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International Journal of Engineering and Advanced Research Technology

Volume 3 Issue 7 (July 2017)

S.No. Title & Authors Page No View
1

Title : Optimization of Chain Link of Material Handling Chain Conveyor System from FEA and Experimental Aspects (Paper-II)

Authors : Mr Dinesh Shamrao Borse, Prof. Avinash V Patil

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Abstract :

Roller chain drives are widely used in various high-speed, high-load and power transmission applications, but their complex dynamic behaviour is not well researched. Most studies were only focused on the analysis of the vibration of chain tight span, and in these models, many factors are neglected. In this paper, a mathematical model is developed to calculate the dynamic response of a roller chain drive working at constant or variable speed condition. In the model, the complete chain transmission with two sprockets and the necessary tight and slack spans is used. The effect of the flexibility of input shaft on dynamic response of the chain system is taken into account, as well as the elastic deformation in the chain, the inertial forces, the gravity and the torque on driven shaft. The nonlinear equations of movement are derived from using Lagrange equations and solved numerically. Given the centre distance and the two initial position angles of teeth on driving and driven sprockets corresponding to the first seating roller on each side of the tight span, dynamics of any roller chain drive with two sprockets and two spans can be analysed by the procedure. Finally, a numerical example is given and the validity of the procedure developed is demonstrated by analysing the dynamic behaviour of a typical roller chain drive. The model can well simulate the transverse and longitudinal vibration of the chain spans and the torsional vibration of the sprockets. This study can provide an effective method for the analysis of the dynamic characteristics of all the chain drive systems. Chain Link assembly is extensively used in the industry, the scope of this work is to review the applications in the industry and explore the design considerations that go into the design of the assembly. The work deals into various application aspects and manufacturing aspects to formulate an idea of the system. Finally Finite Element Analysis (FEA) has been used to conduct structural analysis. Since lot of work has already been done in other components, in this work the focus has been narrowed down to specific component of link and its joint.

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2

Title : Research of Optimizing Dynamic Performance Shift Schedule for Three Gears Transmission-By-Wire in Electric Vehicle

Authors : Chen Qi, Pan Zhang, Zhengbin Guo, Nana Lv, Jinyu Qu

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Abstract :

The shift schedule of automatic transmission plays an important influence on the dynamic performance, fuel economy and the driving range of the vehicle. In this paper we studied the optimizing dynamic performance shift schedule for the three-geared transmission-by-wire. The theoretical model for the optimizing dynamic performance shift schedule was analyzed and the shift point speed is gotten under different accelerator pedal opening. The curve of optimizing dynamic performance shift schedule is developed which could improve the performance of electric vehicle, so as to achieve the purpose of saving energy and increasing the driving range.

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3

Title : The Research Analysis of Economical Shift Schedule for Three Gears Transmission-By-Wire in Electric Vehicle

Authors : Pan Zhang, Chen Qi, Nana Lv, Zhengbin Guo, Jinyu Qu

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Abstract :

The optimization of electric vehicles’ parameters and control strategy is one of the important means to improve the performance of electric vehicles. This paper chooses the pure electric vehicle of the automatic transmission-by-wire (TBW) with three stalls designed and developed by the research group to study the economical shift schedule. Compared with a variety of methods for creating shift schedule, and ultimately developed the final economical shift schedule curve by using the two-parameter economical shift schedule based on the motor efficiency, so that the drive motor works in the efficient area to achieves the purpose of saving energy and improving endurance mileage.

10-13
4

Title : Innovation in Engineering Education: A Proposed ABET Course Outcomes Assessment Portfolio

Authors : Taan ElAli

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Abstract :

Among the main eight (8) Accreditation Board for Engineering and Technology (ABET) criteria, namely, Students, Program Educational Objectives, Student Outcomes, Curriculum, Faculty, Facilities, Continuous Improvement, and Institutional Support, that ABET requires engineering programs to address, Student Outcomes process is the most difficult to showcase in the self-study report programs need to present to ABET evaluators. It is interesting to notice that ABET does not require engineering programs to address Course Outcomes directly, although, Course Outcomes is strongly connected to Student Outcomes. Looking carefully at all these eight criteria, we can see that Course Outcomes is sitting at the bottom of the pyramid and is the strong driving force for the continuous improvement of all ABET mentioned criteria. Engineering programs address Student Outcomes in the self-study report through a complex relationship with Course Outcomes. In this paper, we propose a new detailed process for the assessment of the Course Outcomes directly and show how this process can lead smoothly to addressing Student Outcomes (SO’s), Program Educational Objectives (PEO’s) and the mission of the institution. This will be done through the Course Outcomes Portfolio (COP) process.

