A: Mechanical & Mechanics (181)
GJRE: A
Improving the Flow Rate of Sonic Pump by Means of Parabolic Deflector
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 8 This paper investigates the effect of a parabolic deflector on the flow rate of a sonic (resonance) pump. A specially shaped parabolic deflector is designed and manufactured to fit to a1.5†spring-loaded poppet valve and tested on a solar powered sonic pump at resonance frequency of 5.33 Hz. It was found that the flow rates increased by as much as 51% at 22 Watt and by 5.1%...
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Authors Ivan A. Loukanov, Mothaedi M. and Keaitse M.Read Journal Click Here
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Page No. 19 to 23
Optimum Design of Autofrettaged Thick-Walled Cylinders
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 8 The effect of autofrettage process on thick-walled cylinders has been investigated here. It is observed that flow stress distribution along the cylinders remains same for same k values. Comparison with Zhu & Yang’s model has been also done in determination of optimum elasto-plastic radius, ropt and optimum autofrettage pressure, popt. Equivalent von Mises stress is used ...
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Authors Md. Tanjin Amin, Dr. Abu Rayhan Md. Ali, Tousif Ahmed, Faisal AhmedRead Journal Click Here
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Page No. 1 to 7
Optimization of Public Seat Functions to Assure a Comfortable Sitting Posture in Diverse Conditions
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 8 Seat functions for public seats, such as those in railway vehicles, have been designed to assure a comfortable sitting posture. However, the importance of these functions is not widely understood. Public seats are used in a variety of conditions because users have diverse physiques and sitting postures. Thus, design solutions that consider only standard conditions, physiques, and sitting...
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Authors Takeshi Kitamura, Takeo Kato, Koichiro Sato, Yoshiyuki MatsuokaRead Journal Click Here
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Page No. 9 to 17
Computer Assisted System for Manufacturability Evaluation of Prismatic Component during Design Phase
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 8 The current work focus on the issues related to the consideration and application of manufacturing knowledge and manufacturing data during product design through integrated product and process design. The work in this direction is expected to enhance productivity and quality and reduce total cost and the time to market. The paper presents a long term research work that involves developme...
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Authors Devusudhakar S.P, S.S.Hebbal, K Hemachandra Reddy3Read Journal Click Here
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Page No. 25 to 32
Performance Evaluation of Cryogenic Treated HSS Drill
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 7 Tool wear is a worn portion over the flank and face of the tool. Tool wear is significant for determining tool life and hence it influences the machining economics. The wear measurements are carried by using a tool makers’ microscope in the present investigations. All the investigations are carried in dry machining. Life enhancement by using cryogenic treatment on HSS dr...
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Authors P.V. Gopal Krishna, K. Kishore,T. Srihari, S. VenkataiahRead Journal Click Here
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Page No. 23 to 27
Optimization of Productivity by Work Force Management through Ergonomics and Standardization of Process Activities using M.O.S.T Analysis-A Case Study
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 6 This paper highlights a methodology developed for standardization in the process activities by using Maynard’s Operation Sequence Technique and minimization of fatigue among the workers in manufacturing line by using Ergonomics. Productivity is the primary goal which is to be achieved for any profitable Manufacturing System. Optimization of productivity could be achieved...
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Authors Mehvish Jamil, Manisha Gupta, Abhishek Saxena, Mr Vivek AgnihotriRead Journal Click Here
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Page No. 45 to 56
A Comparative Analysis of the Combustion Behavior of Adulterated Kerosene Fuel Samples in a Pressurized Cooking Stove
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 6 An experimental study was conducted to establish the influence of cylinder pressure on the combustion behavior of a pressurized kerosene cook stove. The test was carried out under ambient room conditions, by pressurizing and ignitingthe cook stove containing kerosene fuel at a maximum pressure of 1 bar. The combustion flame temperature, flameheight and structure and colour were arefully ...
