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We numerically analyze recent high energy heavy-ion collision experimentsbased on a hydrodynamical model with phase transition and discuss a systematicchange of initial state of QGP-fluid depending on colliding-nuclei's mass. In aprevious paper, we formulated a (3+1)-dimensional hydrodynamical model forquark-gluon plasma with phase transition and discussed numerically thespace-time evolution in detail. We here compare the numerical solution with thehadronic distributions given by CERN WA80 and NA35. Systematic analyses of theexperiments with various colliding nuclei enable us to discuss the dependencesof the initial parameters of the hydrodynamical model on colliding nuclei'smass. Furthermore, extrapolating the present experiments, we derive thepossible hadronic distributions for lead-lead 150GeV/A collision.Comment: 12 pages, LaTeX, 5 figures available under request at  muroya@yukawa.kyoto-u.ac.j

Numerical Analyses of CERN 200 GeV/AHeavy-Ion Collisions Based on a Hydrodynamical Model with Phase Transition