Oxidation, Ion-Implantation and RTP/Furnace Processing

MCEE201/601 – Report#1 Oxidation, Ion-Implantation and RTP/Furnace Processing   Abstract The Lab course’s goal is to perform how to design, fabricate and characterize a simple P-type-metal oxide-semiconductor (PMOS) device. In this lab report, details about the oxidation, ion implantation and rapid thermal processing (RTP), which are some of main processes of PMOS fabrication procedure, is…

Read More

Fueling tug system

Orbital Mechanics The Cis Lunar tug system or the Dark Panther spacecraft is a UAV type vehicle. Before each mission the Dark Panther spacecraft will be docked via gateway in Cis lunar space. Once vehicle is ready to conduct an operation spacecraft will separate from the gateway into cis lunar orbit. The Dark Panther will…

Read More

Use of Gas Lasers in Metal Processing

USE OF GAS LASERS IN METAL                                                                                                        PROCESSING INTRODUCTION Gas lasers are lasers that can produce consistent beams of light with short wavelengths when an electric current is passed through a gas (or plasma) (Bloom, 1968).Plasma is an ionised gas with relatively no charge (SPI Lasers, 2018), it is the fourth state of matter. The first…

Read More

Buckling and Design Optimisation of Vertical Tubes Subjected to External Concrete Pressures

Buckling and design optimisation of vertical tubes subjected to external concrete pressures CONTENTS                                                                                                       . ABSTRACT…………………………………………………………………………….1 INTRODUCTION Buckling……………………………………………………………………….1 Euler………………………………………………………………………….2 Plane Cylinder……………………………………………………………..3 LITERATURE REVIEW…………………………………………………………….4 METHODOLOGY……………………………………………………………………4 REFERENCES………………………………………………………………………….5 Abstract Buckling is a phenomena that has been widely researched due to its nature and the devastating effects it can have. In civil engineering the main concerns are the safety of structures.…

Read More

Alleviation of Harmonics using Series Power Line Compensator

Alleviation of Harmonics using Series Power Line Compensator Abstract – This paper proposes series power line compensator which uses a new dual p q theory to effectively eliminate the harmonics in the three phase four wire power system. Further, conventional inverter is replaced with Z source inverter to achieve reduced harmonic levels. Eliminating harmonics reduces the…

Read More

Product Capture Stage in Biopharmaceutical Downstream Processing

1.Introduction: In this paper, the importance of a parts washer used to clean filtration equipment used in the product capture stage in biopharmaceutical downstream processing will be discussed. A parts washer is a clean-out-of-place system. The filtration equipment is disassembled and placed into this mechanical washer where they are cleaned, rinsed and dried. Parts washers…

Read More

Investigation of the Techno-economic Feasibility of Recovering Waste Heat of Diesel Generator Exhaust

INVESTIGATION OF THE TECHNO-ECONOMIC FEASIBILITY OF RECOVERING WASTE HEAT OF DIESEL GENERATOR EXHAUST FOR HEATING MINE INTAKE AIR ABSTRACT In cold climates, extremely harsh winters require heating of underground mine intake air. As a result, fresh intake air, as cold as -40°C, is commonly heated up to around +3 °C, leading to high energy costs…

Read More

Advanced Solid Mechanics: Creep and Fatigue

Advanced Solid Mechanics Table of Contents Creep……………………………………………………………1 1. Creep 1 1.1 Stress relaxation  2 1.2 Creep rupture strength 4 1.3 Creep life 5 1.4 Factors affecting creep 5 2. Creep Problem(MATLAB) 6 3. Creep Problem(MATLAB) 7 4. Creep Problem 8 Fatigue…………………………………………………………..9 5. Fatigue 9 5.1 Three major Fatigue life methods 9 5.2 Endurance limit modifying factor  10 5.3 Stress concentration and notch sensitivity  12…

