SHM 204 - CAD and HVAC Design

 
Description
In this course, students synthesize computer-aided design (CAD) and heating, ventilation and air conditioning (HVAC) system principles. The focus is on applying mechanical drawing and mathematical skills to create HVAC design drawings that align with the Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) and American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) design manuals. Mastery of CAD software and problem-solving within HVAC system design contexts is emphasized.

1. Classify HVAC system types by analyzing engineering drawings. 
2. Evaluate HVAC systems for spatial and cost efficiency. 
3. Calculate airflow changes in HVAC systems based on design variables. 
4. Characterize airflow dynamics within different HVAC systems. 
5. Compute the British Thermal Units (BTUs) necessary for system modifications. 
6. Describe heat transfer principles within HVAC contexts. 
7. Measure duct systems’ static, velocity and total pressures. 
8. Estimate pressure variations in duct fittings under various conditions. 
9. Determine the impact of changes in revolutions per minute (RPM), static pressure and brake horsepower on fan operations. 
10. Sketch HVAC shop drawings that incorporate all system fabrication and installation requirements, adhering to engineering and shop standards.

1. HVAC system overview 
2. HVAC components 
3. Air properties 
4. Psychometrics 
5. Duct sizing principles 
6. Duct design considerations 
7. Fitting coefficients 
8. Blueprint analysis 
9. Specification interpretation 
10. Fans and fan law applications 
11. Shop drawing creation 

• Critical Thinking & Problem Solving
• Quantitative & Scientific Reasoning

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