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2018•Fluid Mechanics Research International JournalOpen access

Hand-operated shock tube and hypersonic shock tunnel

CS Kumar, K. P. Jaganntha Reddy

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Abstract

This manuscript outlines the invention of a miniaturized version of the conventional shock tube and hypersonic shock tunnel that is small enough to be mounted on a table top.The shock tube (named as Reddy tube) works solely with the effect of human force, and the driver gas is pressurized by manual action of a plunger rod.Test can be conducted within a shock Mach number range of 1.2 -2.0.The extension of the Reddy tube into a table-top, single-pulsed, hypersonic shock tunnel (named as Reddy tunnel) proves to be an important input into the field as it can be established as a fraction of the cost of a full-fledged facility, thereby providing access to such experiments to virtually any person in the experimental aerodynamic community.

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This manuscript outlines the invention of a miniaturized version of the conventional shock tube and hypersonic shock tunnel that is small enough to be mounted on a table top.The shock tube (named as Reddy tube) works solely with the effect of human force, and the driver gas is pressurized by manual action of a plunger rod.Test can be conducted within a shock Mach number range of 1.2 -2.0.The extension of the Reddy tube into a table-top, single-pulsed, hypersonic shock tunnel (named as Reddy tunnel) proves to be an important input into the field as it can be established as a fraction of the cost of a full-fledged facility, thereby providing access to such experiments to virtually any person in the experimental aerodynamic community.

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Available abstract

This manuscript outlines the invention of a miniaturized version of the conventional shock tube and hypersonic shock tunnel that is small enough to be mounted on a table top.The shock tube (named as Reddy tube) works solely with the effect of human force, and the driver gas is pressurized by manual action of a plunger rod.Test can be conducted within a shock Mach number range of 1.2 -2.0.The extension of the Reddy tube into a table-top, single-pulsed, hypersonic shock tunnel (named as Reddy tunnel) proves to be an important input into the field as it can be established as a fraction of the cost of a full-fledged facility, thereby providing access to such experiments to virtually any person in the experimental aerodynamic community.

Key concepts: Shock tube, Expansion tunnel, Hypersonic speed, Shock (circulatory), Aerospace engineering, Mechanics, Tube (container), Materials science

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