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Nanomechanical Characterization Of Indium Phosphide Epilayer Using Nanoindentation Technique, DIPIKA ROBIDAS, ARUNSESHAN C, DEEPTHI K. R, ARIVUOLI D. 2020 Anna University, Chennai- 600025, India

Nanomechanical Characterization Of Indium Phosphide Epilayer Using Nanoindentation Technique, Dipika Robidas, Arunseshan C, Deepthi K. R, Arivuoli D.

International Journal of Mechanical and Industrial Engineering

The Nanomechanical characteristics of InP epilayer grown on GaAs (100) substrate is studied. The mechanical characteristics of the material such as hardness, modulus of elasticity, stiffness, contact depth etc. were studied by Nanoindentation technique with different probe geometries like Berkovich and Vickers. The results show significant variation in the mechanical parameters with respect to the tip geometry and the measured hardness values were observed to increase with the applied load.


Moisture Absorption Behavior Of Maleic Anhydride Grafted Polyethylene Modified Ethylene Vinyl Acetate Copolymer / High Density Polyethylene Nanocomposites, ATUL RAJAN, Pradeep Upadhyaya, Navin Chand, VIJAI KUMAR 2020 Central Institute of Plastics Engineering and Technology, Lucknow, India

Moisture Absorption Behavior Of Maleic Anhydride Grafted Polyethylene Modified Ethylene Vinyl Acetate Copolymer / High Density Polyethylene Nanocomposites, Atul Rajan, Pradeep Upadhyaya, Navin Chand, Vijai Kumar

International Journal of Mechanical and Industrial Engineering

The compatibilized poly ethylene vinyl acetate copolymer (EVA)/high density polyethylene (HDPE) /organomodified montmorillonite (OMMT) blend nanocomposites were prepared in a co-rotating twin-screw extruder followed by injection molding. Montmorillonite clay was modified by octadecylamine and aminopropyltriethoxysilane to make it organophilic. Maleic anhydride grafted high-density polyethylene was used as a Compatibilizer. Nanoclay was added in different proportions to the selected EVA/HDPE blend composition. The concentration of nanoclay was varied from1 to 5 phr in the polymer blend. The resulting nanocomposites were evaluated in terms of their water absorption behavior. Moisture absorption behavior of compatibilized blends is lower than their corresponding ...


“Life Prediction” For The Heat Exchanger, SIMARPREET SINGH 2020 Thermal Engineering, BCET, Gurdaspur Punjab, India

“Life Prediction” For The Heat Exchanger, Simarpreet Singh

International Journal of Mechanical and Industrial Engineering

Heat exchanger degradation is a non- periodic non stationary process, which depends upon the variation of parameters w.r.t time. The measurements are associated with gross errors, if they are not properly handled, they may lead to erroneous estimation and prediction of heat exchanger performance. The objective of this paper is to predict the life of the heat exchanger while reaching to its threshold limit by the output factors like cleanliness factor and fouling factor. The performance factor of heat exchangers degrades with time due to scaling or fouling factor. In this paper we have monitored, predict the working ...


Comparison Of Various Numerical Differencing Schemes In Predicting Non-Newtonian Transition Flow Through An Eccentric Annulus With Inner Cylinder In Rotation, SATISH KUMAR DEWANGAN, S.L. SINHA 2020 National Institute of Technology; Raipur, C.G. (INDIA)

Comparison Of Various Numerical Differencing Schemes In Predicting Non-Newtonian Transition Flow Through An Eccentric Annulus With Inner Cylinder In Rotation, Satish Kumar Dewangan, S.L. Sinha

International Journal of Mechanical and Industrial Engineering

Flow through annulus is a widely solved problem in fluid mechanics because of its practical applicability in many areas. In oil well drilling, cuttings generated are of non-Newtonian nature which flows through an eccentric annulus with inner cylinder in rotation, considering the real drilling situations. In the present work, a comparison have been done amongst three differencing schemes, the second order upwind, the Power law scheme and QUICK scheme used in computational fluid dynamics solution algorithms, so as to find the best amongst them to solve transition flow for this case as well as in general. A three dimensional orthogonal ...


