SS3 Second Term Air Conditioning And Refrigeration Lesson Note and Scheme of Work
Week 1: Advanced Refrigeration Systems
Lesson Note:
Review of basic refrigeration principles.
Introduction to advanced refrigeration systems such as cascade refrigeration, absorption refrigeration, and cryogenic refrigeration.
Comparison of advanced refrigerants and their applications.
Exploration of emerging technologies in refrigeration.
Activities:
Case studies on the practical applications of advanced refrigeration systems.
Group discussions on the advantages and disadvantages of different refrigerants.
Hands-on experiments with cryogenic materials and equipment.
Week 2-4: Energy Efficiency and Environmental Sustainability
Lesson Note:
Importance of energy efficiency in air conditioning and refrigeration systems.
Strategies for reducing energy consumption and environmental impact.
Regulations and standards related to refrigerant management and emissions.
Role of renewable energy sources in powering HVAC systems.
Activities:
Energy audit exercises to assess the efficiency of existing HVAC installations.
Guest lectures from environmental agencies and industry experts on sustainability practices.
Group projects to design eco-friendly cooling solutions for residential and commercial buildings.
Week 5-7: Air Quality Control and Indoor Environmental Quality
Lesson Note:
Factors affecting indoor air quality (IAQ) and human health.
Overview of ventilation systems and air filtration technologies.
Importance of proper humidity control and microbial management.
Strategies for mitigating indoor air pollution in different environments.
Activities:
Field trips to facilities with advanced air quality control systems.
Laboratory experiments to analyze air samples and assess IAQ parameters.
Group presentations on the effects of poor indoor air quality and potential solutions.
Week 8-10: System Design and Installation
Lesson Note:
Principles of system design for air conditioning and refrigeration projects.
Factors to consider in equipment selection and sizing.
Installation techniques and best practices.
Compliance with building codes and safety regulations.
Activities:
Design workshops where students create HVAC system layouts for various scenarios.
Site visits to observe real-world installation procedures.
Role-playing exercises to simulate interactions between HVAC technicians and clients during project planning.
Week 11: Revision Week
Lesson Note:
Consolidation of knowledge and skills acquired throughout the term.
Review of complex topics and problem-solving strategies.
Individualized support for students preparing for exams or practical assessments.
Activities:
Mock design challenges to test students’ understanding of system design principles.
Peer-led study groups focused on specific areas of difficulty.
Week 12: Examination week.
Week 13: Vacation week.
