AIR HYBRID CYCLE.

In the present scenario, owing to the increasing number of automobiles the need for petroleum products is reaching its peak point. Petroleum products are non-renewable and may possibly get exhausted in the future, so it is better to move to alternate energy sources. Crude oil prices have increased significantly over the past few years and there seems to be no turning back. Currently, there has also been a focus on the environment and it seems that the demand for cleaner alternatives for fuel has become critical. The increasing demand for pollution-free transportation has boosted the use of air hybrid cycle electric power for transportation thereby reducing the reliance on automobiles. An Electric Bicycle is a low-cost alternative to an automobile. Although the concept of the electric bicycle is not new it has not been completely explored. The air hybrid cycle focuses on the design and testing of a hybrid electric bicycle. The project is challenging with respect to the conversion of the existing mechanical system to the one that incorporates both human pedaling and utilization of solar energy.

METHODOLOGY 

The main aim of the project was to ensure efficient operation of the Hybrid Bicycle by meeting the drive requirements. Considering legal limits on the speed of electric bicycles, the maximum speed of the Hybrid Bicycle was considered to be 28kmph. Since regeneration is involved, determining the type of components to be used, given the constraints of weight and size became more crucial. The main components required for this project are listed below.

• Motor
• Battery
• Solar Cell
• Throttle
•  Frame
• DC-DC Boost Converter

AIR HYBRID CYCLE MATERIAL 

This paper explores the effective application of pneumatic power. The pneumatic vehicle will replace the battery-operated vehicles used in industries. Pneumatic powered vehicle requires very less time for refueling as compared to battery-operated vehicle. At the end of this review, we conclude that the compressed air technology can be tested and developed using the Vaned Type Novel Air Turbine as there are minimal losses and practically their efficiency varies from 72-97% which is very high when compared to a conventional IC engine. Future developments can be made by designing an ideal vehicle for this kind of engine

DESIGN

Welding an offset to the main rear support of the wheel to hold the crank. A secondary freewheel welded to normal market supply. Created clip using galvanized tin at the workshop. Auxiliary support is cut out of tin sheet and bolted to the main handle with all the mountings.

A lightweight mild steel disc was used initially which later replaced with a light aluminum disc due to buckling. It sufficiently reduced the inertia of part during every start of pedaling. 

VEHICLE HYBRIDIZATION

Growing environmental concerns, together with higher fuel prices and more stringent emission legislation, has created a need for cleaner and more efficient alternatives to the propulsion systems of today. Currently, vehicles are equipped with engines having a maximum thermal efficiency of 30-40%. The average efficiency is much lower, especially during city driving since it involves frequent starts and stops. One alternative to the propulsion systems of today that has gained momentum over the last decade is the hybridization of vehicles. 

PERFORMANCE OF AIR HYBRID CYCLE

This cycle is equipped with an alloy hybrid rigid front suspension that evens out bumps. As a result, you’ll feel less fatigued while pedaling uphill or on rugged roads. The Prowheel alloy crankset and the sealed BB set reduce chain drag and slips, thereby adding to your convenience while cycling.

ADVANTAGES OF AIR HYBRID CYCLE

• It is easy to flexible and easy to drive and control.
• It is automatic as well as manual in operation.
• It is intended for indoor and outdoor.
• It has a compact structure and aesthetic shape.  

DISADVANTAGES OF AIR HYBRID CYCLE

• It can not use for long-distance.
• Lack of a braking system.
• It cannot be used effectively in uneven road conditions due to the possibility of disturbances in the alignments.

CONCLUSION

In the present paper, a thorough investigation of the parameters influencing the pneumatic hybrid powertrain performance during compressor mode has been conducted. The results have shown that theoretically, calculated valve timings can give satisfying results during the compressor mode. However, optimal performance can only be achieved by the optimization of valve timings. 

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