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所在平台: Udemy |
课程主页: https://www.udemy.com/course/heat-exchangers-selection-rating-and-thermal-design-i/
课程评论：没有评论
课程名称：热交换器：选择、评估与热设计 - I 课程概述：本课程全面研究热交换器的设计、分析和选择，热交换器是各行业热系统中的关键组件，包括发电、化工处理、航空航天、能源及暖通空调等。课程旨在为机械工程学生及化工、航空航天和能源工程等相关领域的专业人士提供服务，强调理论基础与实践应用的结合。学生将探讨各种热交换器类型的分类与工作原理、选择标准、性能评估以及详细的热与流体设计方法。主要内容包括回收型和再生型热交换器、流动布置、LMTD（对数平均温差法）和ε-NTU方法、压力降分析、强制对流相关性以及微/纳米热传递和污垢等先进课题。特别强调双管热交换器的设计和运行优化。完成本课程后，参与者将掌握高效设计和评估适用于特定应用的热交换器的知识和分析工具。 课程主要内容： 1. 热交换器的分类：类型和配置、回收与再生、传热过程和流动布置、基于应用的选择。 2. 基本设计方法：流动路径安排、设计方程、LMTD和ε-NTU方法、热交换器设计方法论。 3. 强制对流相关性（单相流）：层流和湍流分析、几何形状和物理性质的影响、线圈、弯头和管束中的热传递。 4. 压力降与泵功率：管侧和壳侧的压力降、配件和几何变更的影响、热传递与泵送需求的关系。 5. 微/纳米热传递：微通道中的热传递、基于纳米流体的热增强。 6. 热交换器中的污垢：成因和后果、设计考虑与缓解技术、操作策略。 7. 双管热交换器：管道和环隙的热与流体设计、串联与并联配置、压力降与性能优化。 本课程将帮助学员在热交换器设计和分析方面建立扎实的基础，适应多变的行业需求。
This course provides a comprehensive study of the design, analysis, and selection of heat exchangers-critical components in thermal systems across diverse industries such as power generation, chemical processing, aerospace, energy, and HVAC.Designed for mechanical engineering students and professionals in allied fields like chemical, aerospace, and energy engineering, the course emphasizes both theoretical foundations and practical applications. Students will explore the classification and working principles of various heat exchanger types, selection criteria, performance evaluation, and detailed thermal and hydraulic design methodologies.Topics include recuperative and regenerative heat exchangers, flow arrangements, the LMTD and ε-NTU methods, pressure drop analysis, forced convection correlations, and advanced considerations like micro/nano heat transfer and fouling. Special attention is given to double-pipe heat exchanger design and operational optimization.By the end of the course, participants will possess the knowledge and analytical tools to efficiently design and evaluate heat exchangers tailored to specific applications.Course Topics:1. Classification of Heat ExchangersTypes and configurationsRecuperation vs. regenerationTransfer processes and flow arrangementsSelection based on applications2. Basic Design MethodsFlow path arrangementsDesign equationsLMTD and ε-NTU methodsHeat exchanger design methodology3. Forced Convection Correlations (Single-Phase Flow)Laminar and turbulent flow analysisEffects of geometry and physical propertiesHeat transfer in coils, bends, and tube bundles4. Pressure Drop and Pumping PowerTube-side and shell-side pressure dropEffects of fittings and geometrical changesRelationship between heat transfer and pumping requirements5. Micro/Nano Heat TransferHeat transfer in microchannelsNanofluid-based thermal enhancement6. Fouling in Heat ExchangersCauses and consequencesDesign considerations and mitigation techniquesOperational strategies7. Double-Pipe Heat ExchangersThermal and hydraulic design of tubes and annuliSeries and parallel configurationsPressure drop and performance optimization
