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Peter Ott

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Related publications (63)

Aeroelasticity at Reversed Flow Conditions – Part 1: Numerical and Experimental Investigations of a Compressor Cascade with Controlled Vibration

The prediction of flutter and forced response at normal flow conditions has become a standard procedure during the design of compressor airfoils. But at severe off-design conditions, the flow field becomes very complex, especially during the surge blow-dow ...

2011

Investigation of High Pressure Turbine End-Wall Film Cooling Performances under Realistic Inlet Conditions

Peter Ott, Magnus Jonsson

The mean value of turbine entry temperature increased to improve efficiency and specific power. Due to the combustor characteristics, thermal and aero-dynamics non-uniformities can be individuated at the turbine inlet section. Then, a further increase in t ...

2011

Investigation of End-Wall Film Cooling Configuration Performances in a Linear Cascade

Peter Ott, Magnus Jonsson

An end-wall cooling geometry with both fan-shaped and cylindrical holes is tested. The test case is composed by a linear cascade with cylindrical blades, the cooling holes disposed over eight rows. Each row is disposed along iso-Mach lines to ensure same b ...

2010

Effects of a surface dielectric barrier discharge on transonic flows around an airfoil

Christoph Hollenstein, Pénélope Leyland, Peter Ott, Samantha Pavon

2009

Experimental and Numerical Study of the Thermal Performance of a Film Cooled Turbine Platform

Peter Ott, Magnus Jonsson, Dominique Charbonnier

Detailed surface measurements of the thermal performance of a film cooling system have been performed on the endwall of a nozzle guide vane (NGV) mounted in a linear cascade facility at EPFL. An external cooling scheme including several rows of fan-shaped ...

American Soc Mechanical Engineers, Three Park Avenue, New York, Ny 10016-5990 Usa2009

Numerical Analysis of Adiabatic Film Cooling Effectiveness Around HP-Turbine Airfoil – Decomposed Computation of Internal-External Airflows

Peter Ott, Magnus Jonsson, Dominique Charbonnier

2008

Application of the Transient Heater Foil Technique for Heat Transfer and Film Cooling Effectiveness Measurements on a Turbine Vane Endwall

Peter Ott, Magnus Jonsson, Dominique Charbonnier

The paper presents an application of the transient heater foil measurement technique using thermochromic liquid crystals (TLC) to endwall heat transfer and film cooling investigations in a transonic turbine vane cascade. The film cooling configuration cons ...

American Soc Mechanical Engineers2008

Comparison of Numerical Investigations With Measured Heat Transfer Performance of a Film Cooled Turbine Vane

Peter Ott, Magnus Jonsson, Dominique Charbonnier

Detailed surface measurements of the heat transfer coefficient and the film cooling effectiveness by application of the transient liquid crystal method were carried out on a heavily film cooled nozzle guide vane (NGV) in a linear cascade wind tunnel at the ...

American Soc Mechanical Engineers, Three Park Avenue, New York, Ny 10016-5990 Usa2008

Application of the Transient Heater Foil Technique for Heat Transfer Measurements

Peter Ott, Magnus Jonsson

An electrically heated foil glued on top of an acrylic wall is employed to measure convective heat transfer on turbine vane platforms. The use of a heater foil requires specific filtering techniques to obtain the searched quantities – heat transfer coeffic ...

2008

Experimental Investigation of Combined/Simultaneous Gust and Oscillating Turbine Row Unsteady Aerodynamics in Transonic Flow

Arrigo Beretta, Peter Ott, Fabrice Rottmeier

2007

Effects of high-speed airflows on a surface dielectric barrier discharge

Christoph Hollenstein, Pénélope Leyland, Peter Ott, Samantha Pavon

A detailed study of the interaction between high-speed gas flows and surface dielectric barrier discharges (DBD) is presented. In the present paper, it is demonstrated that a DBD can be sustained in transonic airflows, up to isentropic Mach numbers of 1.1. ...

2007

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Peter Ott

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Aeroelasticity at Reversed Flow Conditions – Part 1: Numerical and Experimental Investigations of a Compressor Cascade with Controlled Vibration

Investigation of High Pressure Turbine End-Wall Film Cooling Performances under Realistic Inlet Conditions

Investigation of End-Wall Film Cooling Configuration Performances in a Linear Cascade

Effects of a surface dielectric barrier discharge on transonic flows around an airfoil

Experimental and Numerical Study of the Thermal Performance of a Film Cooled Turbine Platform

Numerical Analysis of Adiabatic Film Cooling Effectiveness Around HP-Turbine Airfoil – Decomposed Computation of Internal-External Airflows

Application of the Transient Heater Foil Technique for Heat Transfer and Film Cooling Effectiveness Measurements on a Turbine Vane Endwall

Comparison of Numerical Investigations With Measured Heat Transfer Performance of a Film Cooled Turbine Vane

Application of the Transient Heater Foil Technique for Heat Transfer Measurements

Experimental Investigation of Combined/Simultaneous Gust and Oscillating Turbine Row Unsteady Aerodynamics in Transonic Flow

Effects of high-speed airflows on a surface dielectric barrier discharge

Leading Edge Film Cooling and the Influence of Fan Shaped Holes at Design and Off-Design Conditions

Heat Transfer Experiments on an Heavily Film Cooled Nozzle Guide Vane

Combined/simultaneous gust and oscillating turbine row unsteady aerodynamics in subsonic flow

A comparative study on showerhead cooling performance

Influence of Mainstream Incidence Angle on Leading Edge Film Cooling Measured by the Transient Liquid Crystal Technique

Experimental Investigations of Turbine Blade Showerhead Cooling

Effect of transonic airflows on a dielectric barrier discharge

Experimental investigations on showerhead cooling on a blunt body

Influence of Modeshape Mistuning on the Forced Response of a Turbine Cascade