The effect of sub surface defects in surface roughness monitoring through ultrasonic flaw detector.
Objective
 To study the effect of sub surface defects in surface roughness monitoring through ultrasonic flaw detector.
 To study the sizing of defects.
Ultrasound Concepts
• All sound waves, whether audible or ultrasonic, are mechanical vibrations involving movement of the medium in which they are traveling. A sound wave may be transmitted through any material which behaves in an elastic manner.
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Prepared by:
Amit B. Mahindrakar

Introduction

This study is motivated by a real problem at the Alang ship-dismantling facility near Bhavnagar in Gujarat. The focus of this study is the paint chip waste which is generated in ship breaking activity. Alang, located 56 Km away from Bhavnagar city in Gujarat, came up as ship breaking site during 1982-83. Hundreds of old ships, after their useful life, are broken at the Alang ship breaking yards without any precaution to protect the environment. Ship breaking and its harmful consequ ....etc

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hai i am harshiti.........i want a full seminar report on flexible ship electric power system design and its ppt also........ ....etc

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REDUCED EMISSIONS OF OXIDES OF NITROGEN IN SHIP ENGINES

INTRODUCTION

Oxides of nitrogen emission from ship engines are significant on a global level. These emissions participate in the formation of photochemical smog and acid rain. Here we look at to some ways by which these emissions can be reduced.

Mechanism of NOx Formation in Diesel Engines.

At the temperature of the Burning of fuel spray (about 2000 K to 2500 K).
Nitrogen + Oxygen Oxides of Nitrogen
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NTRODUCTION:

The predominant type of prime movers for DP propulsion plant is Electric Drive.


The most commonly used motor drives are:


DC converters, or SCR for DC motors.

Cyclo converters for AC motors ,normally for Synchronous motors .

Current Source Inverters (CSI) for Ac motors (Synchronous Motors )

Voltage Source Inverters ,(VSI)for AC motors ,i.e. asynchronous, ....etc

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tag: ship building, repair, feasibility study, project proposal, joint venture, dock yard, ship repairi ....etc

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This paper discusses new techniques which aim to overcome the shortcomings of the protective system. These techniques are composed of advanced monitoring and control, automated failure location, automated intelligent system reconfiguration and restoration, and self-optimizing under partial failure.


The first electrical power system was installed on the USS Trenton in 1883 (Ykema 1988). The system consisted of a single dynamo supplying current to 247 lamps at a voltage of 10 volts d.c. Until the 1914 to 1917 period, the early electrical pow ....etc

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ABSTRACT

The Magneto Hydro Dynamic (MHD) propulsion thruster is designed to use magneto hydrodynamic force generated by sending electric current through a magnetic field created in sea water by superconducting magnets. The principle of MHD propulsion is to apply the Fleming's left hand rule of electromagnetics to sea water directly .In this propulsion system magnetic field is created in sea water by magnets fixed on a hul1. When electric current is sent to sea water at right angles to the magnetic field, and electromagnetic force (Lorentz f ....etc

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INTRODUCTION

The growth of science and technology at an unprecedented pace in the past century was facilitated by the surplus fuel reserves that sustained the developmental requirements in a post industrial revolution era. The oil shock of 1973 brought into existence a sudden setback to this economic growth rate in industrialised nations. The vulnerability of the present developments to be negated by a fuel crisis has shifted the focus of research from better designs during the pa ....etc

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Guidance Synthesis for Evasive Maneuver of
Anti-Ship Missiles
Against Close-In Weapon Systems
Seminar Report

Presented By
Ms Sarika Raju
st
1 Semester, M.Tech, Roll No:10GNC10

Department of Electrical Engineering
College of Engineering, Trivandrum
Thiruvananthapuram-16
2010
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