Browsing Engineering, Built Environment & Spatial Sciences by Issue Date
Now showing items 1-20 of 32
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Aerodynamics Analysis of F-16 Aircraft
(2015)The Lockheed Martin F-16 Fighting Falcon is the world’s most prolific fighter with more than 2000 in service. The primary objective of this research project is to evaluate the aerodynamics behaviour of the F-16 aircraft ... -
Under Frequency Load Shedding Based on Dynamic System Information
(2015)Under Frequency Load shedding is an effective mechanism to prevent a disturbance – induced collapse of a power system. Ceylon Electricity Board (CEB) also uses such a system with the support of under frequency load shedding ... -
Validation of OpenFOAM as Computational Fluid Dynamics (CFD) Software
(2015)Computational Fluid Dynamic (CFD) software is doing a critical role in the modern era of engineering. It is very important especially to the aeronautical and aerospace engineering fields. New CFD software comes in to the ... -
Impacts of Mini Hydropower Plants: A research design through preliminary studies
(2015)Hydropower is the number one renewable clean source of energy used for power generation in Sri Lanka when compared with solar, wind and bio mass sources. Despite being identified as a clean source of power generation, the ... -
Characterization of Montmorillonite Clay from Naturally Occurring Clay Deposits in Murunkan Area
(2015)Engineering fields widely use montmorillonite(MMT) nano clay for wide range of applications. Identify the presence of MMT and other minerals in naturally occurred clay deposits in Murunkan region and discussing the ... -
Volatility Models for World Stock Indices and Behaviour of All Share Price Index
(2015)The purpose of the study is to model the volatility of the world stock indices. The word volatility is derived as the results of unequal variances of the error terms of the return series. The technical term used here is ... -
Characteristics of Motorcycle Crashes
(2015)Motorcycles are popular in Asian countries including Sri Lanka and it is becoming an important part of transportation in the country. Despite its popularity, little research has been conducted to study the impact of ... -
Effect of Reduced Graphene Oxide Depositing on n-Cu2O for Solid State Photovoltaic Cell
(2015)A low cost solid state photovoltaic cell made with a simple preparation method of Cu2O and deposition of reduce graphene oxide (rGO) on Cu2O. The graphene oxide was prepared by modified Hummer’s method and deposition of ... -
Complex Valued Independent Component Analysis for Image Enhancement
(2015)Independent Component Analysis (ICA), a category of blind source separation, can be effectively used for extraction of unknown independent source signals from signal mixtures in a wide range of signal processing applications. ... -
Can Taguchi Method be applied to Improve Software Quality ? A Case Study
(2015)Taguchi method was formulated by Dr. Genichi Taguchi for the purpose of improving quality and hence the productivity of industrial products, ref. Burgam (1965), Moen et al. (1992), Peace (1992), Roy (2010). Since then ... -
Modelling of Energy Utilization of Tourism Industry to have an Insight of the Existing Electricity Generation Plan of Sri Lanka
(2015)Tourism industry in Sri Lanka shares a substantial amount of GDP (Gross Domestic Product) and predicts an immense expansion within a short time frame. Owing to its energy intensiveness and competitiveness, a scrutiny in ... -
Optimized Power Output from Piezoelectric Flexure Element Driven by Low Frequency Vibration
(2015)Energy harvesting is the process of capturing readily available energy and converting into usable energy. Among the many different types of energy harvesting methods, piezoelectric energy harvesting has become popular as ... -
A Comparative Evaluation of Existing Mppt Algorithms and Development of a Hybrid Algorithm for Photovoltaic Systems
(2015)This Research paper is about a comparative evaluation of different existing algorithms for Maximum Power Point Tracking (MPPT) of photovoltaic (PV) systems, and developing of a new hybrid-algorithm. Solar panel is a non ... -
Efficient 3D City Modelling from Airborne Laser Scanning point clouds
(2015)Geometrically and topologically correct 3D building models are required to satisfy the increasing demand in, for instance virtual reality, emergency response, robot navigation, and urban planning. Airborne Laser Scanning ... -
Landscape as a Tool in Achieving “Adaptive Comfort”, a Study on Multi-Storied Residential Buildings in Tropics
(2015)Maintaining indoor thermal and visual comfort has become the basic means of energy consuming modes in residential buildings in tropical climates. The amount of energy consumption in domestic building activities per year ... -
Development and Experimental Evaluation of a Visible Light Communication System with Ambient Light Cancellation
(2015)Light emitting diodes (LEDs) hold several attractive characteristics such as low power consumption, fast switching times, high durability and size reduction to find applications in modern digital communications. This paper ... -
Railway Warning and Control Systems
(2015)This paper presents overall system description of the implemented system on the sensor network based railway warning and control system. With the main objective of providing the protection to the public at the unmanned ... -
An Analysis of Speed Drop in ADSL Lines in Sri Lanka
(2015)This paper investigates the possible reasons for the very common problem faced by internet users at present: speed drop in ADSL lines in Sri Lanka. ADSL is a variant of DSL in which unused bandwidth of existing copper cable ...