199733rd Joint Propulsion Conference and ExhibitRequires access

A new hypersonic high enthalpy wind tunnel

Fabrizio Scortecci, Fabrizio Paganucci, Luca d’Agostino, Mariano Andrenucci, Fabrizio Scortecci, Fabrizio Paganucci, Luca d’Agostino, Mariano Andrenucci

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Abstract

A hypersonic high enthalpy, arc heated, blow-down wind tunnel has been recently developed at Centrospazio in order to perform experiments in the low to medium Reynolds number range (10-^10). The tunnel is capable of delivering Mach 6 flows up to 2.5 MJ/kg in specific total enthalpy on an effective test section 60 mm in diameter. It operates in pulsed quasi-steady mode, with running times ranging from 10 to 30 ms. The uniformity of the potential core of the flowfield has been experimentally assessed in different operational points of the facility, demonstrating a good steadiness and repeatability of the test conditions. Activities are presently ongoing aimed at defining the wind tunnel overall capabilities by investigating in detail its characteristics as well as at expanding its operational envelope.

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What this paper is about

A hypersonic high enthalpy, arc heated, blow-down wind tunnel has been recently developed at Centrospazio in order to perform experiments in the low to medium Reynolds number range (10-^10). The tunnel is capable of delivering Mach 6 flows up to 2.5 MJ/kg in specific total enthalpy on an effective test section 60 mm in diameter. It operates in pulsed quasi-steady mode, with running times ranging from 10 to 30 ms. The uniformity of the potential core of the flowfield has been experimentally assessed in different operational points of the facility, demonstrating a good steadiness and repeatability of the test conditions. Activities are presently ongoing aimed at defining the wind tunnel overall capabilities by investigating in detail its characteristics as well as at expanding its operational envelope.

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Available abstract

A hypersonic high enthalpy, arc heated, blow-down wind tunnel has been recently developed at Centrospazio in order to perform experiments in the low to medium Reynolds number range (10-^10). The tunnel is capable of delivering Mach 6 flows up to 2.5 MJ/kg in specific total enthalpy on an effective test section 60 mm in diameter. It operates in pulsed quasi-steady mode, with running times ranging from 10 to 30 ms. The uniformity of the potential core of the flowfield has been experimentally assessed in different operational points of the facility, demonstrating a good steadiness and repeatability of the test conditions. Activities are presently ongoing aimed at defining the wind tunnel overall capabilities by investigating in detail its characteristics as well as at expanding its operational envelope.

Key concepts: Hypersonic wind tunnel, Stagnation enthalpy, Wind tunnel, Hypersonic speed, Mach number, Expansion tunnel, Aerospace engineering, Envelope (radar)

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