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工程流体力学是能源与动力工程专业的一门主要技术基础课,然而其理论、概念、公式多而且容易混淆,使得工程流体的教与学过程存在较大的障碍。通过运用对比法讲解粘性流体运动方程,复杂管路系统串并联管路计算,无粘性重力流体流动能量方程,流体边界层和热力边界层,粘性流动与对流换热的关系,把流体力学的相关概念、现象及理论与学生已经熟识的内容进行对比,不但能使学生容易明白知识点,更能提高学生的学习兴趣。
Engineering fluid dynamics is one of the major technical basic courses in energy and power engineering. However, its theory, concepts and formulas are easy to be confused and confusion, making the process of teaching and learning of engineering fluids a major obstacle. By using the contrast method to explain the viscous fluid equation of motion, the calculation of the complex pipeline system in series and parallel pipeline, the viscous flow equation of gravity fluid, the fluid boundary layer and the thermal boundary layer, the relationship between viscous flow and convective heat transfer, Concepts, phenomena and theories are compared with what students are already familiar with, which not only enables students to easily understand the points of knowledge but also enhances students’ interest in learning.