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Facility for investigating the flow in a low pressure turbine exit structure

Borja M. Rojo Perez (Institutionen för tillämpad mekanik, Strömningslära) ; Darri Kristmundsson (Institutionen för tillämpad mekanik, Strömningslära) ; Valery Chernoray (Institutionen för tillämpad mekanik, Strömningslära) ; C. Arroyo ; J. Larsson
11th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics, ETC 2015 (2015)
[Konferensbidrag, refereegranskat]

This paper presents the design of a turbine facility for the investigation of the flow in the engine exit structure (EES) at Chalmers University. The EES is the structure located downstream of the low-pressure turbine in a jet engine. In the current facility, in order to generate realistic inlet boundary conditions for the EES, an LPT stage is located upstream of the EES. The facility is a large-scale, low-speed annular cascade, and the flow Reynolds number based on the channel height in the turbine stage is 465,000, which is representative for large turbofan engines. The design of the facility follows classical low speed wind tunnel design. Experimental correlations obtained from data collected in a previous rig and from previous studies in low-speed wind tunnels have been used to compute pressure losses. CFD has been used in the design of the facility.

Denna post skapades 2015-07-28. Senast ändrad 2017-09-14.
CPL Pubid: 220020


Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Strömningslära (2005-2017)


Termisk energiteknik

Chalmers infrastruktur

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Design of an Experimental Facility for Investi- gating the Flow in a Low Pressure Turbine Exit Structure