Pressure at the combustion chamber indicating significant underpressure as well as overpressure peaks is followed by an increase of static pressure level. From the current-voltage relationship the discharge develops at rapidly decreasing voltage. Electrical pump energy up to 7.8 kJ at 10 kV, which is roughly three times of the gas energy in the pump chamber, was delivered by a capacitor bank. The apparatus consists of the combustion chamber (4.2 cm 3 ) to produce high pressure gas by burning solid propellant grains to fill the electrical pump chamber (2.5 cm 3 ) containing an insulated coaxial electrode.
Sounding experiments of high pressure gas dischargeĪ high pressure discharge experiment (200 MPa, 5Â♱0 21 molecules/cm 3, 3000 K) has been set up to study electrically induced shock waves. Finally, we will introduce the MALTA Consolider Team, which gather most of the Spanish high-pressure community, and present their available high-pressure facilities. The aim of this chapter is to illustrate the huge power of the experimental high-pressure high-temperature techniques and give a global overview of their application to different geophysical fields. These experiments are, therefore, windows to the Universe. High-pressure high-temperature experiments: Windows to the Universeįrom Earth compositional arguments suggested by indirect methods, such as the propagation of seismic waves, is possible to generate in the laboratory pressure and temperature conditions similar to those of the Earth or other planet interiors and to study how these conditions affect to a certain metal or mineral. The result on the pressure dependence of the Fermi momentum of Li obtained here is in good agreement with that predicted from the free-electron model It was found that the Compton profile at high pressure could be obtained within several hours by using this apparatus and synchrotron radiation.
This apparatus was applied to observe the Compton profile of metallic Li under pressure. High-pressure apparatus for Compton scattering experiments has been developed to study the momentum distribution of conduction electrons in metals and alloys at high pressure. International Nuclear Information System (INIS)
High-pressure system for Compton scattering experiments
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