Volume 4, Issue 2 (2017)
Published
Table of contents
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Critical Review on Design, Fabrication and Analysis of Marine Propeller
Abstract: Ships and automated underwater vehicles like submarine and torpedoes use propeller for propulsion. The significance of propellers is to develop thrust to propel the vehicle at its operational speed. The propeller geometry and design is complicated involving many controlling parameters. Propeller with canonical isotropic materials creates more vibration and noise during their operation which is undesirable in stealth point of view. The present work is aimed at the static and …
Published in Trends in Machine design · Vol. 4, Issue 2, 2017 · pp. 1–14 Read article
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Experimental Investigation of Combine Effect of Welding Speed, Tool Pin Profiles and Preheat Temperature on Mechanical Properties of Friction Stir Welded AA6061-T6 Joint based on Response Surface Methodology
Abstract: Two similar of dissimilar material can be joined by Friction stir welding (FSW) in solid state. Friction stir welded joint can be made by using non-consumable tool with rotary and transverse motion with intimate contact to material to be welded. These experimental investigations was carried out by taking different FSW parameters tool rotation speed, tool travel speed, tool pin profile and preheat temperature to find out its effect on mechanical …
Published in Trends in Machine design · Vol. 4, Issue 2, 2017 · pp. 15–24 Read article
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Optimization of Green Sand Casting Process Using Genetic Algorithm
Abstract: This research includes minimization of some of the sand casting defects like Blowholes, Cracks, Porosity using genetic algorithm. Data collection is carried out from medium scale sand casting industry. Some of critical parameters like moisture, permeability, LOI, compressive strength, volatile content, vent holes, pouring time, pouring temperature and mould hardness are identified in the process. L27 orthogonal array is selected. Genetic algorithm is used to optimized the process parameters. Process …
Published in Trends in Machine design · Vol. 4, Issue 2, 2017 · pp. 25–29 Read article
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Parametric Optimization of TIG Welding on AISI-304 Stainless Steel Plate by Taguchi based RSM Method
Abstract: The effect of process parameters of TIG welding like the present work focuses the findings of an experimental investigation into the effects of Welding current, Gas flow rate, Electrode diameter, and Root gap on the bead geometry of AISI-304. It is found that the process parameters considered affected the mechanical properties with great extent. Taguchi methodology is used to analyze the effect of each welding process parameters and optimal process …
Published in Trends in Machine design · Vol. 4, Issue 2, 2017 · pp. 30–40 Read article
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Study on Influence of Different Forms of Damping and Operating Temperature on Whirling Speeds of Rotors
Abstract: Accurate prediction of rotor whirl speeds is fundamentally important in the design of rotating machinery. There has been an impressive progress in the study of rotor dynamics in the last decade. The use of finite elements for the simulation of rotor system makes it possible to handle complex problems. Rotating shaft tends to bow out at certain speeds and whirl in a complicated manner. This phenomenon results from various causes …
Published in Trends in Machine design · Vol. 4, Issue 2, 2017 · pp. 41–55 Read article