Read More

Testing Heat Sink Materials

Heat Sinks? Abstract……………………………………………………………. Introduction…………………………………………………………. Research………………………………………………………….. Biblical Application………………………………………………….. Experimental Section…………………………………………………… Materials and Methods Results Discussion Conclusion Bibliography Abstract LEDs (Light Emitting Diode) are used in almost every machine whether it be a tractor, assembly line or a elevator. They are in these machines because they are energy efficient using less than ninety percent less energy than…

Read More

Real Time Implementation of Embedded Devices as a Security System in Intelligent Vehicles

Real time implementation of Embedded devices as a security system in Intelligent vehicles connected via Vanets.   Article Info ABSTRACT Article history: Received Jun 9, 2016 Revised Nov 20, 2016 Accepted Dec 11, 2016 The fast boom of technology has made our lives easier. The number of computer based functions embedded in cars have multiplied…

Read More

Ship Ballast Water Management

Coursework Ship Ballast Water Management Table of Contents Table of Contents………………………………………………………1 1. Introduction………………………………………………………..1 1.1 Reasons of introducing ballast water management on board………………………1 1.2 BWM standard requirements…………………………………………..1 2. IMO approved BWM systems……………………………………………..2 2.1 Ecochlor BWTS……………………………………………………2 2.1.1 Working Principle……………………………………………….2 2.1.2 Process Description………………………………………………2 2.1.3 System specifications……………………………………………..2 2.1.4 System advantages and disadvantages………………………………….2 2.2 Alfa Laval PureBallast………………………………………………..3 2.2.1 Working Principle……………………………………………….3…

Read More

Step-Up DC-DC Converter with High Voltage Gain for PV Power Application

Design of a New Step-Up DC-DC Converter with High Voltage Gain for PV Power Application Abstract— This paper presents a single switch, high step-up, non-isolated dc-dc converter suitable for PV power application. The proposed converter is composed of a coupled inductor, a passive clamp circuit, a voltage multiplier cell and voltage lift circuit. The passive…

Read More

Techniques to Generate High Voltages

Table of Contents List of figures 1. Introduction 1 Example of High Voltage Applications 2 Different methods of generating High voltage 2.1 Generating High Impulse Voltage 2.2 Impulse waveform 2.3 Generating High DC Voltage 2.4 Voltage doubler and Cockcroft-Walton 2.5 DC waveform 2.6 Ripple voltage 2.7 Cockcroft-Walton 3 High Voltage Levels 4 Generating High AC Voltage 4.1 Cascading Transformers Advantages and disadvantages of the cascaded transformer 5 Health and…

Read More

Transmission Finger Infrared PPG (Photo PlethysmoGraphy) Probe’

Lab Report on the Development of a ‘Transmission Finger Infrared PPG (Photo PlethysmoGraphy) Probe’ Abstract This report investigates the photoplethysmography technique and details the circuitry used to obtain the photoplethysmographic signals (PPG). PPG techniques are used to monitor the heart rate and the level of oxygen in the blood stream of a human body (oxygen…

Read More

Long Transmission Lines Analysis

Long Transmission Lines Analysis Progress Report Contents 1.1 Abstract 1.2 Acknowledgements 1.3 Introduction 1.4 Research description 1.4.1 Equations derivation 1.4.2 Interpretation of the equations 1.4.2 Hyperbolic form of equations 1.5 Preliminary design 1.5.1 System block diagram 1.5.2 Design process 1.5.3 Circuit diagram 1.5.4 System description 1.6 Hardware / software description 1.6.1 Hardware 1.6.2 Software Conclusion…

Read More

Failure Analysis of Adhesively Bonded Joints

Failure Analysis of Adhesively Bonded Joints Table of Contents List of Figures 1 Introduction 2 Literature review 2.1 Analytical approach for adhesively bonded joints 2.1.1 Elastic analysis 2.1.1.1 Volkersen model 2.1.1.2 Goland and Reissner model 2.1.2 Non-linear adhesive analysis 2.1.2.1 Hart-Smith model 2.1.2.2 Bigwood and Crocombe model 2.1.2.3 Adams and Mallick 2.1.3 Non-linear adhesive and adherend analysis 2.1.3.1 Wang et al. model 2.1.3.2 Adams et al. model 2.2 Failure…

Read More