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Related Experiment Video

Updated: Jul 2, 2026

Evaluating Primary Blast Effects In Vitro
10:51

Evaluating Primary Blast Effects In Vitro

Published on: September 18, 2017

Shock tube for simulating nuclear blast durations.

W H Andersen1, N A Louie

  • 1Shock Hydrodynamics Division, Whittaker Corporation, North Hollywood, CA 91602, USA.

The Review of Scientific Instruments
|December 1, 1978
PubMed
Summary
This summary is machine-generated.

A novel shock tube design generates long-duration shock pulses, mimicking nuclear detonations. This system effectively controls pressure decay for advanced blast wave research.

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Area of Science:

  • Engineering
  • Physics
  • Aerodynamics

Background:

  • Shock tubes are crucial for simulating high-pressure, transient events.
  • Existing shock tube designs often produce short-duration pulses, limiting their applicability for certain phenomena.
  • Simulating nuclear detonation-like shock waves requires specialized equipment capable of generating prolonged high-pressure environments.

Purpose of the Study:

  • To describe the design and fabrication of a novel shock tube.
  • To generate a shock pulse with a duration comparable to that of a nuclear detonation.
  • To control the pressure profile of the generated shock wave, including peak pressure and decay characteristics.

Main Methods:

  • Fabrication of a specialized shock tube.
  • Utilizing the reflected wave for peak pressure generation.
  • Employing nozzle flow in the driver tube for controlled pressure decay.
  • Comparison of estimated pressure profiles with transducer measurements.

Main Results:

  • Successful fabrication and operation of a long-duration shock tube.
  • Generation of shock pulses with durations comparable to nuclear detonations.
  • Good agreement between estimated and measured pressure profiles.
  • Demonstration of controlled pressure decay using nozzle flow.

Conclusions:

  • The developed shock tube is effective for producing long-duration shock pulses.
  • The design allows for control over the shock wave's pressure profile.
  • The technique shows promise for advanced blast wave simulation and research.
  • Further improvements to the shock tube technique are suggested.