RAJAN K

RAJAN K
Dr.MGR Educational and Research Institute | TMDCH · Faculty of Mechanical Engineering

M.E.,Ph.D

About

100
Publications
99,638
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1,071
Citations
Additional affiliations
July 2007 - present
Dr.MGR Educational and Research Institute
Position
  • Professor
Education
July 2007 - July 2011
Dr.MGR Educational and Research Institute
Field of study
  • Alternative fuel for IC Engine

Publications

Publications (100)
Article
Plant-based oils have the most important role in the biodiesel research in engines used for different applications like automobiles, marines, fishing boats, power generators and others. Thisstudy deals with the non-edible plant-based oil of Azadirachta indica, (locally knows as neem), ethanol and diesel fuels for the IC engine. There are three blen...
Article
Full-text available
The objective of this research work is to evaluate the performance, combustion, and exhaust emissions of a variable compression ratio diesel engine utilizing diesel 25% rubber seed bio-diesel mixture (B25) blended with 25 ppm and 50 ppm of alumina nanoparticle running with different operating conditions. An ultrasonicator was used to make uniform d...
Article
Full-text available
Processed oil (HTO) is paraffin-based biofuels derived from many edibles and non-edible sources. HTVO shall be employed in engines as blended fuel with diesel or as neat fuel without or with any major modifications. However, the production of edible resources competes with food production. Hence, alternative non-edible and waste oil will be in high...
Article
Full-text available
The research work investigates the combustion, performance, and emission characteristics of a CI engine using neat biodiesel (B100: 100% rubber seed oil methyl ester) mixed with alumina and titanium oxide nanoparticles in the proportions of 25 ppm and 50 ppm separately. Nanoparticles (alumina and titanium dioxide) in different proportions like 25 p...
Article
Conservation of energy is an important task for the present world which can be achieved by minimizing the usage of conventional fuel and by utilizing non-conventional sources. Solar energy is abundant source of renewable energy which can be used for the thermal and electrical applications. In solar thermal applications there is a need of energy sto...
Article
Full-text available
Abstract - Pollution is one of the big issues in the modern environment all over the world. The greatest contribution in this field is vehicle pollution and industry. Diesel is also one of the key fuels that introduce toxic contaminants to the atmosphere. To meet the strict emission requirements, the polluting components in the fuels need to be dra...
Article
Full-text available
ABSTRACT Increasingcostofpetroleumfuels,fastdepletionofpetroleumresourcesandexcessiveautomotiveengine pollution lead to the researchers to search for an alternate fuel like waste lubricant oil and Waste Trans- former Oil (WTO) for Compression Ignition engines. In the present investigation, WTO is blended with diesel fuel in the ratio of 30:70 (WTO3...
Article
Full-text available
Breast cancer in woman is the most common cancer and in 2018 there were around 2 million new cases recorded. The maximum rate of breast cancer is reported in Belgium followed by Luxembourg. It is the second most general cancer, Lung cancer being the first. If the cancer tumor is located only in the breast, the survival rate would be 99%. If the tum...
Article
This research work investigated the performance and emission behaviors of diesel engine operated with the Neem oil methyl ester (NOME) with different injection pressures such as 200 bar, 225 bar, 250 bar. The engine test was conducted to study the performance and emissions behaviors of diesel engine using B20 biodiesel blend with different injectio...
Article
In high speed machining, performance is generally influenced by the dynamic behaviour of the machine tool structures. The machine tool structure is required to be rigid in order to remove the undesirable vibration and to improve the work piece quality. The most conventional material used in machine tool structure is cast iron which has both stiffne...
Article
This study scrutinize the effect on the appliance of microwave heating (MH) on transesterification of palm oil and analyze its outcome on engine performance. Biodiesel is formed by two routes, that is straight and MH assist transesterification. Both the route require similar amount of palm oil), Methanol, and KOH. Biodiesel primed by straight pract...
