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所在平台: Udemy |
课程主页: https://www.udemy.com/course/fundamentals-of-heat-transfer-part-2/
课程评论：没有评论
**课程名称：** 热传导基本原理（第二部分） **课程概述：** 本课程是“热传导基本原理”系列的第二部分，将深入探讨对流传热和对流系数。在第一部分中，我们侧重于热传导，并简要提及了对流作为边界条件。 **核心内容：** * **边界层现象：** 深入理解流体与固体表面接触时形成的边界层（流体动力学边界层和热边界层），以及这些边界层如何影响对流系数。 * **对流传热分析：** 学习估算外流和内流的强制对流以及自由（自然）对流的对流系数的方法。 * **对流系数的影响因素：** 探讨对流系数如何受到流体性质、表面几何形状和流动条件的影响。 * **实际应用：** 掌握运用对流系数进行各种流动和传热情况下的热系统分析。 **学习目标：** 通过本课程的学习，您将全面掌握对流传热的概念，能够熟练估算对流系数，并将这些知识应用于解决实际的工程问题。 **诚邀您加入，共同提升热传导领域的知识水平！**
Welcome to Fundamentals of Heat Transfer Part 2: Enhance Your Understanding of Convection and Convection CoefficientsIn part 1 of our course on Fundamentals of Heat Transfer, we focused on heat transfer by conduction and briefly discussed convection as a possible boundary condition. In part 2, we delve deeper into convection and convection coefficients.Our first objective is to develop an understanding of boundary layer phenomena and the features that control the convection coefficient. We will discuss the hydrodynamic boundary layer concept and the thermal boundary layer, which is the region of the fluid next to the surface in which energy exchange is occurring, and examine its influence on the convection coefficient.We then address the problem of convection and introduce methods for estimating convection coefficients associated with forced convection in external and internal flows. We also consider free or natural convection and present methods for estimating convection coefficients for common geometries.Throughout the course, we will explore how to estimate convection coefficients to perform analyses on thermal systems experiencing different types of flow and heat transfer situations. We will examine how the convection coefficient depends upon fluid properties, surface geometry, and flow conditions.By the end of this course, you will have an enhanced understanding of convection and convection coefficients, enabling you to apply these concepts in real-world scenarios.We wish you good luck in your learning journey. Enroll now to advance your knowledge of heat transfer!