Contaminant Control In Intensive Care Unit (Icu) Using Cfd Modeling, TIKENDRA NATH VERMA, S.L. SINHA 2020 National Institute of Technology, Raipur, Chhattisgarh

Contaminant Control In Intensive Care Unit (Icu) Using Cfd Modeling, Tikendra Nath Verma, S.L. Sinha

International Journal of Mechanical and Industrial Engineering

Computational fluid dynamic (CFD) analysis is used to simulate and compare the removal of microbes using a number of different ventilation systems in hospitals. The primary objective of ventilation system design in hospital is to place the patient at no risk of infection while hospitalization. Normally hospitals are considered to be clean and free from pathogens which are actually not true. Due to the complex environment of hospital, the effective ventilation for comfort of patients & control of infections must be given highest priority. Intensive care represents the highest level of continuing patient care and treatment. Therefore a turbulent airflow study ...


Stress Concentration In Isotropic & Orthotropic Composite Plates With Center Circular Hole Subjected To Transverse Static Loading, MOON BANERJEE, N. K. JAIN, S. SANYAL 2020 National Institute of Technology, Raipur, Chhattisgarh

Stress Concentration In Isotropic & Orthotropic Composite Plates With Center Circular Hole Subjected To Transverse Static Loading, Moon Banerjee, N. K. Jain, S. Sanyal

International Journal of Mechanical and Industrial Engineering

The present study brings out the thorough analysis of isotropic and orthotropic fixed rectangular plate with center circular hole under transverse static loading condition. In this paper influence of stress concentration and deflection due to singularity for isotropic and orthotropic composite materials under different parametric conditions is obtained. The effect of thickness -to- width of plate (T/A) and diameter-to-width (D/A) ratio upon stress concentration factor (SCF) for different stresses were studied. An isotropic and one composite material were considered for analysis to determine the variation of SCF with elastic constants. Deflection in transverse direction were calculated and analyzed ...


Design & Kinematic Analysis Of An Articulated Robotic Manipulator, ELIAS ELIOT, B.B.V.L. DEEPAK, D.R. PARHI, J. SRINIVAS 2020 National Institute of Technology-Rourkela

Design & Kinematic Analysis Of An Articulated Robotic Manipulator, Elias Eliot, B.B.V.L. Deepak, D.R. Parhi, J. Srinivas

International Journal of Mechanical and Industrial Engineering

This paper describes the design, fabrication and analysis a five axes articulated robotic manipulator. The current work is undertaken by considering various commercially available robotic kits to design and fabricate a five degree of freedom (D.O.F) arm. Forward kinematic model has been presented in order to determine the end effectors position and orientation. Although this work is still in primary level, this analysis is useful for path tracking of an industrial manipulator with pick-and-place application. Based on this analysis, a researcher can develop path tracking behaviour of an end effector in complicated work space.


Optimization Of Orthopaedic Drilling: A Taguchi Approach, RUPESH KUMAR PANDEY, S.S. PANDA 2020 Indian Institute of Technology Patna, Patna, India

Optimization Of Orthopaedic Drilling: A Taguchi Approach, Rupesh Kumar Pandey, S.S. Panda

International Journal of Mechanical and Industrial Engineering

Bone drilling is a common procedure to prepare an implant site during orthopaedic surgery. An increase in temperature during such a procedure can result in thermal ostenecrosis which may delay healing or reduce the stability of the fixation. Therefore it is important to minimize the thermal invasion of bone during drilling. The Taguchi method has been applied to investigate the optimal combination of drill diameter, feed rate and spindle speed in dry drilling of Polymethylmethacrylate (PMMA) for minimizing the temperature produced.


