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Browsing by Author "Sustainable Energy Technologies"
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3D CFD modeling of air flow through a porous fence
Xu, Yizhong; Mustafa, Mohamed Y.; Knight, Jason; Virk, Muhammad; Haritos, George (IEEE Computer Society, 2013)Numerical simulation has played an important role in systematic study on the performance of porous fences over the last three decades. In this paper, a 3D CFD model to simulate air flow through a porous fence is presented. ... -
Advanced Phase Powertrain Design Attribute and Technology Value Mapping
Georgiou, Aris; Haritos, George (2012-11-14) -
An aerodynamic analysis of a novel small wind turbine based on impulse turbine principles
Ying, Pei; Chen, Yong; Xu, Yigeng (2015-03-31)The paper presents both a numerical and an experimental approach to study the air flow characteristics of a novel small wind turbine and to predict its performance. The turbine model was generated based on impulse turbine ... -
Aerodynamic characteristics study and possible improvements of MAAT feeder airships
Voloshin, Vitaly; Chen, Yong; Neydorf, Rudolf; Boldyreva, Anna (2013-12-19)This paper is dedicated to the study and improvement of the aerodynamic properties of the feeder airship in the context of MAAT project. FP7 MAAT project is based on the concept of two different types of airships (the ... -
Aeroelastic vibration control of hybrid airships using Regenerative Actuators
Patel, Vatsalkumar; Khoshnoud, Farbod; Pissanidis, Georgios; Montalvão, Diogo; Chen, Yong (2013-07)In this paper, an experiment is performed to investigate aeroelastic vibration control of a wing using regenerative piezoelectric actuators. Instead of the wing a plate with one pair of the piezoelectric actuator is used ... -
Analysis of Diesel Engine In-Cylinder Air-Fuel Mixing with Homogeneity Factor : Combined Effects of Pilot Injection Strategies and Air Motion
Dimitriou, Pavlos; Wang, Weiji; Peng, Jun; Cheng, Li; Wellers, Matthias; Gao, Bo (2014-10)With a view to understanding the air-fuel mixing behavior and the effects of the mixture quality on the emissions formation and engine performance, a new quantitative factor of the in-cylinder air-fuel homogeneity named ... -
Analysis of environmental and economic benefits of integrated Exhaust Energy Recovery (EER) for vehicles
Peng, Z.J.; Wang, T.; He, Y.; Yang, X.; Lu, L. (2013-05-01)Differing from those traditional vehicle exhaust heat recovery systems which just provided thermal energy directly for cabin warming, integrated Exhaust Energy Recovery (EER) which is researched and developed mainly in ... -
Analysis of recoverable exhaust energy from a light-duty gasoline engine
Wang, T.; Zhang, Y.; Zhang, J.; Shu, G.; Peng, Z.J. (2013-05-02)While EER (Exhaust Energy Recovery) has been widely pursued for improving the total efficiency and reducing CO emissions of internal combustion engines, the improvement on engine efficiency has been investigated with ... -
An analytical model for the identification of the threshold of stress intensity factor range for crack growth
Grasso, Marzio; De Iorio, Antonio; Xu, Yigeng; Haritos, George; Mohin, Muhodin; Chen, Yong (2017-01-18)The value of the stress intensity factor (SIF) range threshold (∆K_th ) for fatigue crack growth (FCG) depends highly on its experimental identification. The identification and application of ∆K_(th )are not well established ... -
Attribute and technology value mapping for conceptual product design phase
Georgiou, Aris; Haritos, George; Fowler, Moyra; Imani, Yassaman (2016-06-01)The main focus of this paper is how the concept design phase of the product development process can be improved by using an objective data-driven approach in selecting a final concept design to progress further. A quantitative ... -
Characteristics of Pressure Wave in Common Rail Fuel Injection System of HSDI Diesel Engines
Herfatmanesh, Mohammad; Peng, Zhijun; Ihracska, Balazs; Li, Yuzhen; Lu, Lipeng; Zhang, Chi (2016-05-24)The latest generation of HPCR equipment now provides diesel engines possibility to apply as many as eight separate injection pulses within the engine cycle for reducing emissions and for smoothing combustion. With these ... -
Chord line force versus displacement for thin shallow arc pre-curved bimetallic strip
Angel, G. D.; Haritos, G.; Chrysanthou, A.; Voloshin, V. (2015-01-01)A pre-curved bimetallic strip that is applied with a force in an axial orientation, i.e. along its chord line, exhibits nonlinear force-displacement characteristics. For thin bimetallic strips, whereby the radius of curvature ... -
Comparisons of system benefits and thermo-economics for exhaust energy recovery applied on a heavy-duty diesel engine and a light-duty vehicle gasoline engine
Peng, Zhijun; Wang, Tianyou; Zhang, Yajun; Shu, Gequn (2014-08-31)Exhaust energy recovery system (EERS) based on Rankine cycle (RC) in internal combustion engines have been studied mainly on heavy-duty diesel engines (D) and light-duty vehicle gasoline engines (G), however, little ... -
Computational and Experimental Investigations of an Omni-Flow Wind Turbine
Ying, Pei; Chen, Yong; Xu, Yigeng; Tian, Yuan (2015-05-15)Both numerical and experimental studies were conducted to evaluate the performance of an omni-flow wind turbine designed to provide renewable electricity on the top of urban buildings like skyscrapers. The numerical approach ... -
Computational Modelling of Blades for a Novel Wind Turbine
Ying, Pei; Chen, Yong; Xu, Yigeng (IEEE, 2012-06)Blades of a novel wind turbine system based on the principles of impulse turbines were designed in 3D and tested by computational fluid dynamics (CFD) simulation. This new turbine system is suitable to construct on the ... -
Computational Study of a Small Scale Vertical Axis Wind Turbine (VAWT) : Comparative Performance of Various Turbulence Models
Aresti, Lazaros; Tutar, Mustafa; Chen, Yong; Calay, Rajnish (2013-09)The paper presents a numerical approach to study of fluid flow characteristics and to predict performance of wind turbines. The numerical model is based on Finite-volume method (FVM) discretization of unsteady Reynolds-averaged ... -
Cooled solar PV panels for output energy efficiency optimisation
Peng, Zhijun; Herfatmanesh, Mohammad; Liu, Yiming (2017-10-15)As working temperature plays a critical role in influencing solar PV’s electrical output and efficacy, it is necessary to examine possible way for maintaining the appropriate temperature for solar panels. This research is ... -
Delamination threshold load of composite laminate under low-velocity impact
Xu, Yigeng; Shen, Zeng; Tiu, William; Xu, Yizhong; Chen, Yong; Haritos, George (2013)A key factor affecting the use of carbon fibre reinforced composite laminates is the low velocity impact damage which may be introduced accidentally during manufacture, operation or maintenance of the component. Among the ... -
Development of an automated smart trap for wheat pathogens
Kaye, Richard; Johnston, Ian; Baxter, Richard; Munro, Ian; Tracey, Mark; Day, Rodney; McCluskey, Daniel (2017-03-16)National surveys show fungicide use on wheat continues to increase despite fluctuations in disease pressure, reaching a 30 year high in 2012 (Defra). Septoria tritici is the most significant foliar disease in UK wheat ... -
Economic Analysis of Domestic Combined Heat and Power System in the UK
Sutharssan, Thamo; Montalvao, Diogo; Chen, Yong; Wang, Wen-Chung; Pisac, Claudia (2016-01-21)A combined heat and power (CHP) system is an efficient and clean way to generate power (electricity). Heat produced by the CHP system can be used for water and space heating. The CHP system which uses hydrogen as fuel ...