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5

Title : Thermal Performance, Photostability and UV-Visible Spectroscopic Studies of Some Synthesized azo- Schiff and Bis-azo-Schiff bases

Authors : Nashwan O. Tapabashi, Khalid. M. Al-Janaby, Samira. A. Mohammed

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Abstract :

A series of azo-Schiff bases and bis azo-Schiff bases were prepared by condensation reaction of azo-salicylaldehyde with different aromatic amines and azo-amines with various aromatic aldehydes in absolute ethanol. Thermal performances as well as photostabilities of the prepared compounds were tested by subjecting them as solutions in dimethyl sulfoxide to direct sunlight using a special exposure tool manufactured for this purpose. The results of exposure showed an improvement in the thermal performances of the prepared azo-Schiff bases comparing with the blank, the starting azo-amines and azo-aldehyde ranged between 3-7 degrees. The photostability studies against the sunlight proved stability of the prepared azo-Schiff bases compared to Congo red dye, one of the most famous azo dyes that have been selected as a reference for comparison, as well as to the azo-amines derived from. However azo-salicylicaldehyde was more photostable than its some azo-Schiff bases derivatives.

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6

Title : Front Obstacle Detection Based On Fusion of Ultrasonic and Machine Vision

Authors : Jie Yu, Binbin Sun, Song Gao, Zhangu Wang

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Abstract :

The environment sensing system of mobile robot is comprehensive and complex, and it is the core technology to realize the intelligent robot. This paper proposed a method, which is based on the combination of ultrasonic fusion and machine vision to detect obstacles in front of the robot. Before the system working, the joint calibration of ultrasonic sensor and camera is carried out, and the information of the front obstacle is realized through the information fusion. The ultrasonic sensor obtains the distance information of the obstacles in front through echo signal and carries out pre-processing of image through edge enhancement and adaptive threshold value to improve image quality. Finally, height and width information of the obstacles is obtained based on utilization of edge detection and Hough Transform. The experiment indicates that the method has considered high efficiency of ultrasonic real-time detection and good recognition accuracy of image morphology. The processing speed of single frame data is 17.7ms.Average relative error of all detection parameters of obstacle is 6.8% so that requirements of mobile robot on instantaneity and accuracy of environmental perception can be satisfied.

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7

Title : Design & Optimization of Intake Manifold of Carburetor Using Computational Fluid Dynamics

Authors : Mukesh Kumar Verma, Devvrat Verma, Annand Shukla

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Abstract :

Intake manifold is the part of an engine that supplies the fuel/air mixture to the cylinder. the intake manifold is essential for the optimal performance of an internal combustion engines. Intake manifold is the breathing system of the car engine which supplies air to the engine cylinders where the combustion of the fuel occurs. The primary function of the intake manifold is to evenly distribute the combustion mixture (or just air in a direct injection engine) to each intake port in the cylinder head. Even distribution is important to optimize the efficiency and performance of the engine. It may also serve as a mount for the carburetor, throttle body, fuel injectors and other components of the engine. Due to the downward movement of the pistons and the restriction caused by the throttle valve, in a reciprocating spark ignition piston engine, a partial vacuum (lower than atmospheric pressure) exists in the intake manifold. This review paper has main aim is the gain understanding of the flow characteristics inside an intake manifold which is fitted with an intake restrictor. Geometrical design of intake manifold is very important for the good performance of an IC engine. Unequal velocity distribution of intake air of runner’s outlets of intake manifold makes it less efficient. The reported works aims to makes this unequal velocity distribution of velocity in nearly equal manner with increase of velocity at outlet without any major modification in design of intake manifold. To achieve the desired improve result two other models of same intake manifold with different design configuration are made in software then examine the results of this two models with original one to find out pressure and velocity losses. After analysis of models it noticed that the hidden projections of nut, projected stiffeners and depth cuts o extreme of plenum causes pressure loses due to which uneven distribution takes place at runner’s outlets. 

