uLektz Skills

Learning Path

Non-Linear: Random Order

About the Course

Course Description

The course consists of different refrigeration cycles and understanding of psychrometry and psychrometric processes used for the purpose of air-conditioning and Vapour Absorption System

Objectives

1.Will familiarize about Air Refrigeration System, Vapour Compression System, Multi-stage compression and Multi-evaporator systems

2.Will demonstrate Electrolux / Three fluid system

3.Will develop knowledge in Requirements of comfort air conditioning : Oxygen supply, Heat removal, moisture removal, air motion, purity of air

Prerequisite

There is no particular prerequisite to learn Refrigeration & Air Conditioning, you will be able to do very well, if you have these basic skills:

1. Basic Knowledge in Air Conditioning System

2. Good Computer Knowledge

3. Good communication skills.

Course Study Materials

Module 1: Air Refrigeration System, Vapour Compression System, Multi-stage compression and Multi-evaporator systems

1.1 Air Refrigeration System : Introduction, Unit of refrigeration, Coefficient of performance
1.2 Vapour Compression System: Analysis of theoretical vapour compression cycle
1.3 Representation of cycle on T - S and p - h diagram
1.4 Simple saturation cycle, sub-cooled cycle and super-heated cycle
1.5 Actual vapour compression cycle. Problem illustration and solution.
1.6 Multi-stage compression and Multi-evaporator systems : Different arrangements of compressors and inter-cooling
1.7 Multistage compression with inter-cooling
1.8 Multi-evaporator system
Air Refrigeration System, Vapour Compression System, Multi-stage compression and Multi-evaporator systems 10 Questions

Module 2: Vapour Absorption System, Thermoelectric Refrigeration, Refrigerants

2.1 Vapour Absorption System: Simple Ammonia - absorption system
2.2 Improved absorption system, Analysis of vapour absorption system (Specifically of analyzing colorman and rectifier)
2.3 Electrolux / Three fluid system
2.4 Lithium-bromide-water vapour absorption system
2.5 Thermoelectric Refrigeration: Basics and Principle. Defining the figure of Merit
2.6 Refrigerants : Classification of refrigerants and its designation- Halocarbon (compounds, Hydrocarbons, Inorganic compounds, Azeotropes)
Vapour Absorption System, Thermoelectric Refrigeration, Refrigerants 10 Questions

Module 3: Psychrometrics, Requirements of comfort air conditioning and Air Conditioning System

3.1 Psychrometrics
3.2 Psychrometric chart, simple heating and cooling
3.3 Humidification, De-humidification
3.4 Requirements of comfort air conditioning : Oxygen supply, Heat removal, moisture removal, air motion, purity of air
3.5 Thermodynamics of human body
3.6 Comfort And Comfort Chart, Effective Temperature, factors governing optimum effective temperature
3.7 Air Conditioning System
3.8 Winter air conditioning and year round air conditioning
3.9 Cooling load calculations
Psychrometrics, Requirements of comfort air conditioning and Air Conditioning System 10 Questions

Final Assessment

Final Assessment 20 Questions

The certificate issued for the Course will have

Student's Name
Photograph
Course Title
Certificate Number
Date of Course Completion
Name(s) and Logo(s) of the Certifying Bodies

Only the e-certificate will be made available. No Hard copies. The certificates issued by The Academic Council of uLektz. can be e-verifiable at www.ulektzskills.com/verify.

Students will be assessed both at the end of each module and at the end of the Course.
Students scoring a minimum of 50% in the assessments are considered for Certifications