Article
This research work investigates the influence of different injection timing (IT) on working characteristics of an engine with 20% Yellow Oleander biodiesel (YOBD20) blend. Experimental tests have been conducted with a YOBD20 blend at different ITs such as 23°BTDC, 25°BTDC, and 21°BTDC were original, advanced, and retarded ITs. From the experimental...
Patent
Full-text available
An automated method and system for gravitational transportation of minerals along with segregation is an invention which will help mine the underground resources may be solid or liquid in a well defined manner along with a system to segregate the mined minerals according to their size or properties. Once the minerals are mined, they are first segre...
Article
This work investigates the impact on the application of microwave heating (MWH) on transesterification of corn oil and views its effect on engine emissions. Biodiesel is produced by two processes, namely conventional and MWH assisted transesterification. Both the process requires same quantity of raw oil (corn oil), alcohol (Methanol), catalysts (K...
Article
This paper highlights the combustion, performance and emission characteristics of a diesel engine using 25% of rubber seed oil methyl ester-diesel blend (RSME25) with different proportions of Dimethyl carbonate (DMC) (10%, 20%, and 30%) inducted through fumigation technique. Fumigation is a method of injecting liquid fuel (DMC) in a vaporized form...
Article
The paper represents the numerical investigation of heat transfer characteristics in a pipe provided with twisted tape inserts is analyzed. The heat transfer was analyzed in a swirling flow conditions using CFD simulation. A commercial CFD package was used for analyze twisted tape for circular tube fitted with triangular cut twisted tape and circul...
Article
This research investigates the effect of nozzle opening pressure (NOP) on the diesel engine’s overall performance, emission and combustion characteristics using the 20% yellow oleander biodiesel (YOBD20) blend with different operating conditions. Initially, the engine test was conducted using diesel and YOBD20 at standard NOP of 200 bar, and then t...
Article
An experiment was conducted to investigate the heat transfer characteristics and friction factor characteristics of a concentric tube fitted with triangular-cut twisted tape (TCTT) insert with a twist ratio Y of 5.4 and depth of triangular cut of 1.2 cm, which were studied for laminar flow. This investigation also is used to find the heat transfer...
Article
Solar energy has become most promising renewable energy nowadays. To achieve a best possible performance from a solar system, the photovoltaic panel is required to absorb maximum radiation in the possible effective way. More the radiation on panel results in more amount of electricity. The primary goal of the paper is to increase the amount of radi...
Article
Full-text available
Metal matrix composites (MMCs) have been an active area of research and scientific investigation for past few years, but only in recent times, MMCs have become realistic engineering materials. In the present study, physical and tribological performance of graphite and alumina particulates reinforced AA6351 matrix composites were examined experiment...
Article
Full-text available
ABSTRACT Increasing cost of petroleum diesel and environmental degradation due to automotive pollution, forces the researchers to search an alternate fuel like biofuel and biodiesel for diesel engine. The biodiesel is produced from Moringa oil by tranesterification process. In the present work, test was conducted to study the performance, emission...
Conference Paper
Numerical investigation of heat transfer analysis was taken with different flow rates using CFD simulation. A commercial CFD package of fluid simulation in solid works was used to analyses the heat transfer and friction factor characteristics. In this present study the double pipe heat exchanger for a plain tube and twisted tape with the triangular...
Conference Paper
Diesel oil as an energy source is insufficient to meet the present-day energy demands and rapid industrial development. The goal of this work is to experimentally investigate the effects of using CDB (Cashew Nut Shell Oil diesel blends i.e. B20) mixture of 80% diesel by volume with 20% CNSO with different injection pressures (IP) of 200, 220 and 24...
Article
Nowadays solar energy is getting much attention in all the available renewable sources. Most of the solar devices consist of a solar receptor arranged to face the sun to get the maximum amount of sunlight on a photovoltaic panel using mirrors and auto tracking technology. However the main defect occurs with the day and seasonal variations. The amou...