Supplier Selection Process Enablers: An Interpretive Structural Modeling Approach, SUDARSHAN KUMAR, RAVI KANT 2020 S. V National Institute of Technology, Surat, India

Supplier Selection Process Enablers: An Interpretive Structural Modeling Approach, Sudarshan Kumar, Ravi Kant

International Journal of Mechanical and Industrial Engineering

The objective of this paper is to present an approach for successful supplier selection process by understanding the dynamics between Supplier selection process enablers (SSPEs). Using Interpretive structure modeling (ISM) methodology, the research presents a Hierarchy-based model and mutual relationships among SSPEs. The paper also shows that there is a group of SSPEs having a high driving power & low dependency and high dependency & low driving power. This categorization acts as a useful tool for Managers to differentiate between independent and dependent SSPEs which ensures the selection of suitable supplier by focusing on the key enablers.


Study Of Feasibility Of Six Sigma Implementation In A Manufacturing Industry : A Case Study, MEHDIUZ ZAMAN, SUJIT KUMAR PATTANAYAK, ARUN CHANDRA PAUL 2020 National Institute of Technology, Silchar, Assam, India.

Study Of Feasibility Of Six Sigma Implementation In A Manufacturing Industry : A Case Study, Mehdiuz Zaman, Sujit Kumar Pattanayak, Arun Chandra Paul

International Journal of Mechanical and Industrial Engineering

This paper discusses the implementation of Six-sigma methodology in reducing rejection in a welding electrode manufacturing industry. The Six-sigma DMAIC (define– measure – analyse –improve – control) approach has been used to achieve this result. This paper explains the step-by-step approach of Six-sigma implementation in this manufacturing process for improving quality level. This resulted in reduction of rejection, and thus, reduced the Defect Per Million Output (DPMO) from 28356.96 to 1666.67. This had resulted in increasing the sigma level from 3.41 to 4.43, without any huge capital investment. During this study, data were collected on all possible causes ...


Guiding The Implementation Of Quality Improvement Projects: A Toc Approach, PAPIYA BHOWMIK, SUJIT KUMAR PATTANAYAK, SHIBAMAY MITRA 2020 National Institute of Technology, Silchar, Assam, India.

Guiding The Implementation Of Quality Improvement Projects: A Toc Approach, Papiya Bhowmik, Sujit Kumar Pattanayak, Shibamay Mitra

International Journal of Mechanical and Industrial Engineering

Many research has shown that approximately 70% of every medium to large scale industries have some type of quality improvement (QI) program. Depending on various independent studies, researchers have concluded that only onefifth of all QI projects show attractive output. The reason for this disappointing result is most of the QI programs are not result oriented. The main aim of this paper is to elaborate the value of using the Theory of Constraints (TOC), so that a result-oriented QI program can be achieved with a better bottom-line impact, which will be better than the traditional cost based selection process.


Inventory Control Using Abc And Hml Analysis – A Case Study On A Manufacturing Industry, SHIBAMAY MITRA, SUJIT KUMAR PATTANAYAK, PAPIYA BHOWMIK 2020 National Institute of Technology, Silchar, Assam, India.

Inventory Control Using Abc And Hml Analysis – A Case Study On A Manufacturing Industry, Shibamay Mitra, Sujit Kumar Pattanayak, Papiya Bhowmik

International Journal of Mechanical and Industrial Engineering

Inherent uncertainties in demands and supply make it difficult for supply chains to achieve optimum inventory replenishment, resulting in loss of sales or keeping excessive inventories. An unkempt inventory can take up to one-third of an organization’s annual investment. Therefore, in order to compete with invariably erratic demands, it is not only challenging to develop an intelligent system to maintain and control an optimum level of inventory but has also become mandatory. Here we have tried to study the inventory control system of an EMU coach manufacturing industry using ABC and HML analysis method.


