|
所在平台: Coursera |
课程主页: https://www.coursera.org/learn/designing-air-conditioning-systems-and-heat-load-calculation
课程评论：没有评论
课程名称：空调基础与热负荷计算 概述：本课程是一门全面的HVAC（暖通空调）课程，以核心概念为基础，介绍空调和制冷的基本原理。学生们将学习到控制和调节空气温度和湿度的技术，为深入研究这一主题打下基础。本课程的关键在于理解影响HVAC系统设计的关键因素，确保学生掌握有效系统设计所需的知识。 课程大纲： 1. **空调与制冷基础**：课程开始于对空调和制冷的核心概念的讲解，了解这些技术如何影响空气的温度和湿度，并奠定深入探讨的基础。 2. **有效系统设计**：模块将深入探讨影响系统设计的关键因素，确保HVAC系统能够满足特定要求，尤其是在能源效率、环境影响和成本效益方面。 3. **空气和气体的性质**：了解空气和气体的性质对HVAC系统至关重要，课程将讲解心理测量学（psychrometry）及其在温度和湿度调节中的重要性。 4. **空调和制冷系统的主要组件**：对压缩机、蒸发器、冷凝器、膨胀装置和制冷剂等组件进行详细分析，帮助学生全面理解这些系统的内部工作原理。 5. **心理测量过程**：深入探讨心理测量过程及其在空调设计中的应用，了解主要空气流动及其在设计过程中的重要性，也包括空调系统的分类。 6. **蒸汽压缩制冷循环**：全面检查蒸汽压缩制冷循环的过程，包括压缩、冷凝、膨胀和蒸发，深入了解各个组件的功能，这是HVAC系统设计的基础。 7. **替代制冷系统**：介绍蒸汽吸收和热电制冷等替代制冷系统，扩展学生的知识范围，帮助他们应对各种冷却挑战。 8. **热负荷计算与心理测量 - 第一部分**：热负荷计算是HVAC设计的基础，通过评估外部和内部热增益、占用情况、照明及气候条件，工程师能够准确地设计HVAC系统。课程结合实际案例，让学生在实践中应用理论知识。 9. **热负荷计算与心理测量 - 第二部分**：学生将学习如何计算给定空间的总热增益，了解室内外设计条件的影响，并掌握心理测量学的基本概念，控制室内空气的温度、相对湿度和质量。 通过完成本课程，学生将获得行业相关技能，能够准确估算和管理不同环境中的热负荷，设计既有效又节能的HVAC解决方案。
Name:Fundamentals of Air-conditioning & Refrigeration
Description:We begin with core concepts of air conditioning and refrigeration, technologies integral to controlling and manipulating air temperature and humidity. This foundational understanding sets the stage for in-depth exploration. Effective system design is the foundation of efficient HVAC systems. This module delves into the critical factors influencing the design process, ensuring that systems are going to meet specific requirements, considering aspects such as energy efficiency, environmental impact, and cost-effectiveness. Understanding the properties of air and vapor is fundamental to HVAC system. Psychrometry, the study of air and its properties, plays a pivotal role. This module explores psychrometric properties and charts, emphasizing their importance in designing systems that regulate temperature and humidity effectively. Next, we dissect the major components that constitute air conditioning and refrigeration systems. Compressors, evaporators, condensers, expansion devices, and refrigerants are examined in detail, providing students with a comprehensive understanding of the internal workings of these systems. Moving forward, we explore psychrometric processes and their application in air conditioning design. Understanding the major air streams and their roles in the design process is crucial for achieving optimal comfort and efficiency in indoor environments. The classification of air conditioning systems adds another layer of knowledge to this module. The module concludes with a comprehensive examination of the vapor compression refrigeration cycle. Students will gain insight into the processes of compression, condensation, expansion, and evaporation, essential components in the refrigeration cycle. A detailed exploration of compressors, evaporators, condensers, expansion devices, and refrigerants further enriches our understanding. These components form the backbone of air conditioning and refrigeration systems, and complete understanding of their functions is essential for effective system design. Finally, we introduce alternative refrigeration systems, namely vapor absorption and thermoelectric refrigeration. Understanding these systems broadens the scope of knowledge and prepares students for addressing diverse cooling challenges.
Name:Heat load Calculations with samples and Psychrometry - Part 1
Description:Heat Load Calculations are the basics of HVAC design, determining the amount of heating or cooling required to maintain a comfortable indoor environment. By assessing various factors such as external and internal heat gains, occupancy, lighting, and climate conditions, engineers can accurately size and design HVAC systems. Real-world samples and case studies are integrated into the curriculum, allowing students to apply theoretical knowledge to practical scenarios. This hands-on approach ensures that learners not only understand the principles but can also adeptly navigate the complexities of heat load assessments. Psychrometry is the science of studying the thermodynamic properties of air and vapor mixtures, a fundamental aspect of HVAC design. Understanding psychrometric properties and processes is crucial for analyzing and deploying air conditions to achieve desired comfort levels. This module introduces learners to psychrometric charts, aiding in visualizing the relationships between temperature, humidity, and other air properties. Practical applications of psychrometry in HVAC systems, such as the design of air conditioning and refrigeration processes, are explored. The integration of Heat Load Calculations and Psychrometry is a specialty of this module. Students learn to control psychrometric data in heat load assessments, ensuring that HVAC systems not only meet thermal comfort requirements but also operate with optimal efficiency. The synergy between these concepts enables engineers to design systems that consider both sensible and latent heat, providing a complete approach to indoor climate control. Upon completion of this module, students gain industry-relevant skills to accurately estimate and manage heat loads in diverse settings. Whether designing systems for residential spaces, commercial buildings, or industrial complexes, the knowledge acquired in this module empowers learners to create HVAC solutions that are both effective and energy-efficient. In essence, this module serves as a comprehensive guide, arming learners with the knowledge and skills necessary to navigate the intricate world of Heat Load Calculations and Psychrometry, essential pillars in the design and optimization of HVAC systems.
Name:Heat load Calculations with samples and Psychrometry - Part 2
Description:Students can aware of the impact of various internal and external parameters that plays vital role in total heat gain for given space. The design of heating, ventilation, and air conditioning systems, as well as energy estimation for buildings are influenced by outdoor design circumstances as they directly influence the transmission heat gain of a structure. Student will learn to calculate total heat gain for given space using various tables provided in ISHRAE Standard and Carrier Handbook. ISHRAE stand for Indian Society of Heating, Refrigerating and Air Conditioning Engineers. With the help of ISHRAE students can set design condition for indoor/outdoor, select ventilation air standard & heat load standard for area and occupancy. Students can understand basic concept of psychrometric, significance of various air properties, various psychrometric processes and its implementation based on application. Basic concept of psychrometric and psychrometric processes are used to control the temperature, relative humidity, and quality of the room air which basic requirement of any HVAC system. Students will have practice on sample heat load calculation in this module. The importance of accurate load calculations for air conditioning design can never be overemphasised as it affects the selection of equipment. The calculations are performed for peak summer design conditions which normally will contribute to more heat gain into the space than monsoon. In this module students will get an opportunity to learn HVAC total load calculation based on L & T experience on very large project. This will help to calculate total heat load in building
This comprehensive HVAC course begins by establishing a solid foundation in the core concepts of air conditioning and refrigeration. Students are introduced to the technologies that are fundamental to controlling and manipulating air temperature and humidity, setting the stage for a deeper exploration of the subject. A pivotal aspect of effective HVAC system design is understanding the critical factors influencing the process. The course delves into these factors, ensuring that students grasp th
