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Impact of Waste Plastic Oil and Its Blends on Performance Combustion and Emission Characteristics of CRDI Engine

MLR Institute Of Technology-Bridjesh Pappula
VIT-AP University-Arani Vijaya Rao Krishna Chaitanya
Published 2019-10-11 by SAE International in United States
Utilization of diesel is augmented consistently by transportation and industrial sectors which is making its existence obsolete in near future. Tremendous research has been done by many researchers to find an appropriate alternative for diesel fuel, in this scenario abundant acquisition of plastic wastes and their improper retreating techniques has grabbed the attention of researchers to convert them into alternative fuel for IC engines. This experimental investigation aims to study the performance, combustion and emission characteristics of common rail direct injection (CRDI) fuelled with waste plastic oil and diesel blends at different injection strategies and at various loading conditions. From the results it is noticed that slight decline in the thermal efficiency of the engine when operated with waste plastic oil (100%) due to high viscosity and lower heating value. There was a momentous diminishment in NOx emissions for low injection pressures of plastic diesel blend (P30). This study shows that waste plastic oil blend can be successfully used as fuel in the diesel engines without any considerable modifications.
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Tool Condition Monitoring in Face Milling Process Using Decision Tree and Statistical Features of Vibration Signal

B S Abdur Rahman Crescent Institute of Science & Technology-Pradeep Kumar Durairaj, Muralidharan Vaithiyanathan
Published 2019-10-11 by SAE International in United States
In milling process, the quality of the machined component is highly influenced by the condition of the tool. Hence, monitoring the condition of the tool becomes essential. A suitable mechanism needs to be devised in order to monitor the condition of the tool. To achieve this, condition monitoring of milling tool is taken up for the study. In this work, the condition of the tool is classified as good tool and tool with common faults in face milling process such as flank wear, worn out and breakage of the tool based on machine learning approach using statistical feature and decision tree technique. Vibration signals of the milling tool are obtained during machining of mild steel. Statistical features are extracted from the obtained signal, in which the important features are selected using decision tree. The selected features are given as the input to the same algorithm. The output of the algorithm is utilized for classifying the different conditions of the tool. The experimental results show that the accuracy of decision tree technique is at the acceptable…
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Study on Effect of Laser Peening on Inconel 718 Produced by DMLS Technique

Vellore Institute of Technology-Nattudurai Navin Kumar, Aditya Chandrakant Yadav, Kumar Raja, Subramanian Prabhakaran, Chooriyaparambil Damodaran Naiju, Sivaperuman Kalainathan
Published 2019-10-11 by SAE International in United States
In Additive manufacturing, Direct Metal Laser Sintering (DMLS) is a rapid manufacturing technique used for manufacturing of functional component. Finely powered metal is melted by using high-energy fiber laser, by Island principle strategy that produces mechanically and thermally stable metallic component with reduced stresses, thermal gradients and at high precision. Inconel is an austenitic chromium nickel-based superalloy often used in the applications which require high strength and temperature resistant. It can retain its properties at high temperature. An attempt is made to examine the effect of laser shot peening (LSP) on DMLS Inconel 718 sample. Microstructure shows elliptical shaped structure and formation of new grain boundaries. The surface roughness of the material has been increased due to the effect of laser shock pulse and ablative nature. Macro hardness increased to 13% on the surface. Depth wise microhardness was investigated, found to be 17% increase on the sub-layer of the material due to the effect of a hardened matrix formed by precipitation hardening and grain size refinement attributed by laser shock peening. SEM analysis shows larger…
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Design of a Novel Electro-Pneumatic Gear Shift System for a Sequential Gearbox

