mech projects 2013-14

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SNS College of Technology, Coimbatore -35.

Department of Mechanical Engineering

Project Detail

Academic Year 2013-14

Project Title AUTONOMOUS ROBOTIC BOAT FOR MARINE WATERSAMPLING Sponsored By Institution of Engineers (IE)

Project Members ARAVINTH.TDEEPAVASANTH.P.S

DINESHKUMAR.VN.SARAN KUMAR

Name of the Guide Dr.S. John Alexis

Abstract The aim of this present work is to develop an autonomous robotic boat

using Raspberry pi Linux based on board computer, which refers to any

vehicle that operates on the surface of the water without a crew, capable

of sampling water.Some reason for the sampling are: long-term monitoring of the water

quality; to determine whether the water quality is generally good or bad

for the intended use; to identify specific areas of concern such as points of

suspected contamination; or to determine if a particular problem has been

corrected. The position and time at which the sampling is done will be

recorded and stored on data recorder for later data processing.

Scientists will be using AUVs to study lakes, oceans and the ocean floors.

A variety of sensors can be affixed to AUVs to measure the concentration

of various elements or compounds that contaminate or affect water quality

by the absorption or reflection of light and the presence of microscopiclife. Additionally AUVs can be configured as tow-vehicles to deliver

customized sensor packages to specific locations.

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Project Title FABRICATION AND ANALYSIS OF HYBRID BIOMATERIALPLATE

Project Members DINESHKUMAR.M

JAYAKUMAR.MPREMKUMAR.K

VELPRASATH.PName of the Guide Prof.B.Pranesh

Abstract Introduction of new Materials in Medicine addresses applications of

materials (synthetic and natural) and which are the properties used in

contact with biological systems. Clinical results in orthopaedics have

demonstrated that a great need exists, Hence finding new and better

biomaterials that will help and satisfy the minimum requirements for

orthopaedic devices to perform correctly on a long-term basis, is critically

required.

In the proposed project, combination of stainless steel and ceramic

plate used for replacing the bones. Now-a-days either stainless steel plateor ceramic plate is used in orthopaedic surgery. Stainless steel is corroded

at 0.02g/day. But it is used with titanium alloy. So these plates are strong

and durable. In the case of ceramic plate, it will not corrode. But it is a

weaker material. It cannot take a high load when ceramic plate is inserted

in the human body.

As the result of the proposed project, corrosion rate of the

conventional stainless steel biomaterial plate is minimised by coating

calcium phosphate. Stainless steel corrodes at the rate of 7.3g/year, but

hybrid biomaterial plate corrodes at the rate of 0.146g/year. So the hybrid

biomaterial plate will make great revolution in biomedical implants.

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Project Title EFFECT OF MOISTURE ABSORPTION ON MECHANICALPROPERTIES OF COIR-SISAL HYBRID COMPOSITE

Project Members BHARATH.T

KUMARESAN.VMAHENDRAN.A

PRASHANTH.PName of the Guide Prof.G.Tharanitharan

Abstract Composite materials are being highly used in light weight

engineering applications. Composite materials are highly preferredbecause of its various properties such as high strength to weight ratio,

corrosive resistance, less cost elegance in appearance, design flexibilityand so on. The aim of this study is to compare the mechanical propertiesof coir-sisal hybrid random oriented polymer matrix composite in dry and

wet conditions with varying the fibre length and fibre volume fraction.The Hand lay-up moulding technique was used to fabricate the composite

material and for testing the tensile, flexural and impact strength followed,

the ASTM standards are ASTM D638, ASTM D790 and ASTM D256respectively. The fabricated material was immersed in water for 24 hours

to check the moisture absorption characteristics and its effects on themechanical properties of the material. The overall result shows that for

same proportions of material there is a change in mechanical propertiesdue to its moisture absorption by the material. As compared the wetsamples with dry samples of coir-sisal composites, for same length of the

fibre and different volume fraction the mechanical properties weredecreased gradually. Due to increasing the rate of fibre content of the

composite material, tensile and impact strength were increased andflexural strength follows harmonic path. The rate of moisture absorption

is mainly depends upon the volume fraction of the fibres. Taguchi methodhas used to find the optimum fibre parameters for maximum mechanicalproperties. To obtain the maximum value for tensile, flexural and impact

strength, the fibre parameters are different for each properties. From thecombination of 20 mm fibre length and 40% volume fraction, theoptimum value obtained about the strength of tensile, flexural and impact

was 23.7 Mpa, 22.5 Mpa and 104.8 J/m. The conclusion revealed that thevolume fraction of fibre content plays a major in the strength of the fibres.

