Acoustic-The Way of Utilizing the Resource for Research and Technology Implementation to Domestic Equipments, An Introductory Overview

Acoustics is the study of small pressure waves or sound waves in air which can be detected by the human beings. The scope of acoustics is not limited and extended to lower and higher frequencies: ultrasound and infrasound. Acoustics now includes Structural vibrations and perception/travelling of sound is an area of acoustical research, for research purposes acoustics are considered, the propagation fluids like air and water. In such a case acoustics is a part of fluid dynamics. The outmost problem of fluid dynamics is that, the equations of motions are non-linear and this implies that an exact general solution of these equations is not available and need to be developed. 

Acoustics is a first order approximation in which non-linear effects are neglected. In classical acoustics the generation of sound is considered to be a boundary condition problem. The sound generated by a loudspeaker or any unsteady movement of a solid boundary are examples of the sound generation mechanism in classical acoustics. 

Turbulence is a chaotic motion dominated by non-linear convective forces but an accurate deterministic description of turbulent flows is not available, The famous Lighthill theory of sound generation by turbulence is used as an integral equation which is more suitable to produce approximations than that of a differential equation Next to Lighthill's approach which leads to order of magnitude estimate of sound production by complex flows. 

In this paper we produced the application of Acoustics, experiments, research done to utilize the benefits of the acoustics are reviewed much more in a better way to conceptually understand the concept and to deduce the equations of motion to build practical acoustics system and also concentration gone through the Acoustic refrigeration system. 

By Prashanth H. K. | Keerthy Prasad B. | M. Gururaj Naik | Manjunatha G. D. | Murali G. E."Acoustic-The Way of Utilizing the Resource for Research and Technology Implementation to Domestic Equipments, An Introductory Overview"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd14599.pdf 

Direct URL: http://www.ijtsrd.com/engineering/mechanical-engineering/14599/acoustic-the-way-of-utilizing-the-resource-for-research-and-technology-implementation-to-domestic-equipments-an-introductory-overview/prashanth-h-k

best journal, manuscript submission, call for paper engineering

Methods of Improving Aerodynamics of a Vehicle- A Review

In this work, a detailed study has been done to investigate flow of air over the vehicle and various methods have been discussed to check the effectiveness in particular cases, methods like vortex generators, guided vanes, tail plates, rear spoilers, angled diffusers, rear under body slicing ,splitter plates and exhaust gas redirection have been reviewed. The main aim of the review study was to know the factors affecting Coefficient of drag and lift. Of all mentioned techniques and methods, vortex generator and tail plates were found more effective in reducing the drag coefficient as well as the lift coefficient. The study proposed that CFD methods application is proving to be an effective method of improving aerodynamics of a vehicle. 

By Er. Ajay Rana"Methods of Improving Aerodynamics of a Vehicle- A Review"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd14588.pdf 

Direct URL: http://www.ijtsrd.com/engineering/mechanical-engineering/14588/methods-of-improving-aerodynamics-of-a-vehicle--a-review/er-ajay-rana

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Study of Machining on High Carbon High Chromium Die Steel Using Wire Cut EDM under Various Conditions

Tool steel are high quality steels made to close compositional and physical tolerances, they are used to make tools for cuttings, forming or shaping material into a part or component adapted to define use. There are various types tool steels are available in this we decided to select D2 material (i.e.) high carbon High chromium die steel. Using wire cut EDM machine we did machining on D2 steel under various condition - ordinary conditions, After Hardening Conditions and after Hardening and tempering Conditions The process parameters viz. Wire diameter, Wire feed rate and Current will be kept constant the wire consumption and machining time measured. 

By G. Nallaiya | K. S. Sekar"Study of Machining on High Carbon High Chromium Die Steel Using Wire Cut EDM under Various Conditions"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd14581.pdf 

Direct URL: http://www.ijtsrd.com/engineering/mechanical-engineering/14581/study-of-machining-on-high-carbon-high-chromium-die-steel-using-wire-cut-edm-under-various-conditions/g-nallaiya

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Design and Fabrication of Solar Grass Cutter to Increase Cutting Space Using Scotch Yoke Mechanism

Solar energy is the light that comes from sun and is the earth's most abundant energy source. Everyday sun radiates enormous amounts of energy into space and with the development of technology such as the solar cell, we are able to collect this energy and convert it into usable electricity. The Indian farmers have been using large machineries in cultivation with high cost of processing. In order to save energy, control pollution, reduce fuel consumption, increase the cutting space, easy to operate this grass cutter have made. This Grass cutter most familiar in the low cost, compact in size, eco-friendly to the nature. It enables to provide more cutting space comparing with previous designs. 

