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A Review Paper on Blending of Fuel for Increasing the Performance and Emissions Characteristics of Engine
Patel Dhruvalkumar Sendhabhai ; Prof. Mandhata Yadav
I.C.Engine &Automobile
Year: 2016, Volume:3, Issue : 8
Pages: 1 - 5
The factor to be considered while designing a new combustion process are , higher compression ratio, lean homogeneous air fuel mixture, complete and instantaneous combustion, which lead to HCCI. HCCI is a clean and efficient combustion process. The main objective of the HCCI engine to achieve the high compression ratio. HCCI combustion is the potential to work with high thermal efficiency, low fuel consumption, and extremely low NOx and PM emission. Alternative fuels including methane/hydrogen blend, methane/syngas blend to Improving of HCCI engine performance, reducing the pollutant emission, increasing the output energy. For use of the ethanol fuelled HCCI engine to BTE increasing with increasing the charged temperature, exhaust gas temperature decrease with increase intake air temperature. HCCI operating range higher efficiency is found at higher engine load and lower engine speed, and low NOx and CO emission. For use of hydrogen and Natural gas in diesel HCCI engine to Reduce NOx, CO, PM emission, fuel consumption And Increasing engine efficiency by 13% to 16%. For CNG/Biodiesel duel fuel mode is more suitable especially high engine load for high thermal efficiency, lower combustion, improving the break thermal efficiency and lower rate of emission. Finally The Experiment is conduct to blend of palm-oil bio-diesel and CNG in HCCI engine. To derive objective by executing work for use of bio-fuels is waste cooking oil from palm oil blending with diesel fuel. The bio-diesel has been produced via trans-esterification process.
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Solar Operated Metal Detector Robot based on GSM
Abid Khan ; Shailendra Kumar Dewangan; Praveen Singh Rathore; Sukrita Swarnkar
Electronics and Telecommunication
Year: 2016, Volume:3, Issue : 8
Pages: 6 - 9
Proposed designed is solar based metal detector Robot .We can control robot from remote location using cell phone. It contains arduino board with metal detector circuit. Robot contains GSM which able to transmit and receive signal from cell phone. It contain ultrasonic sensor to avoid obstacle. When the robot senses metal it generates an alarm sound & send SMS on cell phone. It can also send it location using GSM. It is useful for different application like detection of land mine.
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Optimization of Process Parameters of Wax Pattern in the Investment Casting Process by using Different Form of Waxes
Er. Keshav Kamboj
Mechanical Engineering
Year: 2016, Volume:3, Issue : 8
Pages: 10 - 14
Investment casting is one of the oldest manufacturing processes, dating back thousands of years, in which molten metal is poured into an expendable ceramic mold. The mold is formed by using a wax pattern - a disposable piece in the shape of the desired part. The pattern is surrounded, or "invested", into ceramic slurry that hardens into the mold. Investment casting is often referred to as "lost-wax casting" because the wax pattern is melted out of the mold after it has been formed. Investment casting requires the use of a metal die, wax, ceramic slurry, furnace, molten metal, and any machines needed for sand-blasting, cutting, or grinding. In the present study, an attempt has been made to produce a wax blend which could offer minimum linear and volumetric shrinkage and better surface finish. Experiments were conducted with different types of waxes namely Paraffin wax, Bees wax, Carnabua wax and Microcrystalline wax by varying their proportions. In each case, properties of wax pattern like surface finish, percentage linear and volumetric shrinkage were determined. An attempt was made to find out the set of input parameters, which could offer a set of ideal properties ofthe wax blend, using Taguchi method. The set of input parameters suggested by Taguchi method was experimentally verified and found to offer the set of desired optimal properties of the wax blend pattern.
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Weight Reduction and Fatigue Life Assessment of Light Commercial Vehicle Chassis
A. Kalaiyarasan ; P. Ragupathi; K. Karthikeyan; R. Ramesh
Mechanical Engineering
Year: 2016, Volume:3, Issue : 8
Pages: 15 - 23
It is common practice in the automotive industry to employ extensive experimental measuring technique and durability study to perform structural analysis of chassis in its working environment. In this paper a few simpler methods were used to perform static and dynamic analysis of an existing light commercial vehicle chassis and solved through finite element analysis software Ansys. The study shows that when the existing 'inverted hat section' of the chassis is changed to 'C-channel' there is considerable reduction in weight. Certain local stress concentration areas were added with gusset plates along the rail of the chassis in a measure to increase the endurance strength of the chassis which leads to increased life.
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Biogas Production in a Portable Anaerobic Digester
Zeenathul Farida Abdul Gani ; Ranjith Krishna M; Jeya Prakash K; Mathan Kumar R; Petchiappan S
Mechanical Engineering
Year: 2017, Volume:3, Issue : 8
Pages: 24 - 29
The objective of this proof of concept study is to make a prototype of an anaerobic digester to produce biogas from kitchen waste in batch mode. The insight and outcome from this work will be used for installing a scaled up facility to power a residential area or community neighborhood. In these localities, kitchen/food waste is one of the potential sources for biogas production. In anaerobic digestion, biogas is produced by the degradation of the organic food or vegetable waste by bacteria in the absence of air. The biogas that is formed is primarily composed of 55% methane and around 40 to 45% of carbon dioxide. The biogas after cleaning can be used for power generation. A series of trials were made with different feedstock in different proportion in a portable digester to observe biogas yield and the residence time needed for each feedstock combination to yield biogas. Containers of capacity 8 L, 20L and 50L were used. Measophylic temperature range is maintained and cow dung has been used as an inoculum. The biogas produced was qualitatively observed using syringe and plunger method. The scope of this undergraduate project is to qualitatively arrive at the insights on using various feedstock combinations and its effect on biogas generation.
