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Analysis and Comparative Study of Airless Tyre with Combination of Newly Designed Rim

Hindustan Institute of Technology and Science-Shivnandan Khatri, Balaji R II, Christu Paul R, Sangeethkumar Elumalai
  • Technical Paper
  • 2020-01-1233
To be published on 2020-04-14 by SAE International in United States
In upcoming generation of automobiles industry we are major focusing on optimization of tyre design. Tyres are the only medium which are responsible for moving a vehicle back and forth. Conventional tyres does the quite firmly and are currently in their best era. Few of the drawback of pneumatic tyres are they all suffer getting puncture, pressure maintenance, operating atmosphere can change the air density which causes pressure loss etc., these problems pushes industry to create new tyres which doesn’t carry same problems. The scope for improvement is always exist in the designing processes. Airless tyres are an option which doesn’t have any of the issues. Airless tyres are rubber structure which support the vehicle load during its all maneuverability. The structural design of the tyre decides the properties of tyre such as tyres stiffness, lateral stiffness, load bearing capacity and more. In this tyre design we have utilized properties of arc of a circle. Arc has a property of being more rigid to loads on one side on it and another side it would…
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Experimental Investigation on an EGR Based Diesel Engine Fueled with the Blend of Diesel and Plastic Oil and an Antioxidant Additive

Hindustan Institute of Technology and Science-Sathish Kumar Rajamanickam
SRM Institute of Science and Technology-Balaji Gnanasikamani, Suresh Kumar Kasinathan, Cheralathan Marimuthu
Published 2019-10-11 by SAE International in United States
Experimental investigations carried out in a diesel engine incorporated with Exhaust gas recirculation (EGR), fuelled with the blend of diesel and plastic oil along with an antioxidant additive (p-Phenylenediamine) are presented in this paper. Plastic oil is produced from waste plastics through the process of pyrolysis which could be a potential substitute to fossil diesel in diesel engine applications. Production of plastic oil provides solution to the global twin problems of plastic waste management and energy crisis. Investigations have been carried out with the test fuel separately, test fuel with the additive, test fuel with incorporation of EGR in the engine and test fuel with additive and EGR incorporation. Test results revealed that blend of diesel and plastic oil exhibited performance and emissions at par with pure diesel, 18% reduction in NO emission through EGR incorporation as compared to without EGR and 15% reduction in NO through use of antioxidant additive. It is found that the combined effect of EGR incorporation in the engine and antioxidant additive to the test fuel is a drastic reduction…
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Experimental Investigation on Mechanical Properties and Vibration Damping Frequency Factor of Kenaf Fiber Reinforced Epoxy Composite

Hindustan Institute of Technology and Science-Sathish Kumar Rajamanickam, Sivakumar Sattanathan, Deenadayalan Ganapathy, Joshuva Arockia Dhanraj
Sri Krishna College of Engineering and Technology-Vishnuvardhan Ravichandran
Published 2019-10-11 by SAE International in United States
Kenaf Fiber regarded as industrial crop for different applications. It is one of the most important plants cultivated for natural fibers globally. Natural fibers such as kenaf fibers are getting attention of researchers and industries to utilize it in different composites due to its biodegradable nature. In this present investigation mechanical properties, vibration damping frequency factor and thermogravimetric analysis of kenaf fiber reinforced epoxy composite (KFREC) have been evaluated and reported. The tests were conducted with different weight categories of kenaf fiber such as 20%, 25%, 30% and 35%. The effects of fiber content on tensile, flexural, impact strengths, hardness and thermal decomposition properties of the composite were determined. The failure mechanism and damage features of the KFREC were categorized using Scanning Electron Microscope (SEM). The results indicate that the increase in the fiber content decreases the damping vibration factor (ζ) correspondingly. The lowest value of the damping vibration factor was recorded as 0.033 for 35% weight content of Kenaf fiber in the composite. The maximum value of hardness, tensile, flexural, and impact strengths were…
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Assessment of Combustion, Performance, and Emission Phenomenon of a CI Engine Fuelled with Algal and Cottonseed Biodiesel

Hindustan Institute of Technology and Science-Hariram Venkatesan, J. Godwin John, S. Seralathan, T. Micha Premkumar
Published 2019-01-18 by SAE International in United States
The present study investigates the effect of algal and cottonseed biodiesel in a single-cylinder compression ignition engine. Oil extraction was achieved through grinding operation and Soxhlet lipid extraction from cottonseed and S. marginatum macro-algae, respectively, which was followed by a single-stage transesterification process. Gas chromatography-mass spectrometry analysis revealed the presence of linoleic acid in prominent proportion for algal biodiesel. The physiochemical properties of cottonseed and algal biodiesel were comparative and found to be within American Society for Testing and Materials (ASTM) D6751 standards. At rated load, neat algal biodiesel showed elevated in-cylinder pressure, rate of pressure rise, and rate of heat release. Higher ignition delay with neat biodiesel resulted in prolonged combustion duration. Algal biodiesel produced higher brake thermal efficiency than cottonseed biodiesel along with 16.67% of lower brake-specific fuel consumption (BSFC) at full load. Furthermore, lower unburned hydrocarbon, smoke, and carbon monoxide were evidenced especially at full load with significant increase in oxides of nitrogen.
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