Vellore Institute of Technology-Jeevesh Jain, Vaibhav Mittal, Dore Ranganath Srinivasa Raghuraman, Shivam Singh Rathore, Sumit Nilesh Vadodaria
Published 2019-10-11 by SAE International in United States
This paper describes the design of a novel pneumatic gear shifting system to replace the existing gear stick manual shifting system for ease of the driver while shifting gears. The aim of this work is to have a semi-automatic shifting (pneumatic shifting) removing the need for the driver clutch operation. The system consists of a solenoid valve, CO2 gas-pressurized cylinder, double-acting cylinder, and single-acting cylinder. On basis of the signal received the gear needs to be changed, the shifter opens or closes a magnetic valve assembly. The solenoid valve allows the compressed air into the piston that comes from a pressurized cylinder, in order to create the effect of shifting gears. The pedal shifter and buttons are used to shift the gears. The pedal shifter was designed by using a 3-D printing technique using PLA material. The microcontroller used is ATMEGA-328 in this system. There are three switches, one for upshift, downshift, and clutch respectively. An algorithm has been created in a microcontroller for a sequential gearbox of CBR 600RR. The system has been so…
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Implementation and Experimentation of Effective Clog Removal Method in Tractors for Enhanced Condenser Life and Air Conditioning Performance During Reaper Application

Mahindra & Mahindra, Ltd.-Gurpreet Singh, Prabhakaran Arumugam, Rakesh Sharma
Mahindra Research Valley-Shreekant Srivastava
Published 2019-10-11 by SAE International in United States
Tractors in the field are exposed to adverse operating conditions and are surrounded by dust and dirt. The tiny, thin and sharp broken straw and husks surround the system in reaper operation. The tractors which are equipped with air conditioning system tend to show detrimental effects in cooling performance. The compressor trips frequently by excess pressure developed in the system due to condenser clogging and hence cooling performance is reduced considerably. The air conditioning performance reduces due to the clogged condenser located on the top roof compartment of operator’s cabin, which is better design than keeping in front of radiator where clogging happens every hour and customer need to stop the tractor to clean it with specific blower. The present system is designed keeping condenser at the top of the roof where heavy particles won’t reach easily, So, condenser choking/clogging is observed every 2 hours, this makes the operator to perform repetitive cleaning operations with specific equipment and is a time-consuming process. The present system utilizes the condenser fan operating logic to eliminate this issue…
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Design and Analysis of Natural Fibre Reinforced Epoxy Composites for Automobile Hood

SRM Institute Of Science And Technology-Akhil Kumar Guduru, V N B Prasad Sodisetty, Vidya Prudhvi Sai Katari
Published 2019-10-11 by SAE International in United States
The need for eco-friendly materials is recently increasing in the automobile and aerospace sectors. Material selection for automobile components is influenced by various factors such as cost, weight and strength. Natural fibers offers various advantages over conventional materials such as environmental friendly, easily available, recyclable and higher specific strength. Among the natural fibers Sisal and Kenaf fibers are selected for present study due to their good mechanical properties and availability. Kenaf fibers have great potential to be used as construction and automotive materials due to their long fibers which are derived from the bast. Sisal fibers do not absorb moisture and possess good impact, sound absorbing properties and high fire resistance properties. Epoxy LY556 is selected as matrix material to bind the combination of these two natural fibers due to its high temperature resistance and adherence to reinforcements. Alkaline treatment was carried out to remove the moisture from the natural fibers. Fabrication of epoxy/Kenaf fibre/Sisal Fibre composite materials of different stacking sequence was carried out by Vacuum Assisted Resin Transfer Molding (VARTM) method. These composites…
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Design Analysis and Simulations of Components of an All-Terrain Vehicle

