Free online courseRefrigeration and air-conditioning
Duration of the online course: 17 hours and 58 minutes
New course
Enroll in this free online course on Refrigeration and Air-conditioning to master thermodynamics, cooling loads, vapour cycles, air distribution systems, and more.
Course Description
The course titled "Refrigeration and Air-Conditioning" offers a comprehensive exploration into the realm of thermal management systems. With a duration of 17 hours and 58 minutes, this professional course encapsulates a detailed study categorized under refrigeration and air conditioning, focusing on crucial principles and advanced applications pertinent to this field.
This in-depth course begins with a thorough Recapitulation of Thermodynamics, ensuring that students are grounded in the essential concepts that form the backbone of refrigeration systems. Moving forward, the Introduction to Refrigeration sets the stage for more complex topics, providing a clear understanding of the basics and laying the groundwork for intricate cycles and systems discussed later.
The curriculum advances into specific cycles starting with the Air Refrigeration Cycle and its various applications, including a detailed examination of Aircraft Refrigeration Cycles across three segments. These segments dissect the unique requirements and engineering solutions pertinent to aircraft, highlighting the differences and challenges associated with high-altitude and high-speed conditions.
Next, the course delves into the Vapour Compression Cycle, presented in a two-part series. This section is crucial as it discusses the most widely used refrigeration cycle, including the use and interpretation of P-h Charts. The discussion extends to the Actual Vapour Compression Cycles, accounting for real-world deviations from ideal cycles over two sessions.
The exploration continues with Compound Compression with Intercooling and Multiple Evaporator and Cascade Systems, elaborating on more complex refrigeration architectures aimed at improving efficiency and performance. Throughout the course, various techniques and strategies are explained through Problem Solving modules, ensuring practical understanding and application of theoretical knowledge.
The segment on Refrigerants introduces and analyzes different types of refrigerants, emphasizing their properties, applications, and environmental impact across two parts. Following this, three sessions are dedicated to Vapour Absorption Systems, an alternative refrigeration technique significant in both historical context and modern sustainable applications.
In transitioning to the second major part of the course, Introduction to Air-conditioning, the course addresses the fundamental principles and the nuances of air-conditioning systems. Concepts such as the Properties of Moist Air are covered in detail, with practical learning facilitated through the utilization of the Psychrometric Chart.
The Psychrometric Processes are dissected across three sessions, providing a step-by-step understanding of how air properties change under various cooling and heating conditions. Additional elements like Infiltration and Design Conditions highlight practical considerations in creating effective air-conditioning systems.
The course meticulously covers the Cooling Load calculations in a three-part series, examining how to accurately determine the amount of cooling required to maintain desired indoor conditions. This is complemented by sections on the Air Distribution System, ensuring participants understand the dynamics of airflow and distribution within conditioned spaces.
To provide a holistic understanding, the course also integrates aspects of Human Physiology, Thermal Comfort, and Indoor Environmental Health. These topics emphasize the import.
Conteúdo do Curso
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Video class: Recapitulation of Thermodynamics
0h32m
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Exercise: Which of the following processes describes a transformation where the volume remains constant?
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Video class: Introduction to Refrigeration
0h27m
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Video class: Air Refrigeration Cycle
0h25m
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Exercise: Which cycle is referred to as the 'reverse Joules Brayton cycle' in air refrigeration systems?
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Video class: Aircraft Refrigeration Cycles-1
0h24m
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Video class: Aircraft Refrigeration Cycles-2
0h23m
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Exercise: Which refrigeration cycle introduces an evaporative cooler just before the expansion turbine to further decrease the air temperature?
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Video class: Aircraft Refrigeration Cycles-3
0h23m
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Video class: Vapour Compression Cycle1
0h25m
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Exercise: What is the impact of increasing the clearance ratio in a vapor compression refrigeration system's reciprocating compressor?
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Video class: Vapour Compression Cycle2
0h25m
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Video class: P-h Charts
0h23m
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Exercise: What does the P-H chart stand for in refrigeration and air conditioning?
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Video class: Actual Vapour Compression Cycle-1
0h25m
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Video class: Actual Vapour Compression Cycle-2
0h29m
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Exercise: What is the result of increasing evaporator pressure in a vapor compression cycle?
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Video class: Compound Compression with Intercooling-1
0h25m
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Video class: Compound Compression with Intercooling-2
0h23m
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Exercise: What is the main purpose of intercooling in a refrigeration system?
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Video class: Multiple Evaporator and Cascade System
0h29m
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Video class: Problem Solving
0h26m
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Exercise: What is the effect on the room temperature if the door of a refrigerator is left open?
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Video class: Refrigerants-1
0h27m
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Video class: Refrigerants-2
0h22m
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Exercise: Which of the following statements is TRUE about an ideal refrigerant in terms of environmental impact?
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Video class: Vapour Absorption Systems-1
0h27m
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Video class: Vapour Absorption Systems-2
0h26m
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Exercise: Which component in a vapor absorption refrigeration system is responsible for raising the pressure of the refrigerant-absorbent mixture?
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Video class: Vapour Absorption Systems-3
0h25m
This free course includes:
17 hours and 58 minutes of online video course
Exercises to train your knowledge
Certificate of course completion
100% free, from content to certificate
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