scholarly journals Experimental Determination of CO 2 Solubility in Brines At High Temperatures and High Pressures and Induced Corrosion of Materials in Geothermal Equipment

2020 ◽  
pp. 9-20
Author(s):  
Marie Poulain ◽  
Jean‐Charles Dupin ◽  
Hervé Martinez ◽  
Pierre Cézac
Keyword(s):  
Experimental Determination ◽  
High Temperatures ◽  
High Pressures

The theory of ionisation measurements in gases at high pressures

1934 ◽  
Vol 30 (1) ◽  
pp. 80-101 ◽  
Author(s):  
D. E. Lea
Keyword(s):  
High Pressure ◽  
Experimental Determination ◽  
Experimental Technique ◽  
Alpha Particle ◽  
Reasonable Agreement ◽  
High Pressures ◽  
Industrial Research ◽  
Heavy Nuclei ◽  
Nuclear Tracks

The columnar theory developed by Jaffé to account for the recombination of ions in alpha particle tracks is extended to beta rays by taking account of the clusters of secondary ionisation. Reasonable agreement is obtained with experiment. Recombination in proton tracks produced in hydrogen by neutrons is shown to be in agreement with the columnar theory, but in the case of nitrogen nuclear tracks in nitrogen the recombination is only a hundredth of that predicted by the theory. An explanation of this effect is advanced, and it is suggested that recombination is likely to be abnormally small for all heavy nuclei of velocities not exceeding 5 × 108 cm. per sec.An experimental determination of the coefficient of recombination of ions in nitrogen and hydrogen at pressures of 20, 40 and 90 atmospheres is reported.My thanks are due to Dr Chadwick for interest in this work, and to Dr Gray and Dr Tarrant for advice on the experimental technique of high pressure ionisation measurements. I am indebted also to the Department of Scientific and Industrial Research for a maintenance grant.

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