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Techniques in Key Generation
Juby Susan Mathew ; Hari. S
Electronics & Communication Engineering
Year: 2017, Volume:3, Issue : 8
Pages: 30 - 33
Key generation from the randomness of wireless communication channels is a hopeful technique to share cryptographic keys securely between legitimate users. This paper reviews the current technique for wireless key generation. The principles, performance metrics and key generation procedure unit comprehensively surveyed. Ways for optimizing the performance of key generation also are mentioned. Key generation applications in numerous setting area units introduced beside the challenges of applying the approach in every state of affairs. We conjointly mentioned ways to optimize the key generation performance; completely different application outlines were surveyed so as to clarify the options and challenges of every surroundings.
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Review on Laser Beam Machining Process Parameter Optimization
Sandeep Kumar Singh ; Ajay Kumar Maurya
Mechanical Engineering
Year: 2017, Volume:3, Issue : 8
Pages: 34 - 38
The quality of laser cut is the most important factor in laser cutting process. All cutting parameters might have significant influence on the resulting quality of work. In general, cutting parameters are adjusted and tuned to provide the quality of cut desired. But this consumes exhaustive (enormous) amount of time and effort. Therefore, it is important to investigate the impact of cutting parameters on quality of cut. The aim of this study is to relate the CO2 laser cutting parameters namely laser power, cutting speed laser scanning speed. Laser cutting is a fairly new technology that allows metals to be cut with extreme precision. The laser beam is typically 0.2 mm in diameter with a power of 1-10 kW [1]. Depending on the application of the laser cutter a selection of different gases are used in conjunction with the cutting. When cutting with oxygen, material is burned and vaporized when heated by the laser beam to ignition temperature. The reaction between the oxygen and the metal creates additional energy in the form of heat, supporting the cutting process. For certain well defined applications, e.g. cutting metal sheet using CO2-lasers, suppliers of laser cutting machines provide a comprehensive database for process parameters.
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Artificial Intelligence Fuzzy Inference System based Fault Detection and Isolation Scheme for Pneumatic Actuator
Prabakaran K ; Sathish E; Revathy G; Maris Murugan T
Instrumentation and control
Year: 2017, Volume:3, Issue : 8
Pages: 39 - 44
Fault diagnosis is an ongoing significant research field, due to the constant increasing need for maintainability, reliability and safety of industrial plants. The pneumatic actuators are installed mainly in harsh environment: high temperature, pressure, aggressive media, vibration, etc. This influenced on the Pneumatic actuator predicted lifetime. The failures in pneumatic actuator cause forces the installation shut down and may also influence the final product quality. A fuzzy logic based approach is implemented to detect the external faults such as Actuator vent blockage, Diaphragm leakage and incorrect supply pressure. The fuzzy system is able to identify the actuator condition with high accuracy by monitoring five parameters. The parameter selection is based on the committee of DAMADICS. The Fuzzy Inference Systems was implemented using MATLAB® and the simulation result show that the scheme can effectively classify all the types of external faults.
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Proportional Hazards Regression Model for Time to Event Breast Cancer Data: A Bayesian Approach
T Leo ALexander
Science & Humanities
Year: 2017, Volume:3, Issue : 8
Pages: 45 - 51
The paper deals with a Bayesian based Cox regression model to consider strategies for performing survivability of patients with breast cancer through Bayesian aspects. The proportional hazards model (PHM) in the context of survival data analysis, is same as Cox model and was introduced by Cox (1972) in order to estimate the effects of different covariates influencing the times-to-event data. It’s well known that Bayesian analysis has the advantage in dealing with censored data and small sample over frequentist methods. Therefore, in this paper it deliberately explores the PHM for right-censored death times from Bayesian perspective, and compute the Bayesian estimator based on the Markov Chain Monte Carlo (MCMC) method. In particular it focuses on the approaches based on Gibbs sampler. Such approaches may be implemented using the publically available software BUGS. It aims to compare and apply Bayesian models of survivability for prediction of patients with breast cancer using outcome as explanatory variables and to produce better descriptions to survival of patients with breast cancer and of subgroups of patients with different survival characteristics.
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A Stability Analysis for Linear Delay-Differential Systems
Umesha V ; S. Padmanabhan
Engineering Mathematics
Year: 2017, Volume:3, Issue : 8
Pages: 52 - 54
In this paper, we examine the problem of the stability analysis for linear delay-differential systems. Using Lyapunov method, we present sufficient conditions for the stability of the systems in terms of linear matrix inequality (LMI) Based on the Lyapunov–Krasovskii functional techniques which can be easily solved by using YALMIP Tool box. Numerical examples are given to illustrate our results.
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Abstract
