Shock Hugoniot compression curve for water up to 1 GPa by using a compressed gas gun

2002 ◽  
Vol 91 (1) ◽  
pp. 476 ◽  
Author(s):  
K. Nagayama ◽  
Y. Mori ◽  
K. Shimada ◽  
M. Nakahara
Keyword(s):  
Compression Curve ◽  
Gas Gun ◽  
Compressed Gas ◽  
Shock Hugoniot

Compressed Gas Gun for Controlled Planar Impacts Over a Wide Velocity Range

1964 ◽  
Vol 35 (1) ◽  
pp. 11-14 ◽  
Author(s):  
S. Thunborg ◽  
G. E. Ingram ◽  
R. A. Graham
Keyword(s):  
Velocity Range ◽  
Gas Gun ◽  
Compressed Gas

New liquid shock sensor and measurement of shock Hugoniot compression curve for several biorelated materials

2001 ◽  
Author(s):  
Kunihito Nagayama ◽  
Yasuhito Mori ◽  
Yasuhiro Motegi ◽  
Motonao Nakahara
Keyword(s):  
Compression Curve ◽  
Shock Hugoniot

Hugoniot-Measurement Experiments of the Heated Samples

2014 ◽  
Vol 566 ◽  
pp. 525-529
Author(s):  
Keiichi Oka ◽  
Kenichi Ogata ◽  
Tsutomo Mashimo
Keyword(s):  
High Temperature ◽  
High Time Resolution ◽  
Compression Curve ◽  
Camera System ◽  
Static Compression ◽  
Heated Sample ◽  
Gas Gun ◽  
Pressure Scale ◽  
Higher Temperature ◽  
Frequency Heating

Pressure calibration in static compression experiments have been undertaken on the basis of the equation of state (EOS) derived from the Hugoniot data of the pressure scale materials such as Au, Pt and MgO. However, room-temperature isothermal compression curve and further high temperature compression curve have been derived by using the assumed Grüneisen parameters, which cause the larger error at the higher temperature. If the Hugoniot data of the heated sample are measured, the accurate high-temperature EOS can be obtained, and the Grüneisen parameter (γ) can be directly discussed. We have measured Hugoniot data of Cu, W, Au, etc. by using the high-time resolution streak camera system equipped with a powder gun and two-stage light gas gun. In this study, the Hugoniot-measurement technique of the elevated temperature sample using high-frequency heating apparatus was established equipped with a powder gun. We succeeded in the measurement of the Hugoniot data (shock-velocity and particle-velocity) of the heated sample at 800°C on W.

Preliminary Study on the High-Pressure Equation of State of Concrete

2011 ◽  
Vol 261-263 ◽  
pp. 161-165
Author(s):  
Chu Jie Jiao ◽  
Guo Ping Jiang ◽  
Le Gao
Keyword(s):  
High Pressure ◽  
Equation Of State ◽  
High Velocity ◽  
Wave Speed ◽  
Volume Strain ◽  
Pressure Equation ◽  
Gas Gun ◽  
Shock Hugoniot ◽  
Preliminary Study ◽  
Relationship Of

The shock Hugoniot relationship of concrete was studied based on concrete test subjected to the high-velocity impacting loading by one stage gas gun. The P-U(pressure-partical speed) shock Hugoniot relationship curve of concrete was gained from the D-U(shocking wave speed-partical speed) curve of concrete, and the equation of volume pressure P and volume strain v was put forward according to the example analysis. Moreover, based on the polynomial Grьneisen equation, the parameters of high-pressure equation of state of concrete were got by fitting the test date, and the theoretical values from the equation matched well with the experimental ones.

Compressed gas combined single- and two-stage light-gas gun

2018 ◽  
Vol 89 (2) ◽  
pp. 023903 ◽  
Author(s):  
L. E. Lamberson ◽  
P. A. Boettcher
Keyword(s):  
Two Stage ◽  
Gas Gun ◽  
Compressed Gas

scholarly journals Mechanical Behavior of Steel Fiber Reinforced Concrete Investigated by One-Stage Light Gas Gun Experiment

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Guoping Jiang ◽  
Xinhong Wu
Keyword(s):  
Steel Fiber ◽  
Pressure Gauge ◽  
Rate Sensitivity ◽  
Fiber Reinforced Concrete ◽  
Steel Fiber Reinforced Concrete ◽  
Gas Gun ◽  
Pressure Time ◽  
Shock Hugoniot ◽  
Compression Data ◽  
Impact Experiments

This paper presents shock Hugoniot compression data for several concrete materials obtained from flat plate impact experiments. The manganin pressure gauge was used to measure the pressure-time curves of the samples. The physical quantities were all obtained by the Lagrange method. Moreover, it is observed from the measured pressure-time curves that the rate sensitivity of the dynamic response to the concrete is not negligible. Based on the polynomial Grüneisen equation, the parameters of the equation of state of concrete were obtained. The steel fiber reinforcement effect was analyzed.

Mechanical behavior of carbon nanotubes-based polymer composites under impact tests

2018 ◽  
Vol 53 (7) ◽  
pp. 925-940 ◽  
Author(s):  
A El Moumen ◽  
M Tarfaoui ◽  
H Benyahia ◽  
K Lafdi
Keyword(s):  
Carbon Nanotubes ◽  
High Speed ◽  
Impact Resistance ◽  
High Strength ◽  
Damage Initiation ◽  
Impact Tests ◽  
Gas Gun ◽  
Compressed Gas ◽  
Taylor Impact ◽  
The Impact

This study was focused on the effect of carbon nanotubes on the impact resistance and damage evolution in laminate carbon nanotubes/epoxy composites under an impact loading. The composite panels were made from carbon fibers and carbon nanotubes randomly distributed into epoxy resin. The amount of carbon nanotubes dispersion was varied up to 4% by weight. Taylor impact tests were carried out to obtain the impact response of specimens with dimensions of 70×70×4 mm3. A projectile manufactured from a high strength and hardened steel with a diameter of 20 mm and 1.5 kg of mass was launched by a compressed gas gun within the velocity of 3 m/s, 7 m/s and 12 m/s. For the experimental test, three velocity levels were used: 3 m/s for the elastic deformation, 7 m/s for the penetration of the impactor and 12 m/s for the perforation of panels. Deformation histories and damage modes in specimens were recorded during the impact test using a high-speed camera. Processing of carbon nanotubes dispersed in laminates, testing, damage, and key findings is reported. It is observed that the impact resistance of laminates reinforced with a random distribution of carbon nanotubes increases up to 15.6% at high-strain rate compared with that of 0% of carbon nanotubes. It is also observed that the resistance to damage initiation and evolution increases with the addition of carbon nanotubes concentration.

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