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Project Title OPTIMIZATION OF FORGING PROCESS OF PETROL ENGINECONNECTING ROD

Project Members ANBARASAN.C

DAYANAND.JHARIVIMALESH.D

Name of the Guide Prof K.KrishnakumarAbstract Forging is a manufacturing process involving the shaping of metal using

localized compressive forces. Various components like connecting rod,

wheel spindle, kingpin, axle, shafts, ball studs, idler screws. Etc., are madeup of forging process. The forging process consists of various parameters

like design of die, design of flash, metal flow rate that are used todetermine the quality of forging process. Perform design in forgingprocesses are an important aspect for improving the forging quality.

Finite element method based DEFORM software in conjunction with

Taguchi method has been used to simulate and optimize the forging

process of the connecting rod and then performing a series of optimization

iterations in order to obtain the optimal result on forging loadminimization. The objective of the simulation and optimization process is

to minimize the forging load and produce defect-free forging of the

connecting rod. The approach used in this study could be extended to the

optimization of more complicated forging products. The material used for

the billet is steel (AISI- 1035) and the die set is AISI H-13. A total of 9

experiments were done on the basis of two parameters i.e. temperature and

the die speed ranging from 1050oC to 1200oC and 80mm/s to 200mm/s

respectively. The load range has decreased from 7.5 N to 4.5 N and the

strain rate varying from 1200(mm/mm)/s to 15000 (mm/mm)/s


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Project Title DESIGN AND FABRICATION OF FIXTURE FOR HOUSING OILPUMP UPPER PART done at Enkey Engineering Works

Project Members PRASHANT IYER.G

RAMESH.PROBIN.D

SHANMUGA KIRAN.TName of the Guide Prof.C.Chinnasamy

Abstract The purpose of this project is to design and fabricate fixture for the

component housing oil pump upper part. The component is made up ofaluminum and is having two operations. The first operation can be done

by using CNC turning center and the second operation are done usingCNC tapping center. The production department in company does nothave any special fixture for the component and the machining operations

in the component are carried out by manual processes, which lead toconsume more process time, for machining each face in the component.

This will affect the total job setup time at every cycle of machining, and

the overall production rate of the component housing oil pump upperpart will be less and in turn it affects the productivity.

Presently the current methodologies used in the company for carrying outtwo operations in the component have many drawbacks. The setting time

for carrying out two operations is 60 minutes, the overall process time(running, clamping and cycle time) is 12 minutes for operation 1 and foroperation 2 the overall process time is 9.80 minutes. Using the current set

of process timings the company is approximately producing 12components per hour. Therefore this process timing will lead to more idle

time of the machine and in turn will effect the production rate.

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Project Title DESIGN AND DEVELOPMENT OF MODIFIED AIR COOLERCUM STORAGE SYSTEM

Project Members AMARNATH.S

IMDAD AHMED.HMAHESWARAN.K

NAVEEN KUMAR.SName of the Guide Dr.P.Tamil Selvam

Abstract The modified air cooler cum storage system is a type of conventional air

cooler which is used for providing room cooling as well refrigerationsystems. The water supplied to the cooler is precooled by evaporative

cooling. The cooled water is then supplied to the air cooler. Air comes incontact with the cooled water and it is cooled to a lower temperature. Thisair is forced into the room by the help of a fan for cooling purpose. In

addition, the system also has a cold storage box for storing perishableitems. The system consists of a lower tank which is a mud pot whose outer

periphery is filled by sand slurry. The lower tank and the slurry are held

by a larger mud pot, i.e., a pot-in-pot system. The lower tank is filled withwater and it is connected to the upper tray through a pump. The water in

the upper tray is passed through a cooling pad which is used for absorbingthe water. A fan is fixed next to the cooling pad and is followed by a vent

system. The tray also has another port which is connected to the coldstorage box. The water circulates throughout the periphery of the box andreturns back to the lower tank.

