The Astrophysicalr‐Process: A Comparison of Calculations following Adiabatic Expansion with Classical Calculations Based on Neutron Densities and Temperatures

1999 ◽  
Vol 516 (1) ◽  
pp. 381-398 ◽  
Author(s):  
C. Freiburghaus ◽  
J.‐F. Rembges ◽  
T. Rauscher ◽  
E. Kolbe ◽  
F.‐K. Thielemann ◽  
...  
Keyword(s):  
Adiabatic Expansion

scholarly journals Shock Compressibility, Adiabatic Expansion and Equation of State of Stylbene.

1998 ◽  
Vol 7 ◽  
pp. 838-840
Author(s):  
M. V. Zhernokletov ◽  
K. V. Khishchenko ◽  
I. V. Lomonosov ◽  
Yu. N. Sutulov
Keyword(s):  
Equation Of State ◽  
Adiabatic Expansion ◽  
Shock Compressibility

MOLECULAR DYNAMICS SIMULATION OF PULSED LASER ABLATION

2011 ◽  
Vol 25 (04) ◽  
pp. 543-550 ◽  
Author(s):  
XIU-FANG GONG ◽  
GONG-XIAN YANG ◽  
PENG LI ◽  
YIN WANG ◽  
XI-JING NING
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Pulsed Laser ◽  
Pulsed Laser Ablation ◽  
Laser Pulses ◽  
Solid Surfaces ◽  
Dynamics Simulation ◽  
Angular Distributions ◽  
Adiabatic Expansion ◽  
Expansion Model

We have developed a simplified molecular-dynamical model for simulating ablation of solid surfaces by laser pulses, and specifically investigated expansion of Cu cloud in vacuum vaporized on the surface, showing that the angular distributions of the plume depend on the shape of the laser spot on the surface. In particular, experimentally observed flipover effects have been obtained, and an adiabatic constant determined from our simulations via an adiabatic expansion model agrees well with previous measurements.

scholarly journals A Novel Adiabatic-Expansion-Type Cloud Simulation Chamber

2013 ◽  
Vol 91 (5) ◽  
pp. 687-704 ◽  
Author(s):  
Takuya TAJIRI ◽  
Katsuya YAMASHITA ◽  
Masataka MURAKAMI ◽  
Atsushi SAITO ◽  
Kenichi KUSUNOKI ◽  
...  
Keyword(s):  
Adiabatic Expansion ◽  
Simulation Chamber

scholarly journals Adiabatic expansion of nuclear matter gas to describe violation of Feynman scaling law in multiple particle production

2019 ◽  
Vol 208 ◽  
pp. 11006 ◽  
Author(s):  
Akinori Ohsawa ◽  
Edison H. Shibuya ◽  
Masanobu Tamada
Keyword(s):  
Nuclear Matter ◽  
Particle Production ◽  
Scaling Law ◽  
Boltzmann Distribution ◽  
Adiabatic Expansion ◽  
Forward Region ◽  
Final State ◽  
Rapidity Density ◽  
Multiple Particle Production ◽  
Multiple Particle

The main features of the rapidity density distribution of the produced hadrons in multiple particle production in nucleon collisions are; (a) the distribution in the forward region (ȳ ≥ 0) has a shape similar to the Fermi distribution, (b) the distribution in the most forward region reaches almost the maximum rapidity ymax = ln(√s/M) (M : nucleon mass), and (c) the shrinkage of the distribution from the maximum rapidity increases with the incident energy (i.e. violation of Feynman scaling law). These features are possible to be described by the assumptions that; (1) a fireball of the gas (made of nuclear matter, with the temperature Ti and with the shape of the incident nucleon with Lorentz contraction) is produced in the collision, (2) the fireball makes the adiabatic expansion, and (3) the constituent particles of the gas obey the Maxwell-Boltzmann distribution of the temperature Tf in the final state.

scholarly journals The Reversible Adiabatic Expansion of Water

1913 ◽  
Vol 2 (4) ◽  
pp. 299-306 ◽  
Author(s):  
J. R. Roebuck
Keyword(s):  
Adiabatic Expansion

scholarly journals Modelling the Ejection of Meteoroids from Comets

1996 ◽  
Vol 150 ◽  
pp. 137-140
Author(s):  
J. Jones ◽  
P. Brown
Keyword(s):  
Active Area ◽  
Adiabatic Expansion ◽  
Process Change ◽  
Meteor Stream ◽  
Spherical Cap ◽  
Ejection Process

AbstractWe have reworked Whipple's (1951) theory of the ejection of meteoroids from comets to include the effects of cooling by the sublimation of the cometary ice and the adiabatic expansion of the escaping gases. We consider only those particles moving significantly slower than the gas speed and find that the inclusion of these effects does not yield results much different from Whipple's theory. We have extended the theory to include the case of an active area in the form of a spherical cap and have shown how the characteristics of the ejection process change when the cap is in the form of a pit or a depression. We present a empirical formulae which should be useful to modellers of meteor stream evolution.

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