heat transfer methodology has been employed to predict the flow and thermal
properties including the metal temperature of a NASA turbine vane at three operating …

The efficiency of a pulsed detonation combustor–axial turbine integration

C **sto, O Petit, T Grönstedt, A Rolt… - Aerospace Science and …, 2018‏ - Elsevier
The paper presents a detailed numerical investigation of a pulsed detonation combustor
(PDC) coupled with a transonic axial turbine stage. The time-resolved numerical analysis …

Effects of large scale high freestream turbulence and exit reynolds number on turbine vane heat transfer in a transonic cascade

S Nasir, JS Carullo, WF Ng, KA Thole, H Wu… - 2009‏ - asmedigitalcollection.asme.org
This paper experimentally and numerically investigates the effects of large scale high
freestream turbulence intensity and exit Reynolds number on the surface heat transfer …

Perspectives on the phenomenology and modeling of boundary layer transition

PA Durbin - Flow, Turbulence and Combustion, 2017‏ - Springer
This article is a perspective review of boundary layer transition. Both orderly and bypass
transition are discussed, but with a decided emphasis on bypass routes. The focus is on …

Characterisation of a small viscous flow turbine

E Lemma, RT Deam, D Toncich, R Collins - Experimental Thermal and …, 2008‏ - Elsevier
The result of experimental and numerical study that was undertaken to determine the
performance characteristics of viscous flow turbines is presented. It is anticipated that these …

The influence of blade tip gap variation on the flow through an aggressive S-shaped intermediate turbine duct downstream a transonic turbine stage: part II—time …

E Go¨ ttlich, A Marn, R Pecnik… - … Expo: Power for …, 2007‏ - asmedigitalcollection.asme.org
The demand of further increased bypass ratio of aero engines will lead to low pressure
turbines with larger diameters rotating at lower speed. Therefore it is necessary to guide the …

Numerical investigation of inlet swirl in a turbine cascade

G Schmid, HP Schiffer - Turbo Expo: Power for Land …, 2012‏ - asmedigitalcollection.asme.org
New combustion concepts towards lean burn aim at reducing peak temperatures and
therefore emissions, especially nitrogen oxides. High swirl is required in order to enhance …

Numerical investigation of the effect of tip leakage flow on an aggressive S-shaped intermediate turbine duct

W Sanz, M Kelterer, R Pecnik… - … Expo: Power for …, 2009‏ - asmedigitalcollection.asme.org
The demand of a further increased bypass ratio of aero engines will lead to low pressure
turbines with larger diameters which rotate at lower speed. Therefore, it is necessary to …