Browsing Engineering by Title
Now showing items 1-20 of 27
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Airline Maintenance Cost Optimization Through Spare Parts Inventory Control
(2020)Aircraft maintenance is a key factor which has a direct impact on the value and airworthiness of aircraft and plays an important role in strategical decision making which adjusts the economic performances. Managing spare ... -
Analysis of the Fire Effectiveness of Medium Calibre Indirect Fire Naval Weapon System
(2020)‘Oto Melara’ 76/62mm Compact Single Mounting Weapon system is the largest caliber one and only fire control radar coupled weapon system Sri Lanka Navy possessed with by 2019. Yet, this could not effectively used during war ... -
A Comparison of Nonlinear Material Models Used in Pavement Response Modelling
(2020)The numerical modelling of pavement responses is very much influenced by structural properties of pavement. The structural properties are modelled by material models. Clear understandings of pavement responses with respect ... -
Conceptual Design of Boom Mounted Inverted V-Tail in the Searcher MK II UAV
(2020)Abstract: Long endurance surveillance drones are preferred in both military and meteorological applications. Designers aim to enhance vehicle aerodynamics in view of increasing endurance by introducing methods of drag ... -
Controlling Parked Vehicle Interior Temperature Using Renewable Energy
(2020)A parked vehicle cabin can be treated as a nearly closed volume. So, when an automobile is parked under sunlight the solar radiation heats the interior to extensive temperatures of above 60°C. These extreme temperatures ... -
Design and Fabrication of an Automatic Ruler Printing Machine
(2020)Automation has been popular among most manufacturing and production systems due to improved efficiency, high production rates and low wastage. The project was focused on Designing and Fabrication of an Automated Ruler ... -
Design and Implementation of a Remote-Controlled Reliability Analysis and Energy Management System
(2020)The electricity distributed to any house, school, or industries comes from either Ceylon Electricity Board or Lanka Electricity Company (Pvt.) Ltd. Electricity is bought from LECO or CEB by its consumers under various ... -
Design of a Wind Propelled Planning Hull Craft for Shallow Water Operation
(2020)During recent flash floods, Sri Lanka Navy rescue teams met with many circumstances where they could not use their Dinghies even with a short tail Out Board Motors (OBM) due to submerged obstacles at unprecedented depths. ... -
Design of DC-DC Converter for ESP8266 Based IoT Sensor Nodes
(2020)In this article, we present a design of an improved DC-DC converter for low power Wireless Sensor Node using IoT. New research shows that the main drawback of future wireless sensor networks is energy storage, collection, ... -
Design of Pressure Sensing Circuit to Measure Pressure Distribution of Patient’s Foot
(2020)Design of pressure sensing circuit and related parameters are discussed in this paper. A significant portion of the world’s population is plagued by diabetes. It can deteriorate the organs of the body at a very high ... -
Development of a Robust Dynamic Damage Control Simulator
(2020)The art of ‘Damage Control’ has been part of a seafarer’s professional expertise for time immemorial. The utility of effective damage control as well as the disastrous consequences of lack of it, in modern Naval combat, ... -
Development of a Semi-Automated Device to Lift and Transfer Bedridden Patients
(2020)Transferring bedridden patients from one flat surface to another, i.e. from a bed to a stretcher or laboratory/theater bed, is one of crucial activities carried out in healthcare facilities. It is a physically challenging ... -
Effect of Size and Position of Pinholes on Transformer Core Loss
(2020)This paper presents the investigation of the variation of core loss due to the effect of pin holes in the transformer core which are used to stack the core sheets in a step lap pattern. A three-phase distribution ... -
Effect on Water Quality due to Residential Development – A Case Study on Kolonnawa Canal
(2020)Due to the increasing number of residential buildings in Colombo and its suburbs, the wastewater volume generated and discharged by them is also to be increased. It would affect water bodies and would eventually lead them ... -
Electrical and Electronic Waste Management in Sri Lanka
(2020)E-waste or electrical and electronic waste is one of the fastest-growing waste in the world and this problem affects Sri Lanka as well. E-waste will become an emerging issue in the near future because the estimated ... -
Elephant Intrusion Detection, Deterrence and Warning System (“Tusker Alert”)
(2020)The Human-Elephant Conflict (HEC) is a serious socio-economic problem in Sri Lanka. Many methods including traditional electric fence systems to novel technological approaches are being used to minimize the HEC. Each ... -
Energy Absorption Capacity and Impact Energy of Rubberized Concrete
(2020)Disposal of used tires is a critical environmental issue in Sri Lanka. Rubberized concrete is one of the solutions introduced by the researchers to minimize the quantity of waste rubber. These studies discovered that ... -
An Enumerative Constraint Planning Framework for Airline Engineering Manpower Cost Optimization
(2020)This paper discusses the formulation of a general enumerative constraint planning model relevant to different aspects of airline engineering workforce planning dimensions observed in the contemporary flight line operations. ... -
Evaluating Driver Speeding at Traffic Signal Lights During the Amber Time: With and Without Countdown Timers
(2020)At the onset of amber color indication, drivers must decide whether to stop or cross a signalized intersection. In literature, there is enough evidence indicating that a significantly high number of crashes that occur at ... -
Evaluating the Efficiency of a Traffic Signal Light over a Traffic Policeman
(2020)The overall effect of traffic is considered to be high, at most of the intersections when they are controlled by traffic signal lights during peak hours . This causes lengthy queues and user inconveniences at ...