Finite Element Analysis of a Rocker Arm

Finite Element Analysis of a Rocker Arm   Component Description   1.1.            Component Function The rocker arm is an oscillating,  two-arm lever that provides a means of actuating the valves in the combustion chamber of an internal combustion engine. It translates the radial motion of the profile of the cam lobe through a fulcrum into linear … Read More»

Is Methanol the Fuel of the Future?

Methanol as the fuel of the future- Yes or No? Abstract Methanol or methyl alcohol received a great amount of attention in the early 1990s as an alternative fuel to gasoline in the United States. It can be easily produced from several resources found abundant in nature like coal and natural gas. Though toxic in … Read More»

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»

A Light-Weight Inverted Hat Antenna

A Light-Weight Inverted Hat Antenna Composed of 12 Blade-Type-Radiators for VHF/UHF Frequency Bands Operation Abstract— A wideband monopole antenna composed of 12 blade-type planar radiators is proposed which introduce a light-weight Body of Revolution (BOR). The antenna is based on the Inverted Hat Antenna (IHA) structure which results in omnidirectional radiation pattern in azimuth plane. 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»

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»

Is There Value in Buying Higher Grade Fuel?

Is There Value in Buying Higher Grade Fuel? What is Gasoline? Gasoline is made up of molecules made up of hydrogen and carbon atoms arranged in chains. Gasoline molecules have anywhere from, 7 to 11 carbon atoms in each chain. When you burn gasoline under STP, you get carbon dioxide. Which is from the carbon … Read More»

Performance of Precast Bridge Girder Materials

Technical review   The  article published by Tiburzi, Drimala and Folliard in 2017, under the title “Evaluation of precast bridge girder cracking: The role of volume change”, focuses on mitigating from the theory of connecting cracking in precast bridges with ASR and/or DEF phenomena while examining the impact of internal volume change, pooling together results … Read More»

Design of a SET Based 4-bit ALU Using Proteus

Table of Contents List of Figures List of Tables Abstract 1.0 Introduction 2.0 Design Methodology 2.1Design of a 3-bit ALU using Proteus: A case study 2.2Basic components 2.2.1 Adder/Subtractor Block 2.2.2 Array Multiplier 2.2.3 Multiplexers 2.3 Design of a 4-bit ALU using Proteus 2.3.1 Operation table for a 4-bit ALU 2.3.2Adder/Subtractor block 2.3.3 4-Bit Comparator … 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»

Compression and Extension Rates of a Linear-piecewise Damper

Vibrations Lab Report Summary   A Vehicle suspension system is a device that allows the car to compress and extend in response to road irregularities while keeping the body of the car stable. This gives the passengers more comfort along an irregular road. Dampers are used to absorb the energy of such shocks and dissipates … 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»

Failure of Metals under Long Term Static Loads

Failure of metals under long term static loads Introduction Metals are an important factor in almost every aspect of contemporary life, as such it is essential that designers have sufficient knowledge of the behaviour of these materials when subjected to different types of loads in a variety of environments (Gere and Goodno 2012). In practical … Read More»

Comparison of High Voltage AC and DC

High Voltage AC High Voltage AC Tests Most of the test transformers are designed for operation at the working frequency of the test object. In a High Voltage AC system the equipment to be tested is continuously subjected to full power frequency voltage, allowing for some over voltage. When performing AC tests the applied voltage … 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»

Mechanics Essays – Turbocharger Petrol Engine

This essay was produced by one of our professional writers as a learning aid to help you with your studies Turbocharger Petrol Engine The quest for higher efficiency of the internal combustion engine will always be pursued. Increasingly stringent emission regulations are forcing the manufacturers to downsize on engine displacement and increase the specific power. … Read More»

Mechanics Essays – Stiffness Car Chassis

This essay was produced by one of our professional writers as a learning aid to help you with your studies Stiffness Car Chassis Introduction The purpose of the project is to increase the stiffness and reduce the weight of the existing car chassis, without disturbing the shape provided for engine mountings and driver’s space and … Read More»


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