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Project Title EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER INAL2O3 NANOFLUIDS

Project Members ADARSH.P

ASHWINKUMAR.SBALACHANDRAN T M

MOHAN.RName of the Guide Prof.J.Yogaraja

Abstract Cooling is indispensable for maintaining the desired performance and

reliability over a very huge variety of product like car, computer, high

power laser system, electronic devices, etc.Whenever there is a increase in

the heat load and heat fluxes caused by more power and smaller size, for

these product cooling is one of the technical challenge faced by the

industries like as microelectronics, transportation, manufacturing. Water

has been used as the fluid to carry away the heat in these devices. The

development of nanofluids generally shows a better heat transfer

characteristics than the water. This project reports an experimental studyon the forced convective heat transfer and flow characteristics of a

nanofluid consisting of water and 1% volume concentrations of Al2O3

/water nanofluid flowing in a parallel flow, counter flow and shell and

tube heat exchanger under laminar flow conditions . The Al2O3

nanoparticles of about 50 nm diameter are used in the project work. The

results show that the overall heat transfer coefficient and convective heat

transfer coefficient of nanofluid is slightly higher than that of the base

liquid at same mass flow rate and at same inlet temperature.


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Project Title INVESTIGATIONS ON THE SELECTION OF SUITABLE NANOPARTICULATE LUBRICANT

Project Members RAM KUMAR.V.M

S.DHARSANM.PRASATH

S.SELVARAJName of the Guide Prof.K.Thirumalai Kannan

Abstract Friction and wear, as one of the main causes of materials failure, has

attracted more and more attentions all over the world . In recent years,numerous studies have reported that the addition of nanoparticles, such as

metal , metal oxide , metal sulfides , carbonate , borate , carbon materials ,organic material and rare-earth compound , to lubricants is effective inreducing friction and wear. The friction-reduction and anti-wear behaviors

are dependent on the characteristics of nanoparticles, such as size, shapeand physicochemical nature . The mechanisms for the reduction in friction

and wear of nanoparticles are mainly associated with the following

aspects: (a) the colloidal effect, i.e. the nanoparticles penetrate the elasto-hydrodynamic contacts by mechanical entrapment to form a boundary

lubricating film ; (b) the spherical nanoparticles act as nano-bearingsbetween the rubbed surfaces to reduce the friction and wear by surface

polishing and the increase in surface hardness effects ; (c) thenanoparticles serve as spacers to eliminate the metal-to-metal contactbetween the asperities of the two mating surfaces ; and (d) various

boundary films with excellent mechanical and lubricating properties aregenerated on the rubbed surfaces .

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Project Title STUDY AND INVESTIGATION OF MECHANICAL PROPERTIESON FRICTION STIR PROCESSED AA6061 ALUMINIUM ALLOY

SHEET METAL REINFORCED WITH AL2O3 SURFACE

COMPOSITE

Project Members ARUN KUMAR S

FAYAS BABU.KRAVI KUMAR.RS.P.NAGARAJAN

Name of the Guide Prof.T.Prakash

Abstract Friction stir welding (FSW) has become a technology of widespread

interest because of its numerous advantages, most important of which is

its ability to weld un-weld able alloys. Compared with many of the fusion

welding processes that are routinely used for joining structural alloys,

FSW is an emerging solid state joining process in which the material that

is being welded does not melt and recast. Defect free welds with good

mechanical properties have been made in a variety of aluminium alloys,even those previously thought to be not weld able. FSW will not

encounter problems like porosity, alloy segregation and hot cracking, and

welds are produced with good surface finish and thus no post weld

cleaning is required. There have been a lot of efforts to understand the

effect of process parameters on material flow behavior, microstructure

formation and hence mechanical properties of friction stir welded joints.

The effect of some important parameters such as rotational speed, traverse

speed and axial force on weld properties is major topics for researchers. In

order to study the effect of FSP process parameters, most workers follow

the traditional experimental techniques.


