A liquid helium temperature target with a 10 K vapor shield for shock compression experiment in the environment condition of 100 PaReportar como inadecuado




A liquid helium temperature target with a 10 K vapor shield for shock compression experiment in the environment condition of 100 Pa - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Chinese Science Bulletin

, Volume 56, Issue 3, pp 349–353

First Online: 26 January 2011Received: 17 September 2009Accepted: 27 January 2010

Abstract

The shock compression experiment of liquid helium is an available way to gain properties of specimen at high temperatures and pressures. Based on Fluent, a thermal insulation analysis and design of a liquid helium temperature target in the environment condition of 100 Pa for shock compression experiment is performed. Then, a cryogenic target with a 10 K helium vapor shield and a separated vacuum interval is particularly developed. A lowest temperature of 3.63 K and a stable temperature of 3.70 K in the specimen cavity with an accuracy of 0.1 K are obtained by means of continuous flow and vacuum cooling. Both time-consuming and temperature stability are well-suited to the requirements of the shock compression experiment. The results show that the calculated and experimental data well-matched each other. The simulation method may be effective and feasible for the optimal design of the cryogenic target.

Keywordsnumerical computation cryogenic target helium vapor shield helium liquefaction shock compression This article is published with open access at Springerlink.com

Download to read the full article text



Autor: BaoJun Luo - GuoTong Hong - JingTao Liang

Fuente: https://link.springer.com/article/10.1007/s11434-010-3136-1







Documentos relacionados