Browsing by Discipline
Now showing items 1-20 of 26
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An adaptive neuro-fuzzy controller for vibration suppression of a flexible structure in aerial refueling
(2022)Air-to-air refueling (AAR) has been commonly used in military jet applications. Recently, civilian applications of AAR have been garnering increased attention due to the high cost of air travel, which is largely dictated ... -
Cold flow improvement of biodiesel and investigation of the effect of biodiesel emulsification on diesel engine performance and emissions
(2017)Increasing concerns over environmental issues and conventional resource depletion have heightened our motivation to use clean and alternative fuels. Biodiesel is simply derived from biomass proposed as an alternative fuel ... -
Effect of glycerine and water emulsion of diesel-biodiesel blends on engine performance and emissions with EGR
(2018)The globally rising temperatures and its impact on our ecosystem and earth’s natural processes have raised an environmental concern worldwide. The pollution caused due to the burning of fossil fuels has resulted in climate ... -
Effects of various additives on regulated emissions of modern diesel engines
(2017)Increasingly strict emissions regulations along with man-made global warming has peaked interest in clean burning diesel engines. Renewable biofuels such as biodiesel are being investigated to reduce carbon monoxide (CO), ... -
An enhanced Teager Huang transform technique for bearing fault detection
(2021)Rolling element bearings are widely used in rotating machinery. Bearing health condition monitoring plays a vital role in predictive maintenance to recognize bearing faults at an early stage to prevent machinery performance ... -
Experimental characterization of a hybrid photovoltaic-thermal system with regeneration
(2018)Currently, enormous quantities of waste energy are continuously discharged into the earth’s atmosphere from various sources. For example, in a photovoltaic panel, about 85% of the incident light is either dissipated as ... -
Health condition monitoring of civil structures using time varying autoregressive models
(2017)In recent years, there have been an increasing interest in long-term monitoring of civil structures, as the research community has been alarmed by some tragic events and collapses of bridges and buildings that pointed out ... -
Identification of cracks in pipelines based on machine learning and deep learning
(2022)Pipelines are important long-distance transportation structures in modern industry, and because many are buried deep underground, pipeline health monitoring is critical to industry; however, inspecting underground pipelines ... -
Influence of building neighbors on wind flow around a tall building
(2022)This thesis focuses on how building neighbors influence wind flow around a tall building. The wake dynamics and flow structures around a tall building are first explored using Large Eddy Simulations (LES). Following this, ... -
An intelligent system for fault diagnosis in gearboxes
(2022)Gearboxes are commonly used in rotating machinery for power transmission. A gearbox consists of shafts, gears, and bearings, each component having specific mechanical dynamics and fault properties. Reliable gearbox fault ... -
An intelligent system for temperature monitoring and brake drum cooling
(2018)Brakes convert the kinetic energy of the moving vehicle into heat energy due to friction between fixed and moving brake parts. Frequent applications of the brakes will cause overheating in brake parts, which could generate ... -
Investigation and performance characteristics of a hybrid solar photovoltaic-thermoelectric power generation renewable energy system
(2015)Increasing fossil fuel prices, electricity demand, and global concern for greenhouse gas emissions have increased interest and research of novel renewable energy technologies. Renewable solar-photovoltaic (PV) systems are ... -
Modal identification of time-varying structures using the blind source separation techniques
(2016)In last few decades, Structural Health Monitoring (SHM) has been an indispensable subject in the field of vibration engineering. With the aid of modern sensing technology, SHM has garnered significant attention towards ... -
A new control technology for the development of an air-to-air refueling system
(2023)Air to Air Refueling (AAR) was first performed over 100 years ago and until now it has almost exclusively been used in military applications. This is due to the prohibitive cost of maintaining a tanker fleet to enable ... -
New demodulation techniques for gearbox bearing fault detection
(2018)Nowadays, modern rotating machinery industries such as automotive, aerospace, turbo machinery, chemical plants, and power generation stations are rapidly increasing in complexity and in their everyday operations, which ... -
Nonlinear mathematical and numerical modeling of the effect of temperature on membrane pore size
(2022)Due to the growth of the global population, water stress has risen sharply. However, water stress in high latitudes is not only due to population growth but also to low local temperatures. Numerous studies have shown ... -
NOx reduction of biodiesel operated diesel engine using different techniques: (EGR, steam injection and emulsification)
(2018)The increase in world population has led to the growth in energy demand. The primary sources of this energy come from the combustion of conventional fuels, which are contributing to polluting the environment. Biodiesel ... -
Numerical analysis of discontinuous structures: static and dynamic
(2018)Discontinuous beam structures can be found in various applications such as adhesive bonded joints and piezoelectric energy harvesters. In adhesive bonded joint design, the single lap joint is commonly used and is constructed ... -
Online condition monitoring and fault detection in induction motor bearings
(2018)Induction motors (IMs) are commonly used in industry. Online IM health condition monitoring aims to recognize motor defect at its early stage to prevent motor performance degradation and reduce maintenance costs. The most ... -
Performance and emissions of diesel engines fueled by expanded polystyrene-infused biodiesel with additives
(2018)Environmental issues and conventional fossil resource depletion has directed the attention of researchers to seek clean or alternative fuels. Biodiesel was introduced as an answer to day-to-day increases in diesel consumption ...