Comparison Of Conventional Drawing, Inverted Drawing And Warm Forming Processes For Deep Drawing Of Aluminium Cups, RAJAGANAPATHY C, THIVAKAR K. G, SARAVANA KUMARN 2020 PSG College of Technology, Coimbatore, India

Comparison Of Conventional Drawing, Inverted Drawing And Warm Forming Processes For Deep Drawing Of Aluminium Cups, Rajaganapathy C, Thivakar K. G, Saravana Kumarn

International Journal of Mechanical and Industrial Engineering

Cup drawing is one of the important operations in sheet metal forming. Manufacturing of the aluminium base cup involves several stages such as blanking, first drawing, second drawing, taper formation and trimming. This increases the process time. An attempt has therefore, been made to develop a comprehensive, rigorous, yet easily-workable method of analysis for designing a die set to combine the intermediate stages of drawing process. Conventional drawing, inverted drawing and warm forming processes are experimented for yielding successful drawing in single setup. Die sets are separately designed for above said processes. The die sets, thus designed is simulated using ...


Computational Study Of The Effect Of Geometric Parameters On The Performance Of Single Expansion Ramp Nozzle Flows, SURESH CHANDRA KHANDAI, ASHWIN KUMAR K, K.M. PARAMMASIVAM 2020 Rajalakshmi Engineering College, Chennai, India

Computational Study Of The Effect Of Geometric Parameters On The Performance Of Single Expansion Ramp Nozzle Flows, Suresh Chandra Khandai, Ashwin Kumar K, K.M. Parammasivam

International Journal of Mechanical and Industrial Engineering

The present work deals with the computational study of the single expansion ramp nozzle (SERN) flows for the supersonic regime. Theoretical calculations are carried out for different geometries with certain assumptions. Based on the initial calculation and with the help of Method of Characteristics, nozzle configuration with similar axisymmetric convergent portion and distinct non-axisymmetric divergent portions are drafted. Commercial CFD software ANSYS 12 with Navier Stokes code is used for the computational studies. The study begins with a simple upper flat ramp at different angles with a very small lower cowl at fixed angles. The divergent section of a conventional ...


Reduction Of Smoke Emissions From Di Diesel Engine Using Catalyst Based Oxygen Enrichment, S. SREENATHA REDDY, K.L.N MURTHY, M. HARINATHAREDDY, P. NAGESWARA REDDY 2020 Dept. of Mechanical Engineering, Universal College of Engineering & Technology,Guntur, India

Reduction Of Smoke Emissions From Di Diesel Engine Using Catalyst Based Oxygen Enrichment, S. Sreenatha Reddy, K.L.N Murthy, M. Harinathareddy, P. Nageswara Reddy

International Journal of Mechanical and Industrial Engineering

Oxygen enrichment, one of the inlet air modification techniques, proves to be a promising technique in reducing smoke emissions from diesel engines. The main objective of the present work is to achieve reduction of smoke through catalyst based oxygen enrichment technique which proves to be an effective one as it utilizes air from the ambient to produce oxygen-enriched air. The catalyst used for the present study is zeolite and its unique shape provides a cage like structure which helps in trapping nitrogen molecules and thereby increasing the oxygen content in the air stream by Pressure Swing Adsorption (PSA). While conducting ...


Testing Of Rigid Cellular Thermal Insulation As Per Indian Standards, N K SHAH, S V JAIN, ARPIT PAREKH, ROHIT PATEL 2020 Nirma University, Ahmedabad, India

Testing Of Rigid Cellular Thermal Insulation As Per Indian Standards, N K Shah, S V Jain, Arpit Parekh, Rohit Patel

International Journal of Mechanical and Industrial Engineering

Thermal Insulations play a great role in keeping the flow of energy from hot to cold bodies to a minimum. Quality and effectiveness of thermal insulation is of prime importance and unless the properties of insulation are evaluated there is little chance of improvement of their performance. It is essential that properties of insulations be evaluated for acceptability according to national and international standards. In the present study, various tests were performed on Rigid cellular insulation (Thermocol) as per IS 11239 to determine the temperature at which the insulation get distorted as well as to study its characteristics when the ...