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Project Title DESIGN AND FABRICATION OF SMALL WATERDISTILLATION UNIT USING SOLAR ENERGY

Project Members KARTHICK.T

NIRMAL KUMAR.MPRAVEEN.N

M.MUTHURAMKUMARName of the Guide Prof.C.Senthil Kumar

Abstract The purpose of this project is to design a water distillation system that

can purify water from nearly any source, a system that is relatively cheap,drinkable and depends only on renewable solar energy. The motivation for

this project is the limited availability of clean water resources, In additionto that pure water is essential for human life but is not available in most ofthe place in the world. The solar distillation system which exist already in

the market is more costlier. The main objective of the project is toefficiently produce clean drinkable water from solar energy conversion.

Distillation is one of many processes that can be used for water

purification. When Solar energy is used for this purpose, it is known asSolar water Distillation. Solar Distillation is an attractive process to

produce portable water using free of cost solar energy.This solar distillation system is operated using vacuum which will

decrease the boiling temperature. To increase the heat absorption, blower

and black coating is provided. Keeping this in mind, it is proposed to

design a model which purifies the contaminated water into drinkable

water.


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Project Title DESIGN AND FABRICATION OF COMPOSITE MONO LEAFSPRING

Project Members GANESH KUMAR.B

MANOJKUMAR.SA.SARAVANAKUMAR

P.THIRUPATHIName of the Guide Prof.M.Suresh kumar

Abstract The Automobile industry has shown keen interest for replacement of steel

leaf spring with that of glass fiber composite leaf spring, since thecomposite material has high strength to weight ratio, good corrosion

resistance and tailor-able properties. In the proposed project the materialselected is a glass fiber reinforced plastic (GFRP) and Kevlar fibresreinforced plastic which will be more economical and will reduce total

cost of composite leaf spring. A leaf spring with a constant width andthickness is fabricated by hand lay-up technique which is very simple and

economical.

The fatigue analysis of a mono fiber has been carried out. Primaryobjective is to compare the load carrying capacity, stiffness and weight

saving of a composite leaf spring with that of a steel leaf spring.Experiments are conducted under various conditions like deflection, strain

energy, stresses and the results of various parameters studied arepresented. The result shows that the composite leaf spring has 63.7%lesser stress 64.35% higher stiffness and weight reduction 68.17% is also

achieved by using composite leaf spring.

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Project Title DESIGN AND FABRICATION OF BALANCING WHEEL FORTWO WHEELER

Project Members ASHOK KUMAR.E

MUKESH.RRAJESH.T

MANIKANDAN.MName of the Guide Prof.T.Venkatajalapathi

Abstract The aim of our project is to balance the two wheel vehicle by using self-

balancing wheel. Self-balancing vehicle with at least two wheels restingon the ground, at least two of which wheels are arranged on either side of

the center of gravity with respect to the longitudinal axis of the vehicle,and at least one of which wheels is directionally controllable. At least onesection of the vehicle is tilt able about the longitudinal axis of the vehicle

and for measuring the magnitude and/or the direction of the load, for thepurpose of producing and/or maintaining a change in direction of the

directionally controllable wheel during travel. The main balancing of two

wheeler is required only at low speed of vehicle when it is moving intraffic or when a person is travelling with his family in traffic area. So it

becomes very tedious to ride at slow speed with balancing. As analyzedfrom the fabrication, it operate correctly when no person is sitting on it

and with pressure on the chain when one person say about 250 kg of totalweight of vehicle including the person who is sitting on it is acted. Whentwo people sitting on it and when vehicle tilted about some angle say

about 15 then, the side shaft in balancing wheel design provide supportfrom bending and balancing.

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Project Title OPTIMIZATION OF TIG WELDING PARAMETERS ON AISI 304STAINLESS STEEL

Project Members ARUN KRISHNA.K

JOSE ASHOK.JMANIRAJA.C

SARATH KUMAR.RName of the Guide Prof.R.Dharmalingam

Abstract Austenitic stainless steel grade AISI 304is used for a wide variety of home

and commercial applications. This is one of the most familiar and most

frequently used alloys in the stainless steel family, such as tanks and

containers for a large variety of liquids and solids, food industry,

pipelines, etc. These steels are used mainly because of its forming and

welding properties, deep drawing quality, excellent toughness, ease of

cleaning and fabrication, beauty of appearance. Tungsten Inert Gas

welding (TIG) is high quality and high precision welding process which

are suitable for welding metals. It is also an important component in manyindustrial operations. Inert gas as helium and argon are used as a shielding

gas to prevent the weld bead from air, dust and other contaminations in

welding. There are so many welding process parameters that affect the

weld quality in TIG. Important process parameter which mainly affect the

weld quality are welding current, arc voltage, welding speed, gas flow

rate, heat input, gun angle, stand of distance and specimen thickness. This

paper presents the influence of welding parameters like welding current,

welding speed and gas flow on strength of carbon steel on AISI 304

material during welding. A plan of experiments based on Taguchi

technique has been used to acquire the data.


