In this paper the WhisperGen™ micro combined heat and power (microCHP) system, its advantages, control and possible scope for improvement are explored. Concept of active Stirling engine (ASE) is introduced. A test rig designed to test possible improvements of the efficiency and controllability of a kinematic Stirling engine based microCHP system is explained.
This article provides the design of the Kinetic Energy Recovery System designed for Effi-Cycle 2012 competition conducted by the Society of Automotive Engineers, North India Section in Chandigarh, India. This hybrid tricycle has the capability to be driven by 2 humans simultaneously and also by a 400W BLDC motor. The tri-cycle won the Overall First, Best Acceleration and First Runner-up in the Endurance awards. A Kinetic Energy Recovery System (KERS), also known as regenerative braking system, is inbuilt into it in order to harness the energy lost during braking. The Regenerative Braking system used in Effi-cycle makes use of an electronic energy efficient converter to store energy regenerated from the motor during braking, in the form of electrical energy. The system monitors the effective voltage at the BLDC motor driver outputs and calculates the required control algorithms to drive the converter and recover the maximum energy at any point. Microcontrollers are used to monitor the performance of the entire system by tabulating and analysing the different sensor values.
The maxillofacial silicone elastomers presented deterioration in color, hardening, and significant variations in surface roughness when subjected to chemical disinfection and accelerated aging, which provides a valid baseline for future research.
This technical paper provides a literature review on Hybrid Electric Vehicles and various hybrid topologies associated with it. Different kinds of hybrids are available in different parts of the world in various brand names. The main aim of this review is to identify the pros and cons of some prominent topologies that could pave a way to the proposition of new and efficient design. Results from the study indicate that hybrids have a potential to bridge the gap between pure gasoline vehicles to plug in electric vehicles leaving behind time for the technology to mature and to make improvements in the infrastructure for Eco-friendly vehicles.
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