SASTech - Technical Journal of RUAS
  • Year: 2017
  • Volume: 16
  • Issue: 1

Design of Automotive Waste Heat Recovery System for Battery Charging Application

  • Author:
  • Sanjana Ramesh Tiwari1, V. Praveen Kumar2, S. Pranupa2
  • Total Page Count: 4
  • Page Number: 25 to 28

1PG Student, Faculty of Engineering and Technology, M.S. Ramaiah University of Applied Sciences, Bangalore, 560054

2Faculty of Engineering and Technology, M.S. Ramaiah University of Applied Sciences, Bangalore, 560054

Online published on 18 February, 2020.

Abstract

Electricity plays a major role in our day to day activities. Along with growing population, the per capita consumption of electricity has increased to 1010 kilowatt-hour (kWh) in 2014–2015, compared to 957 kWh in 2013–2014 and 914.41 kWh in 2012–2013, as given by the Central Electricity Authority (CEA). Therefore energy harvesting and better use of renewable energy sources are the fields of interest.

Heat is produced as by-product in most of the domestic and industrial applications. In the proposed work, heat generated in disc brake is the focus of study. Thermal analysis of disc brake is carried in Ansys and thermocouple temperature sensor equation model is developed in Simulink to obtain the equivalent output voltage. The thermocouple output is used to charge a 5 V, 1 A battery. As the output from a thermocouple is very low, a DC-DC boost converter is designed to boost the input signal. Furthermore, temperature distribution is a varying quantity therefore, input to boost converter also varies. Integral controller is designed to maintain output from boost converter at specified value. The boost converter works with 90% efficiency and peak overshoot of controller is less than 20% with settling time of 6*10-3 sec.

Keywords

Automotive Waste Heat Generation, Disc Brake, Brake System, Energy Harvesting, Thermocouple, Boost Converter