Search
794 articles for “Mechanical Engineering”
-
A Survey on Various Layers of Wireless Sensor Networks
Abstract: A wireless sensor network (WSN) consists of one or more sinks and large number of sensor nodes scattered in an area. WSNs have a tremendous potential to improve the efficiency of many systems, for instance, in building automation, Military applications, environment monitoring and process control. Recent advances in wireless communications and electronics have enabled the development of low-cost, low-power, self-organizational, multifunctional wireless sensor networks. WSNs have some problems to be …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 2, Issue 2, 2015 · pp. 1–9 Read article
-
LPG Conservation in Biscuit Industry-A Technical Modification of Oven
Abstract: Normal 0 false false false EN-US X-NONE X-NONE The paper is based on a technical modification of oven accompanied in a medium scale biscuit industry. A meaningfully large amount of heat is lost from various outlets of the indirect fired oven used for baking biscuits. A cost effective waste heat recovery scheme is suggested to conserve precious LPG. Since the fuel used is LPG and the saving potential is very …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 1–5 Read article
-
Application of Fuzzy Logic Method for Optimisation of Spot Welding Parameters of Stainless Steel (AISI 304)
Abstract: Resistance spot welding process is used for joining stainless steel (AISI 304) sheets. An experiment was carried out to investigate the influence of welding parameters like current, weld time and electrode force on the Tensile-Shear (T-S) strength of the weld joint. Experiments based on Taguchi method are conducted in which three factors, three levels were used. Fuzzy logic based approach is used to predict output i.e. tensile shear strength.Keywords: Optimisation, …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 51–56 Read article
-
A Review on Machining of EN Series Steel using Different Tools
Abstract: An elaborate study of review papers is conducted for the behavioral study of EN series steel, while it is machined with optimum process parameters either conventional or nonconventional machining processes. It is to benefit the Indian industry for manufacturing parts with better quality and higher productivity. It is revealed from the literature that majority of medium industry use nonconventional machines for generating intricate profiles. Present scenario of industries look forward …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 31–35 Read article
-
A Review on Effect of EDM Parametrs on Die Sinking EDM
Abstract: Electric discharge machining (EDM) is a nonconventional method of machining conductive and hard to machine materials and obtaining intricate shapes. It is a controlled method of melting and vaporizing the work piece by series of electric discharges between the tool and the work piece. In EDM there are a number of process parameters which must be selected sophisticatedly for obtaining reliable products thus optimization of EDM process parameters is important. …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 26–30 Read article
-
Design Optimization of A Riveted Joint Used in Back Plate of A Pendulum Absorber Assembly
Abstract: Riveted joints are widely used for fastening sheet metal components. Cylindrical rivets are generally preferred but due to space constraints in some cases, other geometries are being explored. In this work, a practical case of a rectangular riveted assembly for back plate of pendulum absorber assembly commonly used in modern vehicles for damping secondary vibrations is considered and an iterative simulation study for design optimization has been conducted using finite …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 36–50 Read article
-
Use of Fuzzy Logic Method for the Optimisation of the Wear Parameters of Aluminum Alloy
Abstract: In this paper, use of fuzzy logic in the Taghuchi method for the optimisation of the wear parameters of aluminum alloy is explained. An experiment was conducted on three alloys viz. Al-25Zn-2.5Cu-5SiC, Al-25Zn-2.5Cu-10SiC, Al-25Zn-2.5Cu-15SiC. Experiments were carried out on standard pin-on-disc machine, at ambient temperature and under dry operating condition. The three process parameters like sliding velocity, load and sliding distance were optimized. In the Taguchi method, L27 orthogonal array …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 20–25 Read article
-
Employ of Design of Experiments for Optimization of Instinctive Variables in Turning Operation: A Review
Abstract: In recent years, due to tremendous progress in manufacturing industries, great changes have especially been ascertained in machining of metals. Every manufacturing industry intent to produce a massive number of commodities within comparatively lesser time. This persuades optimization problem which endeavor to access the best parametric combination for the manufacturing process. This paper presents a critique of optimization of instinctive variables in turning operation by employing various techniques of Design …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 7–16 Read article
-
Experimental Investigation of Shaft Whirl Carrying 3 Rotors
Abstract: This paper deals with the study of whirling of shaft with three rotors. Natural frequency of the system is found by impact hammer test followed by identifying the speed at which whirling occurs in the system. Experimental results were verified by using Dunkerley's method for natural frequency. Rayleigh-Ritz equation is used to find out the critical speed of the shaft and hence to validate with experimental result.Keywords: Whirling, Natural frequency, …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 17–21 Read article
-
Forced Convection Heat Transfer Through Porous Media: A Review
Abstract: This paper reviews studies on forced convection heat transfer through Porous media. In the last four decades we have seen enormous amount of research work related to the study of heat transfer in porous media. Convective flows in porous media are of vital importance to these processes, thereby generating the need for their full understanding. This review paper includes the effects of pore to throat size ratio, Non-Darcy and dispersion …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 22–27 Read article
