Engineering, Built Environment & Spatial Sciences
Recent Submissions
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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 ... -
Novel solid state solar cell made from n-cu2o using granular active carbon as upper - electrode
(2015)Coir is a natural vegetable fibre obtained from the coconut tree. In this research, alkaline-bio scoured bristle coir fibres powders were subjected to alkaline activation method. Potassium Hydroxide (0.1M) was used to treat ... -
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 ... -
A Stochastic Model for Variation of Exchange Rates in Sri Lanka
(2015)In Sri Lankan economy, exchange rates have been a one of the critical factors as domestic inflation mostly occurs on depreciation of currency value. Exchange rate is the rate at which currency of a country is bought and ... -
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 ... -
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 ... -
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 ... -
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 ... -
On an Algorithm to Prove the Strong Goldbach Conjecture
(2015)The strong Goldbach conjecture says that any even number greater than the integer can be expressed as the sum of two prime numbers which has been numerically justified up to such large numbers that of order 4 . We assume ... -
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 ... -
p-CuSCN (band gap=3.1eV) Sensitized Cu2O Quantum Dots (QDs) Photoelectrochemical Cell
(2015)This work focuses on making photoelectrochemical cell for the first time by sensitizing p-CuSCN with Cu2O quantum dots (QDs). Copper (I) thiocyanate (CuSCN) is wide band gap material which is sensitive only to UV light. ... -
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 ... -
Developing Software Which Automatically Plot Various Types of Profiles Using Road Survey Data
(2015)There is a lack of locally oriented software that generates profiles in a specific format which local organisations required, so professionals like Engineers, Surveyors face various kind of troubles. As a solution this ... -
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 ... -
Inculcating Professionalism in to the University Degrees: Experience of the Faculty of Geomatics, Sabaragamuwa University of Sri Lanka
(2015)The Faculty of Geomatics, Sabaragamuwa University of Sri Lanka is reputed for its BSc degree in Surveying Sciences since its inception in 1997 in its effort to produce professional surveyors. Due to the technological ... -
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 ... -
Analysis of the Sales Checkout Operation in Supermarket Using Queuing Theory
(2015)This paper contains the analysis of Queuing systems for the empirical data of supermarket checkout service unit using queuing theory. One of the expected gains from studying queuing systems is to review the efficiency of ... -
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 ...
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