AM4020 Thermal Management of Hybrid Systems Syllabus:
AM4020 Thermal Management of Hybrid Systems Syllabus – Anna University PG Syllabus Regulation 2021
OBJECTIVES:
The course should enable the students:
To understand the concepts of fluid mechanics and heat transfer
To Design concepts for Heat Extraction in Motors
To identify the thermal magangement of battery systems and power electronics
To apply the concepts of thermal management in various automotive systems.
UNIT I REVIEW OF THERMODYNAMICS, FLUID MECHANICS, AND HEAT TRANSFER
First Law of Thermodynamics for open and closed systems; internal energy, enthalpy, and specific heat – Second Law of Thermodynamics for closed systems; Tds equations, Gibbs function – Fluid mechanics: laminar vs. turbulent flow, internal flow relationships, Navier Stokes equations – Heat transfer: simple conduction, convection, and radiation relationships; Nusselt number relationships for convective heat transfer; energy equation.
UNIT II THERMAL MANAGEMENT OF MOTORS
Motor Sizing vs Heat Generation – Operational Temperature Limitations of Electrical Insulation – Design concepts for Heat Extraction in Motors for xEV systems – Modelling and simulation of heat transfer in motors – Rendering of Heat extraction solutions – Sensors and Protection solutions.
UNIT III THERMAL MANAGEMENT FOR BATTERIES
Thermal control in vehicular battery systems: battery performance degradation at low and high temperatures – Passive, active, liquid, air thermal control system configurations for HEV and EV applications – Battery Heat Transfer
UNIT IV THERMAL MANAGEMENT FOR POWER ELECTRONICS
Introduction to battery modeling: tracking current demand, voltage, and State of Charge as functions of time for given drive cycles – Development of thermodynamic relationships for cell heat generation – Lumped cell and pack models for transient temperature response to drive cycles – Model parametric study results
UNIT V THERMAL MANAGEMENT SYSTEMS
Overall energy balance to determine required flowrates – Determination of convection and friction coefficients for air and liquid systems in various geometric configurations: flow around cylinders, flow between plates, flow through channels – Development of a complete thermal system model and parametric study results – Temperature control and heat transfer using phase change materials – Thermal Management of Power Electronics.
TOTAL: 45 PERIODS
OUTCOMES:
The students should be able to:
Understand the concepts of fluid mechanics and heat transfer
Design concepts for Heat Extraction in Motors
Identify the thermal magangement of battery systems and power electronics
Apply the concepts of thermal management in various automotive systems.
REFERENCES:
1. Nag.P.K, “Engineering Thermodynamics”, 5th Edition, Tata McGraw Hill Education, New Delhi, 2013.
2. Jerry Sergent, Al Krum, “Thermal Management Handbook: For Electronic Assemblies Hardcover”, 1998, Mc Graw- Hill.
3. “ Vehicle thermal Management Systems Conference Proceedings”, 1st Edition; 2013, Coventry Techno centre, UK
4. Younes Shabany,” Heat Transfer: Thermal Management of Electronics Hardcover” 2010 , CRC Press.
5. T. Yomi Obidi, “Thermal Management in Automotive applications”, 2015, SAE International.