Chapter
Full-text available
Aluminum matrix composites (AMCs) show the attractive physical and mechanical properties like excellent strength, superior specific modulus and good wear resistance In the current work studies the impact of stirring time, stirring rev per minute and wt% of micron-sized particles on hardness behavior of Al alloy reinforced with silicon carbide which...
Article
Full-text available
Storing of available energy for later use is a necessity in the present world, one such method is using Phase Change Materials (PCMs). PCMs need a heat transfer medium to transfer the energy from the source to the PCM. In this present work spherical balls are used to store the PCM and water is used as a heat transfer fluid. Paraffin wax (PW) and Pa...
Article
In the current scenario, hard ceramic particles reinforced aluminum matrix composites have a massive number of applications in aircraft, automobile, structural, non-structural, marine and transportation applications like the drive shaft, connecting rod and brake drum. The foremost objective of this investigation is for assessing the mechanical and...
Article
Full-text available
In the present work an attempt is made to store solar energy in Paraffin and Palmitic acid and the eutectic mixture of the two and compared with each other. Cylindrical type tube heat exchanger is used for the storage purpose and water is used as a heat transfer fluid (HTF). The storage time for charging and discharging processes of the three mater...
Article
The lineage of applied materials science is always in demand for light weight and highly performing materials. Such materials would find their applications in aircraft, structural, non-structural and automobile industries, etc. The present research study focuses on the production of aluminium (AA6351) matrix composites reinforced in different mass...
Article
The lineage of applied materials science is always in demand for light weight and highly performing materials. Such materials would find their applications in aerospace, structural, transportation and marine industries, etc. The present work focuses on the influence of silicon carbide (SiC) particles addition on the properties of AA6351 aluminum ma...
Article
In this paper, an experimental investigation was carried out to evaluate the performance of the Cashew Nut Shell Oil Diesel Blend (CNSODB) which can be used in diesel engine. The engine piston was coated with ceramic material with Silicon Carbide (SiC) of thickness 400 microns by plasma spray method. The experiments were carried out by diesel and C...
Article
The lineage of applied materials science is always in demand for light weight and highly performing materials. Such materials would find their applications in structural, non-structural, marine, automobile and aerospace industries. In the present investigation, an aluminum alloy AA6351 was reinforced with different percentages (0, 4 and 8 wt%) of T...
Article
In the current scenario, particulate reinforced aluminium matrix composites present a plenty of applications to aircraft, marine, structural, transportation and automobile industries. This article deals with the fabrication of hybrid AA6351 aluminium matrix composites which incorporates stir casting route. In the process of fabrication AA6351 is re...
Article
Full-text available
The experimental investigation is conducted to evaluate the effects by using Diethyl ether (DEE) as an additive. The Cashew Nut Shell Oil diesel blends (CDB) are tested in a 4-stroke single cylinder DI unmodified diesel engine, rated power is 4.4 kW at a speed of 1500 rpm. The effect of combustion analysis of test fuels on net heat release rate, cy...
Article
Full-text available
In this investigation butanol was added to diesel with known percentages to improve the performance of a diesel engine. To avoid separation, Span 80 emulsifier added to the oxygen enriched fuel with water to get suitable blends. The experiment has been conducted in a four stroke, single cylinder diesel engine having different loads at constant spee...
Article
Full-text available
ABSTRACT The shape of the piston cavity, variable injection pressure and variable compression ratio are main input parameters to give better atomization of fuels and high swirling induction that improves the diesel engine performance, combustion and emissions characteristics. In this study, the engine test was carried out to improve the combustion,...
Article
In the present investigation, AA6351 aluminum alloy matrix composites reinforced with various percentages of AlN particles were fabricated by stir casting technique. The percentage of AlN was varied from 0 to 20% in a step of 4%. The prepared AA6351-AlN composites were characterized using scanning electron microscope (SEM) and x-ray diffraction (XR...