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Project Title INVESTIGATION OF TIG WELDING PARAMETERS ON AISI1040 MILD STEEL

Project Members PRITHIV RAJ.M

RAGHAV AVINASH.RSIVA PRASAD.S

VASUDEV.NName of the Guide Prof.S.Gunasekaran

Abstract Carbon steel like AISI 1040 finds many structural applications such as

frames and also used for shafts, stressed pins, studs, keys, cold headedbolts and other applications. These steels are used mainly because of its

ductility, it is easily available and also because of its low cost. For thesestructural applications the steels cannot be used as a single component,hence it should be cut and welded for the usage according to the

requirements.Tungsten Inert Gas welding (TIG) is high quality and high precision

welding process which are suitable for welding metals. It is also an

important component in many industrial operations. Inert gas as heliumand argon are used as a shielding gas to prevent the weld bead from air,

dust and other contaminations in welding. There are so many weldingprocess parameters that affect the weld quality in TIG. Important process

parameter which mainly affect the weld quality are welding current,welding speed, gas flow rate.This paper presents the influence of welding parameters on strength of

carbon steel on AISI 1040 material during welding. A plan of experimentsbased on Taguchi technique has been used to acquire the data. An

orthogonal array, signal to noise (S/N) ratio and analysis of variance(ANOVA) are employed to investigate the welding characteristics and

optimize the welding parameters.


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Project Title DESIGN AND FABRICATION OF TWO AXIS SUN TRACKINGSYSTEM USING LDR

Project Members HARISH.M

SARAVANAN.MSURIYA PRAKASH.C

P.PONMANASELVANName of the Guide Prof.B. Senthil Kumar

Abstract This project has presented an implementation of a Sun tracker a dual-axis

DC gear motor to follow the Sun and used a stand-alone PV inverter to

power the entire system. The proposed two motor design was simple and

selfcontained. A project has been successfully built and tested to verify

the effectiveness of the control implementation. Experiment results

indicated that the developed system increased the energy gain up to

26.10% when compare to fixed system. The proposed methodology is an

innovation so far. It achieves the following attractive features: (1) a simple

and cost-effective control implementation, (2) a stand-alone PV inverter topower the entire system, (3) ability to move the two axes simultaneously

within their respective ranges, (4) ability to adjust the tracking accuracy,

and (5) applicable to moving platforms with the Sun tracker.

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Project Title OPTIMIZATION OF SURFACE ROUGHNESS AND FLANKWEAR IN TURNING AISI 4140 ALLOY STEEL USING TAGUCHI

METHOD

Project Members KISHORE KUMAR.MKOWSHIK KUMAR.A.L

SRINIVAS SVINODH.T

Name of the Guide Dr.R.Thirumalai

Abstract The purpose of this proposed project work is focused on the analysis of

optimum cutting conditions to get minimum surface roughness and

minimal flank wear in turning AISI 4140 alloy steel by Taguchi method.

AISI 4140 alloy steel has high fatigue strength, abrasion and impact

resistance, toughness, and torsional strength and has various applications.

By referring various journal papers AISI 4140 alloy steel is selected. L9

orthogonal array is designed to conduct the experiments. Experiments are

conducted on super cut 5XL Lathe using coated carbide tool. The processparameters identified are cutting speed, feed and depth of cut. Surface

Roughness and Flank wear are selected as the responses. Surface

Roughness is measured using Mitutoyo Surface roughness tester and

Flank wear is predicted using SEM images after the experiments. The

results are analyzed using analysis of variance (ANOVA) method. The

regression equations for the responses are determined and the probability

plots are plotted and found satisfactory. The R-squared values are also

calculated using analysis of variances and it is found that these values are

close to the proximity level and satisfactory, as the R-squared value comes

around 90%. Taguchi method is used to analyze the dominating

parameters in minimization of surface roughness and minimization of

flank wear.


