Course structure
Session 1: Vehicle Perspective
- Overview Typical Cooling Airflow Systems
- Design Drivers
- A Classification of Vehicle Cooling Systems
- Industrial Air-cooled Heat Exchanger Assemblies
- Impact of System & Sub-system Requirements
- Thermal Recirculation
- Design Challenges
Session 2: Key Concepts – System Heat Transfer Equation and Pressure Losses
- 1st Law of Aerodynamics
- Radiator Heat Transfer Equation
- Definition of Standard Air
- Airflow Terminology and Standard Cubic Feet per Minute (SCFM)
- Bernoulli’s Equation and Ram Pressure
- Pressure Loss Coefficient
- Vehicle Air Flow Restrictions – Flow Energy Losses
- Construct a System Pressure Loss Curve
Session 3: Fan Airflow
- Fan Classification and Specific Speed
- Fan Characteristic Curve and System Matching
- Air Performance Test Chambers (AMCA)
- Axial Fan Systems, Pusher and Puller
- Exercise the Fan Laws to Evaluate Design Alternatives
- Shroud Design Considerations
- Vehicle Installation Effects – Fan Position, Tip Clearance, Radiator Proximity
Session 4: Fan and Ram Airflow Map
- Ram Airflow
- Flow Energy Balance Equation
- Fan Operation with Ram
- Ram Total-Pressure Recovery
- Calculate System Loss Curve, Fan Operating Point and Cooling Airflow
Session 5: Compact Heat Exchangers
- Thermal Classification of Heat Exchangers
- Compact Heat Exchangers in Vehicle Applications
- Radiator Effectiveness and Louvered Fins
- Charge Air Coolers, Performance Calculation Against Requirements
- Air-Side Fouling Study and Heat Exchanger Design Considerations
- Thermal Accumulation Calculation
Session 6: Estimating Powertrain Heat Rejection
- SAE Dynamometer Gross Power Test Procedures
- Dynamometer Data on Engine Heat Rejection
- Brake Mean Effective Pressure (BMEP), A Power Density
- Specific Heat Rejection (SHR) Characteristic Curve
- EGR Heat Rejection to Coolant
- Evaluation of Diesel Cooling System
- Tools and Methods for System Development
Materials Provided
- 90 days of online single-user access (from date of purchase)
- 12 hours of instructor-delivered content
- Course workbook (downloadable, .pdf\’s)
- Online learning assessment
- Instructor follow up to your content questions
- 1.2 CEUs* (upon completion of all course modules and satisfactory assessment score)
*SAE International is authorized by IACET to offer CEUs for this course.
