Title | :: |
Validation Of Natural Frequencies Of Carbon Fiber Foot Plate Using FEA And Experimental Analysis |
Country | :: |
India |
Authors | :: |
G. P. Shinde || V. N Chougule |
Page | :: |
01-05 |
Footplates are mainly used by patients suffering from partial foot amputation. They assist a person
suffering from lower extremities in walking by providing support for the foot and providing forward push off.
Now a days foot plates are mainly available using carbon fiber material which is lightweight and has a very
high strength to weight ratio. They have now become an alternative to plastic and metal orthoses .It also gives a
better push off while coming back to its original position. During walking the loads acting on the footplate are
dynamic in nature. During walking the footplate is subjected to repetitive loads that vary with respect to time
which can cause failure of the plate and substantially reducing its useful life which is an important aspect of the
product as carbon fiber is costly material..............
Keywords: - Carbon-fiber, Composites, Foot plate, Modal Analysis
Title | :: |
A Review On Methodology Of Material Characterization And Finite Element Modelling Of Rubber-Like Materials |
Country | :: |
india |
Authors | :: |
R. R. Shitole || U.S. Chavan || S. Dolse |
Page | :: |
06-10 |
Hyperelastic materials such as rubbers are widely used in industrial applications. To prevent failure of the components, it is necessary to understand the characteristics of the hyperlasitc materials. Finite Element Analysis is important to assure the safety and reliability of hyperelastic components. This paper reviews the Finite Element Analysis approach for hyperelastic materials and also the various tests required to define the material properties of the hyperelastic materials such as rubber.
Keywords: - Biaxial test, Finite Element Analysis, Hyperelastic Material, Hyperelastic Models, Rubber, Shear
Test, Uniaxial Test
Title | :: |
Parametric Design and Modeling of Semi Kestner Evaporator for a Sugar Mill |
Country | :: |
India |
Authors | :: |
P.S.Chelve || A.N.Chandra || B.M. Dabade |
Page | :: |
11-15 |
A sugar mill comprises of various equipment like heat exchangers, pressure vessels, boilers, and
other process equipment. Each equipment contains a number of parts, and their sub-assemblies. These
equipment are designed and modeled according to the capacity of the sugar mill i.e. TCD (Tons Crushed per
Day). For different TCDs, the 3D model, design and drawings have to be made by changing dimensions of parts
and assembly constraints respectively. This is repetitive, time consuming and it requires software skills for 3D
modeling and drafting. By using parametric modeling, the task of redesigning equipment for different plant
capacities can be made efficient because basic features and relations between them are constant for a specific
equipment..................
Keywords: - Modeling and Drafting, Process Equipment, Redesigning, Sugar Mill, 3D Parametric Modeling.
[1]. J. Monedero, "Parametric Design: a review and some experiences", Automation in Construction 9 (2000), 369-377.
[2]. C. Roberto, B. Hernandez, "Thinking parametric design: introducing parametric Gaudi, Design Studies", Vol. No. 27, 3May 2006,
309-324.
[3]. J.J.Shah, "Designing with Parametric CAD: Classification and comparison of construction techniques", Kimura (ed.), Geometric
Modeling (2001).
[4]. V.S.Douzloo, "An Integrated Approach to Parametric Associative Design for Powertrain Components in the Automotive
Industries", doctoral diss., University of Bath, 2011.
[5]. P. Janseen, R.Stouffs, Types of Parametric Modeling, Emerging Experience in Past, Present, and Future of Digital Architecture,
Proceedings of the 20th International Conference of the Association for Computer-Aided Architectural Design Research in Asia
CAADRIA 2015, 157-166.
Title | :: |
Harmonic Analysis of Reciprocating Compressor Crankcase Assembly |
Country | :: |
India |
Authors | :: |
A. A. Dagwar || U. S. Chavan || A.B. Birari |
Page | :: |
16-20 |
Two cylinders double acting reciprocating compressor consists of reciprocating parts, due to reciprocating action of piston and cylinder, there is vibration. Vibration created by crankshaft transferred to crankcase, this vibration created must be under allowable limits defined by EFRC [1] (European Forum for Reciprocating Compressors). In this paper we have two crankcase, existing having offset balanced opposite piston cylinder arrangement and modified having inline balanced opposite piston cylinder arrangement. The forces developed due to rotation of crankshaft and reciprocating action are given to harmonic response module in Ansys Software and results are compared.