Article
In the present scenario, dual particles reinforced aluminum matrix composites have a vast number of applications in aerospace, marine, transportation, structural and non-structural applications like drive shaft, connecting rod, piston and brake drum. The main objective of this work is for evaluating the mechanical and the tribological behavior of a...
Conference Paper
In the current scenario, hard ceramic particles reinforced aluminum matrix composites have a massive number of applications in aircraft, automobile, structural, non-structural, marine and transportation applications like the drive shaft, connecting rod and brake drum. The foremost objective of this investigation is for assessing the mechanical and...
Conference Paper
The lineage of applied materials science is always in demand for light weight and highly performing materials. Such materials would find their applications in aerospace, structural, transportation and marine industries, etc. The present work focuses on the influence of silicon carbide (SiC) particles addition on the properties of AA6351 aluminum ma...
Conference Paper
The lineage of applied materials science is always in demand for light weight and highly performing materials. Such materials would find their applications in aircraft, structural, non-structural and automobile industries, etc. The present research study focuses on the production of aluminium (AA6351) matrix composites reinforced in different mass...
Article
Full-text available
Cashew nut shell liquid (CNSL) is biomass based fuel produced from raw waste cashew nut by pyrolysis process and it has been considered as an alternative fuel for diesel engine. In this work, the performance emission and combustion characteristics of a diesel engine with preheated 20% CNSL-diesel blend (B20) in a single cylinder four stroke direct...
Conference Paper
Aluminium alloy matrix composites reinforced by a different mass fraction of silicon carbide were fabricated through stir casting method. The base alloy and composite specimens were subjected to impact test, micro-hardness test and tensile test. Microstructural characterization of base alloy and produced composite were investigated by an optical mi...
Conference Paper
Full-text available
The airborne renewable energy system has two types of generating systems of which is flying generator system and other is ground generating system. In terms of displacement it is categorized into static and dynamic systems. The design involved in the analysis is taken as static and consists of both wind and solar energy generation system. The resea...
Conference Paper
Aluminium alloy matrix composites reinforced by a different mass fraction of silicon carbide were fabricated through stir casting method. The base alloy and composite specimens were subjected to impact test, micro-hardness test and tensile test. Microstructural characterization of base alloy and produced composite were investigated by an optical mi...
Conference Paper
The mechanical behaviour of aluminum matrix composites (AMCs) Al6351 alloy reinforced with silicon carbide particulate, manufactured by stir casting method. The percentage of reinforcement was varied from 0 to 12% in a step of 4. In the present study, The mechanical properties of the base alloy and produced composites are investigated. The produced...
Article
Full-text available
In today's world, as the technology is progressing day by day, the availability of oil-based fuel resource is getting depleted. The demand for an alternative fuel resource to sustain and advance the technological development is linearly increasing. To meet this challenge, experiments have been conducted with suitable engine modifications in a 4-str...
Article
Full-text available
The presence of Robots in all engineering industries and commercial applications is tremendously growing day by day. Considering this there is a need to implement the robotic principles, which cannot be applicable to the human beings directly. One of the essential areas that lead to complications is maintenance and inspection of large vertical stru...
Article
Full-text available
AA7075 aluminum alloy matrix composites with 0, 5 and 10 wt.% of AlN particulates reinforcement was synthesized by stir casting method. The wettability of aluminum nitride particles in the matrix was improved by adding (2%) magnesium in to the aluminum melt. The mechanical properties of the developed composites and base alloy were tested. Microstru...
Article
Full-text available
The generation of power from the reduction of fossil fuels is the biggest challenge for the next half century. The idea of converting solar energy into electrical energy using photovoltaic panels holds its place in the front row compared to other renewable sources. But the continuous change in the relative angle of the sun with reference to the ear...
Article
Full-text available
In this study, the performance and emission characteristics of a single cylinder diesel engine with the effect of piston bowl geometry [hemisherical cavity piston (HCP) and toroidal cavity piston(TCP)] using diesel and corn oil methylester and its diesel blends have been ivestgated under different loading conditions. The refined corn oil was conver...
