|
所在平台: Udemy |
课程主页: https://www.udemy.com/course/thermodynamics-and-energy-balance-for-engineers/
课程评论:没有评论
课程名称:工程师的热力学和能量平衡 课程概述: 本课程旨在为工程师提供关于热力学和能量平衡的深入理解,涵盖从基础理论到实际应用的广泛内容。 第一章:能量导论 - 能量基本概念:定义能量及其分类,了解动能、势能和内能的微观与宏观层面。 - 内能在工程计算中的重要性及其相关概念,包括熵、可逆性和失效功。 - 系统类型的定义:开放系统、封闭系统和孤立系统。 - 各种平衡状态的理解:热平衡、化学平衡、机械平衡和相平衡。 - 重要术语和变量的介绍,包括热源、密度、稳态和瞬态等。 第二章:功和热的术语 - 能量传递的机制:理解热流和功在系统边界上的能量传递。 - 学习工作和热的符号约定以及在不同情境下的应用,包括可逆与非可逆的等温过程。 - 理解开放系统和封闭系统中的轴功和流功。 第三章:能量平衡 - 封闭系统的能量平衡等式的推导与应用。 - 理解能量平衡中的单位及其在实践中的应用,通过实例掌握闭合系统的能量平衡。 - 推导并应用开放系统的稳态能量平衡方程。 - 深入掌握综合能量平衡方程,包括内能、焓和热容之间的关系及相关计算。 - 解决涉及理想气体绝热压缩的实例,并理解相变过程中焓和内能的变化。 进阶计算内容涵盖理想气体的绝热可逆膨胀和压缩,以及持续的等温可逆压缩过程。 课程优势: - 全面覆盖:对工程中的能源系统进行详细探讨,涵盖基本到复杂的概念和计算。 - 实践案例:通过丰富的实例来巩固理解。 - 实用性:所学技巧和知识可直接应用于工程问题。 - 教师经验:授课教师在工程咨询方面拥有七年的实践经验。 立即报名,深入理解能量系统,提升你的工程技能!
Chapter 1: Introduction to EnergyFundamentals of Energy: Define energy and its various classifications.Energy Forms: Understand kinetic, potential, and internal energy at microscopic and macroscopic levels.Internal Energy: Learn its significance in engineering calculations.Entropy: Grasp the concept of entropy.Reversibility and Lost Work: Understand these concepts and their engineering implications.Reversibility in Calculations: Explain its importance in engineering.Basic Definitions:System Types: Open, Closed, and Isolated systems.Equilibrium: Thermal, Chemical, Mechanical, and Phase Equilibrium.Key Terms: Heat Sinks, Density, Steady State, Transient State.Variables: State Variables (e.g., Temperature, Pressure, Volume) and Path Variables (Work, Heat).Properties of Matter: Differentiate between intensive and extensive properties.Gibbs Phase Rule: Understand the concept of degrees of freedom and apply the rule through examples.Chapter 2: Work and Heat TermsEnergy Transfer: Understand heat flow and work as forms of energy transfer across system boundaries.Sign Conventions: Learn conventions for work and heat in relation to system interactions.Expansion and Contraction Work: Explain and apply these concepts in various scenarios, including reversible and non-reversible isothermal processes.Shaft and Flow Work: Understand and explain these types of work in open and closed systems.Heat Flow: Understand heat flow in different system contexts.Chapter 3: Energy BalanceClosed System Energy Balance: Derive and explain the energy balance equation for closed systems.Energy Units: Understand the units involved in energy balance equations.Practical Applications: Apply the closed system energy balance equation through examples.Open System Energy Balance: Derive and apply the steady-state energy balance equation for open systems.Complete Energy Balance: Master the derivation and application of the comprehensive energy balance equation.Internal Energy, Enthalpy, and Heat Capacity: Understand their relationships and relevant equations.Enthalpy Calculations: Apply these equations to find enthalpy changes in ideal gases.Adiabatic Compression: Solve examples involving adiabatic compression of ideal gases.Phase Transitions: Understand and calculate enthalpy and internal energy changes during phase transitions.Reference State Importance: Learn the importance of reference states in energy calculations.Kinetic and Potential Energy Impact: Assess their relative impacts on energy balance equations.Advanced Calculations:Adiabatic reversible expansion and compression of ideal gases.Continuous isothermal reversible compression of ideal gases.Why This Course?Comprehensive Coverage: Detailed exploration of energy systems in engineering.Practical Examples: Numerous examples to solidify understanding.Fundamental to Advanced Concepts: Progress from basic definitions to complex calculations.Real-World Applications: Techniques and knowledge directly applicable to engineering problems.Instructor Experience: Benefit from 7 years of practical experience in engineering consulting.Enroll now to gain a deep understanding of energy systems and enhance your engineering skills!