改写使其语句通顺：Kerl8等人从实验入手对蝶阀的流场情况进行了研究并攥写了流场分析报告。Sarpkara9对蝶阀的流动特性进行理论研究使得蝶阀的流动状态有了理论依据。Kimura and Tanaka10研究了一些特殊蝶阀的压力损失特性。现如今随着计算机技术的迅速发展软件开发越来越趋于成熟蝶阀的研究获得了新的计算工具计算精度与速度均得到大幅提升。Lin and Schohl11对计算机软件CFD

Kerl and others started their research on butterfly valve by conducting experiments and wrote a report on flow field analysis. Sarpkara conducted theoretical research on the flow characteristics of butterfly valves, providing a theoretical basis for the flow state of butterfly valves. Kimura and Tanaka studied the pressure loss characteristics of some special butterfly valves. With the rapid development of computer technology, software development has become more and more mature, providing new computational tools for butterfly valve research, significantly improving both accuracy and speed. Lin and Schohl conducted a feasibility analysis of using computer software (CFD) to solve butterfly valve problems, proving the role of computer software in butterfly valve research. Huang and Kim used CFD fluid dynamic simulation computer software to simulate the flow state of incompressible fluids inside butterfly valves, obtaining velocity, temperature and stress cloud maps of internal fluid flow. Park Youngchul and Song Xueguan used computer software (CFX) to numerically simulate the hydrodynamic torque of butterfly valves, analyzing the dynamic torque coefficient and flow resistance coefficient. A.D. Henderson and others also used computer software to solve the flow characteristics of some special safety butterfly valves. Kazuhiko and Koichi used CFD software to study the cavitation problem of butterfly valves, providing a new approach to understanding cavitation phenomena and solving this problem. Zachary and Charles conducted preliminary research on the opening and closing torque of butterfly valves. Bella simulated the sound wave vibration of butterfly valves. Villouvier established a model for analyzing the sound wave propagation of butterfly valves, contributing to the solution of butterfly valve noise problems. Peiman Naseradinmousavi and others analyzed the torque of butterfly valves, using the eccentric butterfly valve driven by electromagnetic force as the focus of attention, and established an accurate dynamic analysis model using a multi-physics coupling method, revealing the important role of driving torque in the opening and closing process of butterfly valves.