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Your search keyword '"Zhu, P. F."' showing total 4 results
Start Over Author "Zhu, P. F." Journal applied physics a: materials science & processing
4 results on '"Zhu, P. F."'

3. Transmitted laser propulsion in confined geometry using liquid propellant.

Author

Zhang, Y., Lu, X., Zheng, Z. Y., Liu, F., Zhu, P. F., Li, H. M., Li, Y. T., Li, Y. J., and Zhang, J.

Subjects
FLUID mechanics, GEOMETRY, LASERS, ENERGY conversion, ABSORPTION
Abstract

Transmitted laser propulsion in confined geometry using liquid propellant is proposed in this paper. The experimental results show that the coupling coefficient obtained by using carbonic ink is much higher than that using pure water due to the low breakdown threshold and high absorption. The influences of the focal condition and the mass of the liquid jet on the coupling coefficient are studied. The maxima of the coupling coefficient and the specific impulse obtained in the experiment are 1785.8 dyne/W and 19.3 s, respectively. The energy conversion efficiency is measured to be more than 50%. [ABSTRACT FROM AUTHOR]

Published
2008
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4. Vortex glass phase and flux creep in YBa2Cu3Oy epitaxial film

Author

Sha, J., Wang, N. L., Zhu, C. F., He, Z. H., Chen, X. H., Zhou, G. E., Cao, L. Z., Zhang, Q. R., Yi, H. R., and Li, H. C.

Abstract

Nonlinear I–V characteristics of YBa2Cu3Oy epitaxial film at different temperatures in a magnetic field of up to 5T and angles between the direction of the field and the a–b plane of 0°, 30°, 45°, 60°, and 90° were measured. We find that there are the vortex glass phase and vortex liquid phase in the mixed state. The flux creep exists in the vortex glass phase, and it obviously appears in the area around the boundary between the vortex glass phase and the vortex liquid phase.

Published
1992
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