Development And Study Of Retrofitted Standalone Solar Vapour Absorption Refrigerator, NITESH DATTATRAYA BHAT, ALLEN RODNEY FERNANDES, HARSHVARDHAN GUPTA, RONNY ALEX JACOB, SWAMINATHAN SIDDHARTH, PRASAD KRISHNA 2020 National Institute of Technology Karnataka, Mangalore, India

Development And Study Of Retrofitted Standalone Solar Vapour Absorption Refrigerator, Nitesh Dattatraya Bhat, Allen Rodney Fernandes, Harshvardhan Gupta, Ronny Alex Jacob, Swaminathan Siddharth, Prasad Krishna

International Journal of Mechanical and Industrial Engineering

Vapour Absorption Refrigeration Systems (VARS) are thermally activated cooling systems which can be run using waste process heat or solar energy. VARS are environment friendly and operates silently. This study attempts to convert a commercially available VARS into a standalone, portable solar-operated unit. Temperatures at the entry and exit of Generator, Rectifier, Condenser, Evaporator and Absorber in a commercially available VARS refrigeratorwere first obtained. The refrigerator is then retrofitted with a heating jacket. A hot fluid is passed through the jacket to replace the electric heating in the conventional refrigerator. The fluid is heated using a parabolic trough solar collector ...


Elephant Grass-Glass Fiber Hybrid Composites, M. MAHESH, K. POORNIMA, M.VENKATESWARA RAO 2020 Bapatla Engineering College, Bapatla, Guntur, India

Elephant Grass-Glass Fiber Hybrid Composites, M. Mahesh, K. Poornima, M.Venkateswara Rao

International Journal of Mechanical and Industrial Engineering

An attempt has been made in the present work to explore and the possible use of variety of cultivated/wild grown fiber in the development of elephant grass–glass fiber reinforced polyester hybrid composites. The fiber is extracted from retting and manual method, and the test specimens are prepared as per “ASTM”standards. Five different contents are incorporated in the specimen, with each fiber content five identical specimens are prepared. Elephant grass–glass fiber reinforced polyester hybrid composites, are prepared by incorporating up to (40/0%,30/10%,20/20%,10/30%,0/40%) by mass.. It is observed clearly ...


Experimental Determination Of Heat Transfer Coefficient By Natural Convection For A Commercially Available Heat Sink Used For Cooling Of Electronic Chips, SUNIL HIREHOLI, K.S. SHASHISHEKHAR, S. GEORGE MILTON 2020 Siddaganga Institute of Technology, Tumkur, Karnataka, India.

Experimental Determination Of Heat Transfer Coefficient By Natural Convection For A Commercially Available Heat Sink Used For Cooling Of Electronic Chips, Sunil Hireholi, K.S. Shashishekhar, S. George Milton

International Journal of Mechanical and Industrial Engineering

Measurements have been conducted for experimentally determining the heat transfer co-efficient of a commercially available heat sink employed in electronic circuits. For determining the heat transfer coefficient the chip is replaced with a heating coil. The power input to the heating coil is obtained by measuring the input voltage and current. Temperature measurement for varying heat inputs is done using RTD thermocouples. Heat transfer co-efficient is computed from the measured data. This is done for different configurations of the heat sink.


Design And Experimental Analysis Of Furnace For The Production Of Bamboo Charcoal, ARIJIT BISWAS, Pinakeswar Mahanta 2020 Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Bangalore, India

Design And Experimental Analysis Of Furnace For The Production Of Bamboo Charcoal, Arijit Biswas, Pinakeswar Mahanta

International Journal of Mechanical and Industrial Engineering

This paper presents the study of carbonization systems for the production of Bamboo Charcoal which is formed on dry distillation of raw bamboo. The paper mentions the drawbacks of the conventional practices of production of Bamboo Charcoal. Design of a new charcoal production unit is aimed at eliminating the identified drawbacks in the present methodology of production making the process of production faster and more efficient by minimizing heat loss during the production process. Designing is attempted with strong consideration for manufacture, operational cost and ease of operation of the furnace as the process finds application amongst rural people with ...


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