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Research Paper

Design improvements in heat exchanger using partial differential equations

In today’s world, where the loss of energy due to engineering applications is increasing at an alarming rate, therefore efficiency is much needed in order to save the energy. The aim of the paper is to propose a new design of heat exchanger which would result in a substantial increase in the efficiency of the heat exchanger. The basic principle used to increase the efficiency is to change the shape of the tube holding fluid. In this paper, instead of using conventional cylindrical tubes for heating fluid, a cone-shaped tube with cold fluid entering the pipe through the base end and hot fluid coming out of the vertex end is used. This is achieved by tweaking the surface area to volume (SAV) ratio of the fluid carrying tubes. Since the Gaussian curvature through the axis of the tubes is zero, it’s a Euclidean surface. Thus there will be no change in properties if the conical tube is bent in the form of a helix. For a given volume, the object with minimum SAV ratio is a sphere as a consequence of isoperimetric inequality in 3 dimensions. Efficiency can be further increased by bending the shape of the tubes in form of a spherical helix. This would create a central heat source and constant temperature at the contact surface. Therefore there is a gradual decrease in volume as we go from base to the vertex of the conical tube would mean that pressure of hot fluid would increase as temperature and degree of freedom is constant.

Published by: Karthik S

Author: Karthik S

Paper ID: V4I5-1331

Paper Status: published

Published: October 6, 2018

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Case Study

Collection of data through cookies and smart devices – A case study

Data is everywhere. Ubiquitously, companies and governments are collecting data. One simple visit to the world wide web leaves a wide digital footprint. One Google search about the best mutual funds in the market and you will be bombarded with mutual fund advisories anywhere you visit. The lines between the online world and the offline world are blurring, as the number of metadata increases. This paper looks at certain ways as to how our civilization is becoming smarter, with every device around us right from the mobile phone to electric bulb, becoming smarter with each passing day. This paper looks at the origins of the collection of metadata, as well as their use in customizing the world as per our needs and wants.

Published by: Garima Kaushik, Rishabh Prakash

Author: Garima Kaushik

Paper ID: V4I5-1332

Paper Status: published

Published: October 5, 2018

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Research Paper

Study on strength and initial surface absorption of concrete using recycled steel fiber

Experimental investigation on Re-using Steel Wire from Tyres for Fibre Reinforced concrete was carried out by researchers. Steel Fibres are most popular metallic fibers used for the production of Steel Fibre Reinforced Concrete particularly from the point of view of strength and ductility in the present experimental investigation, attempts are made to study on the various strength properties like compressive strength, split tensile strength, an also durability properties ISAT test was held on long-term durability properties of tire steel fiber. Experiments were conducted for both Ordinary Concrete and steel Fibre Concrete with different percentages It was observed that as the addition of waste tyre steel fibers to concrete mix increases, the workability of the concrete mix was found to decrease as compared to control mix. At an optimum dosage of WTSF, the increase in compressive strength of glass fibre concrete mixes compared with control mix. The percentage increase of split tensile strength of WTSF concrete mixes compared with control mix by weight of the binder. The addition of waste tyre steel fibers into the concrete mixture marginally improves the compressive strength at 28 days. It is observed from the experimental results and its analysis, that the compressive strength of concrete, splitting tensile strength of concrete increases with the addition of 1% Percentage of waste tyre steel fibers.

Published by: Deepak Gour, Sherin Felix

Author: Deepak Gour

Paper ID: V4I5-1327

Paper Status: published

Published: October 5, 2018

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Research Paper

An experiment on capillary suction water absorption of concrete with metakaolin

Sustainable resources management and development have been at the forefront of an important issue concerning the construction industry for the past several years a study has been carried out to look into the performance of Metakaolin as cement alternative material in concrete. Nowadays availability of natural coarse aggregate is a big constraint, so alternative material called Recycled Coarse Aggregate (RCA) is using in the concrete mix; it has mostly similar properties as Natural Coarse Aggregate (NCA. In this present study, the experimental using RCA is 20%, 40%, 60%, 80%, and 100%, replacement with natural coarse aggregate and constant weight replacement of metakaolin with the weight of the binder. The Finally obtained results to increasing compressive strength as well as tensile strength mix. 20%RCA+10%MK than the percentage of recycled aggregate increasing with decreasing both compressive and tensile strength. The Further study use in RCA in concrete with MK to replacement in a certain limit. find the surface absorption test in minimum for mix M1and M2 with an increasing percentage of RCA with MK than increasing capillary section values

Published by: Shivank Asati, Sherin Felix

Author: Shivank Asati

Paper ID: V4I5-1316

Paper Status: published

Published: October 5, 2018

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Research Paper

Performance analysis of cotton processing small scale industry by using stock simulation method

Today’s Industry is regarded as a secondary sector of Indian economy. The economic development of a nation depends on the stage of industrial development. The industry is the greatest sector that can be provided employment to the mass people which help to increase per capita & reduces the poverty. Now a day’s cotton textile industry in India has been facing many odds & the survival of the industry is in danger. Due to the continued uneconomic working, the industry financial viability has been deplorably shattered. Many mills in the industry have already reached a stage of financial post ration with the complete exhaustion of reserves surplus & their finance, raw material idle capacity, technology, marketing, infrastructure, underutilization of capacity, project planning, skilled manpower, managerial etc. This study has to cover XYZ small scale industry. Its points out the weakness and strengths of production & marketing system thus enabling the entrepreneurs & policy makers to take corrective action. I have worked on just in time for performance improvement of a semi-skilled worker, reduces wastage and running cost. I have worked also on the simulation of production. The measures to reduce the identified wastes have been pointed out. It has been proposed to better integrate the key actors into the JIT & simulation. Adopting the cellular layout in the mechanical workshop has been found beneficial as well as the orientation of production on customer orders rather than on forecasting.

Published by: Basant Tomar, Vipul Upadhayay, Yogesh Ladhe

Author: Basant Tomar

Paper ID: V4I5-1314

Paper Status: published

Published: October 5, 2018

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Research Paper

Password authentication using symbols

Password authentication is one of the most important components for security and confidentiality of data that is stored on various workstations and servers. There are various kinds of ways to authenticate passwords, for example, textual passwords, graphical passwords, session passwords etc. Biometric authentication is also one of the trending ways these days but has several physiological issues. Though textual password is very common among people, it is still susceptible to various attacks like brute force attacks, dictionary attack, glossary attack, shoulder surfing, keylogger attack or eavesdropping. Graphical passwords were the new solution but had drawbacks like taking more time to authenticate and slow processing issues. Thus we introduce a new session password system, which is a one-time use password. This system uses only symbols for authentication. The generation of the password each time depends on an algorithm.

Published by: Priyanka Nath, Sahaya Sakila, Ananya Tamuli Saikia, P. Geeta

Author: Priyanka Nath

Paper ID: V4I5-1283

Paper Status: published

Published: October 5, 2018

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