Keywords - Compressor, crankcase, harmonic, vibration, reciprocating, Ansys
Title | :: |
Computerized Analysis of Automobile Crankshaft with novel aspects of Inertial analysis |
Country | :: |
India |
Authors | :: |
U. Phanse || A. Dhavalikar || P. Swain || M. Kale |
Page | :: |
21-26 |
Torsional vibration analysis of crankshafts of internal combustion engines such as automobile and especially marine applications is of tremendous importance. A lot of failures of crankshafts are found to be due to torsional vibrations. It is extremely important to predict the natural frequencies of crankshafts as the resonance phenomenon can be destructive. In literature the determination of natural frequencies for multicylinder engines has been done by discrete methods. These methods typically involve a multi rotor approach on a shaft and commonly used methods are by Holzer and Stodola. Other methods like influence coefficient matrix are also used.............
Keywords - Finite element analysis, torsional vibrations, crankshaft, engine.
Title | :: |
Role of reflector material in performance of compound parabolic concentrator |
Country | :: |
India |
Authors | :: |
A. R. Salve || D. S. Malwad || V. B. Tungikar |
Page | :: |
27-31 |
The reflector of a compound parabolic concentrator (CPC) play an important role in the solar thermal system. The solar reflector is continuously exposed to environmental conditions, result in the reflectance losses and structural degradation. The research has been done to give real-life time estimation at an affordable cost. The main focus has given towards the optical efficiency and temperature variation on receiver obtained from the different reflective material. At the initial stage reflectivity of the mirror material is more as compare to anodized aluminum sheets. After some months optical efficiency of mirror material decreases due to atmospheric condition whereas anodized aluminum it decreases slightly. The temperature variation obtained on receiver tube surface is compare when mirror reflector and anodized aluminum reflector are used.
Key words: - Aperture area, CPC, Receiver area, Reflectivity.
[1]. Marco Binotti, Guangdong Zhu, Allison Gray, Giampaolo Manzolini, and Paolo Silva. "Geometric analysis of three-dimensional
effects of parabolic trough collectors." Solar Energy 88 (2013): 88-96.
[2]. Aránzazu Fernández-García, M. Elena Cantos-Soto, Marc Röger, Christian Wieckert, Christian Hutter, and Lucia Martinez-Arcos. "Durability of solar reflector materials for secondary concentrators used in CSP systems." Solar Energy Materials and Solar
Cells 130 (2014): 51-63.
[3]. Jadhav Atul S., Ajitkumar S. Gudekar, Ramchandra G. Patil, Dhanaji M. Kale, Sudhir V. Panse, and Jyeshtharaj B. Joshi.
"Performance analysis of a novel and cost effective CPC system." Energy Conversion and Management 66 (2013): 56-65
[4]. Hamza Hijazi, Ossama Mokhiamar, and Osama Elsamni. "Mechanical design of a low cost parabolic solar dish
concentrator." Alexandria Engineering Journal 55, no. 1 (2016): 1-11
[5]. M. Imtiaz Hussain, Gwi Hyun Lee, and Jun-Tae Kim. "Experimental validation of mathematical models of identical aluminum and
stainless steel engineered conical solar collectors." Renewable Energy 112 (2017): 44-52.
Title | :: |
Dewaterizer for the Application of Extracting Moisture from Organic Waste/Slurry |
Country | :: |
India |
Authors | :: |
A. Y. Dhanalli || P. V. Mali || P. A. Magar || A. A. Keste || Ramesh Wagh |
Page | :: |
32-35 |
This project is aimed at the design and fabrication of moisture extraction machine from organic waste. The main objective is commercialization of machine for low cost waste treatment. As, India is developing country we face a lot of problem of waste management, and its disposal. The main aim of this project is to solve this problem of proper disposal of organic waste. The main component of this machine is variable pitch shaft, resistor plate, resistor block, slotted pipe. The cake obtained is further treated to convert it into compost, and proper disposal of Organic waste.
