L&T EduTech
Basics of Air Conditioning & Heat Load Calculation
L&T EduTech

Basics of Air Conditioning & Heat Load Calculation

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Course

Gain insight into a topic and learn the fundamentals

Intermediate level

Recommended experience

7 hours (approximately)
Flexible schedule
Learn at your own pace

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Recently updated!

June 2024

Assessments

3 assignments

Course

Gain insight into a topic and learn the fundamentals

Intermediate level

Recommended experience

7 hours (approximately)
Flexible schedule
Learn at your own pace

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This course is part of the Design of Ventilation& Air conditioning System for Buildings Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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There are 3 modules in this course

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.

What's included

20 videos1 reading1 assignment

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.

What's included

15 videos1 assignment

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

What's included

14 videos1 assignment

Instructor

Subject Matter Expert
L&T EduTech
67 Courses21,567 learners

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L&T EduTech

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