Article
Full-text available
Biodiesel is one of the best alternative fuels to Diesel engine among other sources due to having potential to reduce emissions. Biodiesel is a renewable, biodegradable and environment friendly fuel in nature. The advantages of biodiesel are lower exhaust gas emissions and its biodegradability and renewability compared with petroleum-based diesel f...
Article
Cashew nut shell liquid (CNSL) is biomass based fuel produced from raw waste cashew nut by pyrolysis process and it has been considered as an alternative fuel for diesel engine. In this work, the performance emission and combustion characteristics of a diesel engine with preheated 20% CNSL-diesel blend (B20) in a single cylinder four stroke direct...
Article
Full-text available
Biodiesel is an alternate fuel for Diesel engine due to its properties is close to diesel fuel. Also it is biodegradable, non-toxic, and renewable in nature. In the present work, the performance, emission, and combustion characteristics of a Diesel engine using diesel and 25% rubber seed oil methyl ester diesel blend have been investigated with the...
Article
An experimental investigation of heat transfer, friction factor and pressure drop characteristics in a pipe fitted with the Al twisted tape and cu twisted tape inserts with different twist ratio. The experimental work was conducted and the analysis of heat transfer was investigated with laminar flow. The experimental data were obtained from the dou...
Article
Full-text available
This paper investigates the reliability and performance of a refrigeration system using nanolubricant with 1, 1, 1, 2-Tetrafluoroethane (HFC-134a) refrigerant. Mineral Oil (MO) is mixed with nano particles such as Titanium Dioxide (TiO2) and Aluminium Oxide (Al2O3). These mixtures were used as the lubricant instead of Polyolester (POE) oil in the H...
Article
Full-text available
An experimental investigation was carried for measuring heat transfer, Reynolds number, and friction factor fitted in concentric tube with twisted tape inserts. The different twist ratio y=2.52, 3.00 and 3.20 were studied for the laminar flow using computational fluid dynamics package. An aluminium inner tube of 18 mm internal diameter and 20mm out...
Article
Full-text available
Abstract: This article reports experimental investigation of heat transfer and friction factor characteristics with different flow rates by means of CFD simulation. In this work is conducted by the double pipe heat exchanger with counter flow direction. The data acquire from the plain tube double pipe heat exchanger with the CFD simulation and ensu...
Article
Full-text available
Thermal Energy Storage using phase change materials (PCM) has become an interesting area of energy research because of its high energy storage density, isothermal nature of storage process and small volume changes. In the present work paraffin wax (PW) and Palmitic acids(PA) are chosen as phase change materials and mixed in different proportions(40...
Article
Full-text available
In the present study, an aluminum alloy AA6351 was reinforced with different percentages (1, 3 and 5 wt %) of TiB2 particles and they were successfully fabricated by in situ reaction of halide salts, potassium hexafluoro-titanate and potassium tetrafluoro-borate, with aluminium melt. Tensile strength, yield strength and hardness of the composite we...
Article
Full-text available
Cashew nut shell oil (CNSO) is potential alternative fuel for diesel engine. Its drawback is incomplete combustion and low brake thermal efficiency (BTE) due to high viscosity. To overcome this problem the CNSO was blended with diethyl ether (DEE) which is less viscous and burns easily. The influence of blends on CO, NOx and smoke emission is inves...
Article
Full-text available
This paper investigates the performance and emission characteristics of 20% cashew nut shell liquid (CNSL)-diesel blend (B20) in a direct injection diesel engine. The cashew nut shell liquid was prepared by pyrolysis method. The test was conducted with various nozzle opening pressures like 200 bar, 225 bar and 250 bar at different loads between no...
Article
Full-text available
Recently renewable energy sources have gained much attention as a clean energy. But the main problem occurs with the varying nature with the day and season. Aim of this paper is to conserve the energy, of the natural resources. For solar energy resource, the output induced in the photovoltaic (PV) modules depends on solar radiation and temperature...