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Authors Ejilah, I.R., Olorunnishola, A.A.G., Enyejo, L.ARead Journal Click Here
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Page No. 35 to 43
Design and Optimization Radial Gas Turbine Blade
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 7 The combustion chamber of an automobile gasturbine engine can be designed to produce a gas temperature distribution at the inlet of the turbine increasing from blade root to blade tip. It is shown in the paper, by means of comparative calculations, that by using such distributions of temperatures blade life can be substantially increased, or else, un expensive materials can be used. Such...
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Authors Rahul Mishra, Yogesh Kushwaha, Praveen SinghRead Journal Click Here
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Page No. 19 to 21
Deflections of Functionally Gradient Material Plate under Mechanical Thermal and Thermomechanical Loading
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 7 Functionally gradient materials are one of the most widely used materials. The objective of this research work is to perform a thermo-mechanical analysis of functionally gradient material square laminated plate made of Aluminum / Zirconia and compare with pure metal and ceramic. The plates are assumed to have isotropic, two-constituent material distribution through the thickness, and the...
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Authors Manoj Sharma, Manish Bhandari, Dr. Kamlesh PurohitRead Journal Click Here
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Page No. 15 to 18
Correlation and Distribution Analyses of Estimated Fractal Dimensions and Hurst’s Exponent from Waveforms of Excited Nonlinear Pendulum
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 7 This study utilised correlation and distribution analyses to investigate the acceptability of application of two fractal dimension estimators to characterise the waveforms originating from excited nonlinear pendulum. Parameters selection sensitive simulation of the excited nonlinear pendulum waveforms was performed with the constant time step fourth order Runge-Kutta algorithm with codes...
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Authors Salau T. A.O.,Ajide O.O.Read Journal Click Here
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Page No. 7 to 12
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Condition Monitoring of Wind Turbines: A Review
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 6 This paper presents condition monitoring in wind turbines, and related technologies currently applied in practice and under development for aerospace applications, are reviewed. Condition monitoring system estimate the current condition of a machine from sensor measurements, whereas prediction systems give a probabilistic forecast of the future condition of the machine under the projecte...
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Authors Sachin Sharma, Dalgobind MahtoRead Journal Click Here
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Page No. 17 to 33
Synthesis and Characterisation of Al-Si Alloy
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 6 Within the last few years there has been a rapid increase in the utilization of aluminium-silicon alloys, particularly in the automobile industries, due to their high strength to weight ratio, high wear resistance, low density and low coefficient of thermal expansion. The advancements in the field of application make the study of their wear and tensile behaviour of utmost importance. In ...
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Authors Prashantha Kumar H.G, Asst. Prof. Mohan Kumar.S, Prof. Keerthiprasad K.SRead Journal Click Here
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Page No. 9 to 16
Effect of Fiber Angle Orientation on Stress,Deformation andBuckling Torque of the Composite Drive Shaft
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 6 The objective of this paper is to analyze a composite drive shaft for power transmission applications. Composite materials have many applications ranging from automotive to most of the industrial application and numerous advantages due to its high specific strength (strength / density) and high specific modulus (modulus / density), lighter weight and longer life. Analysis of composite dr...
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Authors Miss. Priya Dongare, Prof. Dr. Suhas DeshmukhRead Journal Click Here
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Page No. 1 to 7
Finite Volume Study of Laminar Boundary Layer Properties for Flow over a Flat Plate at Zero Angle of Incidence
Published In: GJRE Part: A: Mechanical & Mechanics Volume: 13 Issue: 5 Boundary layer theory is considered to be the cornerstone of our knowledge about the fluid flow over a surface which not only describes some intriguing physical phenomena of fluid dynamics that were rather obscure before the year 1904 when Prandtl proposed the theory, but also pivotal in practical fields of engineering. The boundary layer which is known as the distance from the surface t...
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Authors Toukir Islam, Md. Minal Nahin and Md. Abu AbrarRead Journal Click Here
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Page No. 41 to 47