Keywords - Organic waste, Extraction, Variable Pitch, Resistor plate, Screw press
[1]. O. A. Adetola, J. O. Olajide, P. A. Olalusi, Development of Screw Press for Palm Oil Extraction, International Journal of Scientific & Engineering Research, Volume 5, Issue 7, July-2014
[2]. Abdul-Akaba Tijani, Kantiok Obadiah, Haruna Abubakar, Design and fabrication of Oil Extraction Machine from Nuts,
International Journal of Scientific & Engineering Research, Volume 6, Issue 1, January-2015.
[3]. Shigley, J. E., & Mischke, C. R. Mechanical Engineering Design, 6th edition, New York: McGraw-Hill Companies, Inc, Chapter 18.
[4]. http://www.vincentcorp.com
Title | :: |
A Review on PDMS-CNT Nano-Composite Based Flexible Sensors |
Country | :: |
India |
Authors | :: |
V. B. Shinde || M. R. Khodke |
Page | :: |
36-39 |
We review different preparation methods of percolation of carbon nanotubes (CNT) in polymer composites. We give a survey of different articles published on PDMS-CNT Nano composite. In present survey parameters like CNT types, preparation method, curing time, curing temperature and CNT concentration as well as polymer type are evaluated and determined their impact on maximum conductivity of the composite film. Advantages as well as limitations of these composite fabrication methods are evaluated. To investigate the effect of MWCNTs on the electrical properties of composites, we discussed different fabrication methods for CNTPDMS Nano composite film. In this particularly for the mechanical mixing method polydimethylsiloxane (PDMS) mixed in a 1:10 ratio of curing agent and PDMS base because PDMS base is much more viscous than the curing agents. Physical characteristics with high electrical conductivity of the composite film are depends on the effective dispersion of MWCNTs.
Keywords – Carbon Nanotubes, Electrical conductivity, Flexible sensor, Nano composite, PDMS.
Title | :: |
Drilling, Cutting And Grinding System Mechanism |
Country | :: |
India |
Authors | :: |
S. S. Kulkarni || K.K.Ahire || A.R.Pingale || V.N.Ahire || J.D.Ghodke || R. Shaikh |
Page | :: |
40-45 |
This paper presents the concept of Multi-Function Operating Machine mainly carried out for production based industries. Industries are basically meant for Production of useful goods and services at low production cost, machinery cost and low inventory cost. Today in this world every task have been made quicker and fast due to technology advancement but this advancement also demands huge investments and expenditure, every industry desires to make high productivity rate maintaining the quality and standard of the product at low average cost. We have developed a conceptual model of a machine which would be capable of performing different operation simultaneously, and it should be economically efficient............
Keywords - Scotch Yoke mechanism, Drill bit, Bevel gear, Hecksaw, V-Belt Drive.
Title | :: |
Ramp up Productivity of Lower Excavater Assembly Line By Work Study Technique |
Country | :: |
India |
Authors | :: |
Shibraj Gore || Dr. Rajiv B. |
Page | :: |
46-49 |
In today's competitive world industrialisation has taken Great space in our life. As effect of globalisation competition among industries are increased and all industries striving to produce component or provide service with shorter Span of time to Customer with higher quality. The productivity is main concern for organisation to stay in market. This paper presents a case study which focuses on productivity improvement of multimodal excavator assembly line by using productivity improvement technique, work study. In the case study firstly, the current assembly process is analyses using time study and method study tool. Secondly the cycle time for each work station is calculated and most time-consuming activity in assembly process is selected as bottleneck of station. Thirdly to find the solution which will meet the customer demand. Finally, to implement the new process which will help to achieve desire output.
Keywords - Assembly line, Cycle time, Excavator, Productivity improvement, Work study
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