BITS Pilani-Pranjal Shukla, Konark Joshi, Utkarsh Rastogi, Ajith Reddy Moola
Published 2019-10-11 by SAE International in United States
A single seater All-Terrain Vehicle (ATV) is conceptualized in this paper which covers the extent of designing and simulations ranging from static structural, fatigue analysis, explicit dynamics etc. Solidworks and Ansys Workbench have been used as the tools for the simulation. Our aim was to design and fabricate a vehicle which is light weight (<200Kgs), easily maneuverable in harsh driving conditions and also scores high in affordability and maintenance.This report also contains the design consideration of the chassis, steering, suspension, braking, powertrain. Simulation results of components like hubs, knuckles, A-Arms, chassis are done with special focus on modelling based on real time forces and behaviors. MATLAB Simulink models are used and explained for the suspension model.The vehicle was fabricated in-house using various fabrication methods of TIG Welding, Vertical CNC machines etc. The strength tests for the specimens of welding were checked for the safety of the chassis. The vehicle was tested on tracks for braking, steering and acceleration and further modifications were made in the design to incorporate the iterations.
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Experimental Study on Tool Wear and Cutting Temperature during Machining of Nimonic C-263 and Waspaloy Based on Taguchi Method and Response Surface Methodology

Sri Sairam Engineering College-Vetri Velmurugan Kannan
Vellore Institute of Technology-Venkatesan Kannan, Devendiran Sundararajan
Published 2019-10-11 by SAE International in United States
Nickel based materials of Nimonic C-263 and Waspaloy are used nowadays for aerospace applications owing to its superior strength properties that are maintained at a higher temperature. Tool wear and cutting temperature in the vicinity of cutting edge are two essential machinability characteristics for any cutting tool. In this regard, this study is pursued to examine the influence of factors on measuring of tool wear (Vba) and cutting temperature (Ts) during dry machining of two alloys studied experimentally based on Taguchi method and response surface methodology. Taguchi’s L16 orthogonal array is used to design the experiment and a PVD (TiAlN), CVD (TiN/Al2O3/TiCN) coated carbide inserts are used on turning of two alloys. The factor effect on output responses are studied using analysis of variance, empirical models, and responses surface 3D plots. To minimize the response and to convert into one single optimum level, responses surface desirability function approach is applied. The results show that progress of flank wear associated with Waspaloy is faster that of Nimonic C-263 due to high cutting temperature for Waspaloy that…
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Vision Based Surface Roughness Characterization of Flat Surfaces Machined with EDM

BSA Crescent Institute of Science & Technology-Mahashar Ali, Siddhi Jailani, Mangalnath Anandan, Vignesh Pavithran
Vellore Institute of Technology-Murugan Mariappan
Published 2019-10-11 by SAE International in United States
Surface roughness measurement is an important one in any manufacturing next to dimensions. In this investigation, a vision system and image processing tools were used to develop reliable surface roughness characterization technique for Electrical Discharge Machined surfaces. A CMOS camera with red LED light source were used for capturing images of EDMed surfaces. A separate signal vector generated for all the images from its image pixel intensity matrices. The mean, skewness and kurtosis were obtained from the signal vector. The mean, skewness and kurtosis of the images signal vector correlates very well with the stylus measured hybrid roughness parameters Rda and Rdq. Hence the technique may be preferred for online surface roughness characterization of Electrical Discharge Machined (EDMed) surfaces.
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A Novel Method of Improving Ride Comfort of Two Wheeler by Optimization of Seat Parameters

Carmel Polytechnic College-Francis Augustine Joseph
Saingits College of Engineering-Arun Kottayil Varghese
Published 2019-10-11 by SAE International in United States
Two-wheeler plays a significant role in personal transportation in India. People prefer two-wheelers, which has better fuel economy, comfort, and performance. It is vital to enhance comfort, as the seat is in direct contact with the user. Better user comfort improves the vehicle feel and behavior. Dynamic comfort analysis is necessary to understand and improve the vibration characteristics of the human-seat system. The vibration characteristics under analysis are Natural frequency, Maximum transmissibility, Attenuation frequency, and Transmissibility at 6 Hz. A test set-up was developed to collect data samples with different seat characteristics. The data collected from the seat are IFD, Hysteresis, Air-Permeability, Resilience, Thickness, and Mass. The relation between the seat parameters and vibration characteristic is established by statistically analyzing the data. Best seat was identified by ranking vibration characteristics. Correlation analysis determines the best seat by subjective rating of the sample and seat vibration ranking.
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