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Project Title RAILWAY ENHANCEMENT PROGRAM Sponsored By TNSCST

Project Members ADITHYAN.GDIVAKARAN.C

MADHANKUMAR.PRAM ANANDH V P

Name of the Guide Dr.M.ThiagarajanAbstract Indian railways have become a major transport system used by most of the

people. The system though comprises of many technologies to serve

people there are some lagging of features, this project addresses some ofthose grievances. The railway enhance program includes a technique to

provide a supplementary seat with lifting mechanism which can replace aconventional ladder system used in the passenger compartment that doesnot solve its purpose for people who are physically challenged and old

aged people. The system uses a simple assembly of lead screw, motor andbevel gear for lifting the seat that is attached with the lead screw.

This supplementary seat will lift the passengers to middle, upper and side

upper berths using the lead screw. The lead screw will be powered using aD.C. motor. This supplementary seat will be more compact and will not

occupy too much space in the present railway system. The supplementary

seat can be easily installed in the train without any modifications in the

present design.


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Project Title STUDY OF POWER GENERATION USINGELECTROMAGNETIC REGENERATIVE SHOCK ABSORBER

Project Members BALAJI.T.N.V

DINESH KUMAR.SXAVIER ANTONY

R.K.RAJKUMARName of the Guide Dr.L.Savadamuthu

Abstract The world is moving to an era which needs more of fuel conservation.

There is a need for a tremendous upgradation in the field of automobile as

it is completely based on some kind of fuel. Our technology uses the help

of regenerative shock absorber .and the concept is completely relayed on

faradays law of electromagnetic induction. The parameter for this shock

absorber is made similar to that of ordinary one. The coils in ordinary

shock absorber are replaced with the magnets. The magnets are placed one

above the other, such that the like poles are paired. This type of

arrangement not only generates power but also act as a magneticlevitation. The magnets are placed in the female component of the shock

absorber and male component of the shock absorber consist of the copper

coils which cuts the magnetic flux to give the electromagnetic force. The

electromotive force so produced is a bi directional current (Alternating

Current), hence it is converted into DC (Direct Current) by using a

rectifier. This is again stored in a battery, this can be utilised for secondary

purposes of the vehicle. The vehicles vibrational energy is converted into

voltage which can be stored in a battery and used for secondary purpose.

This further increases the fuel efficiency and cut down on pollution.

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Project Title DESIGN AND FABRICATION OF SOLAR CHIMNEY POWERPLANT

Project Members RG.SIDDHAARTHAN

Name of the Guide Prof.C.Senthil Kumar

Abstract The Solar Chimney Power technology is a relatively new technology for

generating electricity from solar energy on a large scale. This technologyis now drawing attentions of many researchers and energy pioneers fromall over the world as a technology for the future which when built on large

scales in areas enriched with solar radiation could supply our energy needseffectively at a cost lower than all the other existing solar power

technologies can provide. With the cost of conventional fuelsskyrocketing, the Solar Chimney Power Plants (SCPP) could supplyelectricity at a lower unit cost than even the conventional power plants

that are dependent on fossil fuels in the near future.The major portions of the regions possessing high potential for Solar

Chimney Power Plants like Africa & Asia include tropical countries like

India where the sky is frequently overcast. Despite the fact that theseplants can utilize both beam and diffused radiations from the sun, there

will be a significant drop in power output of these plants during overcastconditions owing to significant reductions in solar radiation during such

sudden overcast conditions occurring frequently during the day. Theexperimental study is centered on improving the performance of theseplants under such overcast conditions or in other words limiting the drop

in power output of these plants so that the output profile is more uniform.To achieve this desired improvement in the output profile of these plants,

it was decided to use pebbles along with water for energy storage, aswater has been recommended in the literature for energy storage in these

plants. In order to test the effectiveness of the proposed multiple materialsenergy storage configuration, an experimental scaled model of SCPPconsisting of a chimney 2 m in height and a collector 1.504 m in diameter

is proposed to be fabricated and installed .


mech projects 2013-14

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