-
Design and Fabrication of Automated Rice Huller
Abstract: This paper describes the detailed procedure for design and fabrication of rice huller machine. A rice huller or rice husker is an agricultural machine used to automate the process of removing the chaff (the outer husks) of grains of rice. Throughout history, there have been numerous techniques to hull rice. Traditionally, it would be pounded using some form of mortar and pestle. An early simple machine to do this is …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 34–38 Read article
-
A Review on Deviation Function Method
Abstract: This review paper covers the method to develop a lobe rotor pair profile used in many mechanical mechanisms. Lobe rotor pairs are conjugate generated pairs. It means that for each lobe there exists a corresponding another lobe such that for each point on first lobe there is a point on another lobe having same velocity. Deviation function method is widely used to develop a lobe profile. Deviation function method is …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 28–33 Read article
-
Effect of Polarity on Metal Transfer in Submerged Arc Welding
Abstract: Essential requirement of a welding process is to obtain a welded joint with desired weld bead parameters and mechanical properties. The major challenge in a welding process is to achieve control over the weld metal properties which are significantly affected by polarity as it affects the extent of heat generated at electrode wire and work in the welding process. This paper evaluates the effect of polarity on metal transfer through …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 42–48 Read article
-
Effect of TMT Bar Lugging on Steel Reinforcement Failure Mode under Monotonic Loading
Abstract: Thermo-mechanically treated (TMT) ribbed bars modify the overall progress of failure in reinforced concrete. The ribs maintain anchorage after friction on the rest of the bar is eliminated during deformation, taking up the ultimate compressive load. This however, is inadvertently jeopardized by the stress concentration effect of the rib geometry. This paper analyses the extent to which some of the geometric forms of bar lugging affect the prevalence of ductile …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 8–14 Read article
-
Review on Evaluation Techniques Such as DOE and ANN Used for Evaluate Heat Flow Parameters for Resistance Spot Welding
Abstract: Resistance spot welding is a widely used process of metal joining in industries. In resistance spot welding process, the time of welding is very little so, during welding process maintenance of high accuracy and precision is very difficult. Resistance spot welding has a wide application in automobile industry, household and domestic appliances manufacturing industry and fabrication industry like air craft manufacturing industry. For better output quality of product, save time …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 26–32 Read article
-
Design, Description and Analysis of Innovative Leveraged Propelled Disabled Utility Chair
Abstract: This paper aims at introducing an innovative “Disabled Utility Chair” (DUC). Traditional wheelchair/tricycle for disabled prove not to be that much comfortable and efficient or dynamically efficient, which must be of prime concern in this regard. Team surveyed various rehabilitation center and asked basic problem by the user basic features such as turning radius, space for goods, comfort conditions for long sitting remain absent. In India, varying torque, speed and …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 15–25 Read article
-
Numerical Formulation of Solidification of Aluminum Casting in 2-D Green Sand Mould
Abstract: Unsteady numerical simulation of steady state and unsteady state conduction heat transfer has been done for solidification of pure Aluminium in green sand mould. As during the solidification heat transfer by conduction will dominate over convection and radiation. Heat conduction equation in two-dimensional Cartesian co-ordinate governs the problem. Convective boundary condition has been considered at the interface of the casting part and mould cavity. Heat conduction equation in unsteady state …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 38–41 Read article
-
Numerical Study of Lid Driven Cavity at Different Reynolds Number
Abstract: The present work focuses on flow inside a lid-driven cavity; main aim is to obtain the velocity field in steady state condition using Navier-Stoke equations. Navier-stoke equation has been converted into algebraic form using finite difference method (FDM). Pertinent parameter of the present study is Reynolds number. Stream-vorticity approach has been adopted to solve the physical problem. Different Reynold numbers and grid sizes have been studied. Peaks of the velocity …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 42–46 Read article
-
Forced Convection Heat Transfer Over a Plate Through Jets: A Review
Abstract: In the past two decades, many technical experimental, numerical and mathematical models are being presented by many researchers in India and abroad. A number of related papers are reviewed herein as a review of forced convection heat transfer over flat plate placed under micro multi-nozzle, jets zone and parameters affect the convective heat transfer. Some of them present important correlations for Nusselt number are collected here.Cite this Article Todkar RN, …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 47–50 Read article
-
Modeling of Rubber Bush Mould by using DME Standard
Abstract: With increasingly short life span of consumer electronic products such as mobile phones, computers, and bags; they are becoming more fashionable and requires continuous improvement. Injection molding remains the most popular method for producing the associated plastic parts in minimum time. In injection process, a molten polymer is injected into a cavity inside a mold with the help of injection machine which is cooled and the part gets ejected. There …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 1–7 Read article