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HVAC Syllabus, Day one, AM
Initial technical survey;
Introduction; HVAC history; Hardware; Design procedure outline; Design fundamentals; Basic heat transfer equations and thermodynamic
principles; Begin AC model roadmap; Specify conditons; Body leakage curve; Psychrometric concepts; Air enthalpy; Dry and wet
bulb temperatures; Specific humidity; Determine evaporator duty; Select evaporator; Determine refrigerant flow; Determine
AC compressor requirements at constant entropy; Evaporator and compressor performance curves; Ideal reverse Carnot cycle (PH
diagram); COP (coefficient of performance); Problem set 1.
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HVAC Syllabus Day one, PM
Front end system resistance
to air flow curve; Condenser fan curve operating point; Determine condenser duty, superheat and subcooling; Condenser performance
curve; Air flow requirements; Fan size; Complete first road map model; Investigate additional conditions; Sizing of flow devices;
Desiccants; Plumbing suction and discharge lines; Air distribution system; Blower wheel and motor; Positive and negative pressure
coefficients; Problem set 2.
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HVAC Syllabus Day two, AM
AC outlets: Heater outlets;
Defrost and demist outlets; CFD airflow analysis; Spreading factor; Target velocity; Temperature and plume area at the target;
Defroster design guideline; Exhausters; Negative pressure coefficients; NTU; Heater design; Coolant pump; Heater performance
curves air and coolant side; Heater overall, outside and inside heat transfer coefficients; LMTD, Reynolds number; Effectiveness;
Performance variables; Engine spark strategy; Corrosion and fouling; Controls, manual and automatic; Blend air linearity curve;
Durability concepts; Warranty; Refrigerants; EPA driving cycle; OEM-Supplier responsibilities; Development- Laboratory equipment;
Development plan; Functional objectives; Determine body leakage and blower curves; Problem set 3.
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HVAC Syllabus Day two PM
Development- Condenser air flow;
Fan and shroud characteristics; Fan design; Fan selection; Determination of mass air flow through condenser; Non-uniformity
correction to supplier performance curves(evaporator, condenser, fan, blower, compressor, heater; Front end system resistance;
Viscous drives; Seals; Charge determination; Superheat determination; Duct and outlet balance; Condensate freeze up, water
carry over and odor; Hot soak and cooldown; Highway to extended idle; Cold soak and warm up; Field trips; Subjective juries;
Durability analysis; Refrigerant Quality; Review and final technical survey.
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