By K Hema Mahesh Babu | J Suresh"Design and Fabrication of Solar Grass Cutter to Increase Cutting Space Using Scotch Yoke Mechanism"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd14206.pdf 

Direct URL: http://www.ijtsrd.com/engineering/mechanical-engineering/14206/design-and-fabrication-of-solar-grass-cutter-to-increase-cutting-space-using-scotch-yoke-mechanism/k-hema-mahesh-babu

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Review on Linear Array Antenna with Minimum Side Lobe Level Using Genetic Algorithm

Antenna array is formed by assembly of radiating elements in an electrical or geometrical configuration. In most cases the elements are identical. In this paper proposed a very simple and powerful method for the synthesis of linear array antenna and GA. This method reduced the desired level of side lobe level (SLL) as well as to steer the main beam at different-different angle. A new method for adaptive beam forming for a linear antenna arrays using genetic algorithm (GA) are also proposed. 

By Aditya Sharma | Er. Praveen Kumar Patidar"Review on Linear Array Antenna with Minimum Side Lobe Level Using Genetic Algorithm"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd14544.pdf 

Direct URL: http://www.ijtsrd.com/engineering/electronics-and-communication-engineering/14544/review-on-linear-array-antenna-with-minimum-side-lobe-level-using-genetic-algorithm/aditya-sharma

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A Review Paper on Study of Progressive Damage of Composite Structure Under Tri Axial Loading by Referencing Macro-Mechanical Based Failure Theories

Paper reviewed laminate failure occurred under tri axial loadings by using macromechanical based failure theories applied under static loading conditions. The proposed failure model by various authors is an extension of the strain energy failure theory for tri axial loading conditions. The paper summarizes laminate failure which includes initial failure, progressive damage, and final failure different laminate ply and material configurations. The paper also reviewed the structure failure due to stress concentration effects arrive due to edging effects. The aim of paper is to present failure of complex composite laminate by various means due to complex loading conditions much similar to actual operational loadings. 

By Mr. Rahul B Gunale"A Review Paper on Study of Progressive Damage of Composite Structure Under Tri Axial Loading by Referencing Macro-Mechanical Based Failure Theories"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd14549.pdf 

Direct URL: http://www.ijtsrd.com/engineering/mechanical-engineering/14549/a-review-paper-on-study-of-progressive-damage-of-composite-structure-under-tri-axial-loading-by-referencing-macro-mechanical-based-failure-theories/mr-rahul-b-gunale

multidisciplinary journal, submit paper online, indexed journal

A Research Paper on Porous Asphalt Pavement

The aim of this study is to recharge ground water to underplaying aquifers and reduce risk of flood condition. Porous asphalt pavement is an alternative technology that differs from traditional asphalt pavement designs, that the pavement permits fluid to pass freely through it. Porous asphalt pavement also reduces and control surface runoff of surrounding area. This technique also can be used as additional way of storm water management. 

The past few studies suggests that, porous asphalt pavement intended to be used for parking lots, storm water management, water quality treatment, peak flow reduction and noise control. The research has focused on improving quality and quantity of ground water. This study includes model making and checking performance of that constructed pavement model. 

Study investigates performance of aggregates and porous asphalt used in projects, such as properties of aggregates like impact value, crushing value, specific gravity, abrasion test. Tests performance on porous asphalt includes ductility test, stripping value test and penetration test. Study includes sample making of various proportion of asphalt and aggregates. 

Total 9 samples were made to check which sample gives best performance as per the requirement. Out of 9 samples, 6% asphalt with 10mm aggregate + grit sample gives required performance. 

By Vaibhav Patil | Pooja Patil | Jayashree Patil | Mrunal Patil | Kirtee Sawant | Mr. S. P. Patil"A Research Paper on Porous Asphalt Pavement"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd14516.pdf 

Direct URL: http://www.ijtsrd.com/engineering/civil-engineering/14516/a-research-paper-on-porous-asphalt-pavement/vaibhav-patil

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