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8

Title : Design of Shell and Tube Type Heat Exchanger Using CFD Tools

Authors : Devvrat Verma, Mukesh Kumar Verma

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Abstract :

In present day shell and tube heat exchanger is the most common type heat exchanger widely used in oil refinery and other large chemical process, because it suits high pressure application. The process in solving CFD consists of modeling and meshing the basic geometry of shell and tube heat exchanger using CFD package ANSYS 13.0. The objective of the project is design of shell and tube heat exchanger with helical baffle and study the flow and temperature field inside the shell using ANSYS software tools. The heat exchanger contains 7 tubes and 800 mm length shell diameter 90 mm. The helix angle of helical baffle will be varied from 00 to 20°. In CFD will show how the temperature varies in shell due to different helix angle and flow rate. The flow pattern in the shell side of the heat exchanger with continuous helical baffles was forced to be rotational and helical due to the geometry of the continuous helical baffles, which results in a significant increase in heat transfer coefficient per unit pressure drop in the heat exchanger. There is a wide application of coiled heat exchanger in the field of industrial applications for its enhanced heat transfer characteristics and compact structure. Lots of researches are going on to improve the heat transfer rate of the helical coil heat exchanger. Here, in this work, an analysis has been done for a tube-in-tube helical heat exchanger with constant heat transfer coefficient with parallel flow. There are various factors present that may affect the heat transfer characteristics of the heat exchanger. The flow pattern in the shell side of the heat exchanger with continuous helical baffles was forced to be rotational and helical due to the geometry of the continuous helical baffles, which results in a significant increase in heat transfer coefficient per unit pressure drop in the heat exchanger. There is a wide application of coiled heat exchanger in the field of industrial applications for its enhanced heat transfer characteristics and compact structure. Lots of researches are going on to improve the heat transfer rate of the helical coil heat exchanger. Here, in this work, an analysis has been done for a tube-in-tube helical heat exchanger with constant heat transfer coefficient with parallel flow. There are various factors present that may affect the heat transfer characteristics of the heat exchanger.

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9

Title : Research on Post Evaluation of Road Passenger Line Intensive Transformation Based on Extension Matter-Element Method

Authors : Ting Pan, Yanfei Zhang, Yongqing Wang

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In recent years, intensive road passenger line has become a part of the construction of various cities. In this paper, in order to carry out a detailed evaluation of the operation of the line intensive transformation. Therefore, the post-evaluation system was established in this paper, including 13 indicators such as common bus network density, average travel time and traffic punctuality rate. The scoring method was used to determine the weight of the evaluation index. The euthenics and the extension matter-element method were used to establish the evaluation model. Thus, the already intensive road passenger line was post-evaluated by Zibo City at the end of 2015.

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10

Title : Investigating Impact and Viability of Hostile Weather Conditions on Solar Farm Establishment in Nigeria: A Case Study

Authors : Omorogiuwa Eseosa, Martins Enebieyi William

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Abstract :

The study investigates impact of hostile weather conditions on performance and viability of solar farm establishment in Nigeria. This was done on two different PV Modules of 10MW capacity using NASA radiation data for six (6) different locations (Abuja, Birnin-Kebbi, Enugu, Lagos, Port Harcourt and Maiduguri) in Nigeria. RETScreen clean energy software was used in the simulation. The results show dependence of Capacity Utilization Factor (CUF) on Solar Irradiation among other design and technological factors like Controlled tracking of PV Module and type. Other Factors like air temperature, wind speed, elevation from horizon and latitude of the location that affect irradiation are also investigated. The findings showed that increasing the output of the system by increasing the capacity of PV module does not affect CUF but attract additional cost, thus making solar farm in hostile environment costly.

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