All Outputs (1210)

Numerical investigation of the effect of bed height and coefficient of restitution on the minimum fluidization velocity of a cylindrical fluidized bed. (2013)
Presentation / Conference
KARNIK, A., RANGARAJAN, A. and TANDON, A. 2013. Numerical investigation of the effect of bed height and coefficient of restitution on the minimum fluidization velocity of a cylindrical fluidized bed. Presented at the 8th International conference on multiphase flow (ICMF 2013), 26-31 May 2013, Jeju, Korea.

Numerical simulation for 4 different ratios of initial bed heights (H) to base diameter (D), were performed; viz. 0.5, 1, 2 and 3. Glass beads of density 2600kg/m3 and with an average diameter of 550μm were used for all the simulations. Simulations w... Read More about Numerical investigation of the effect of bed height and coefficient of restitution on the minimum fluidization velocity of a cylindrical fluidized bed..

A technical evaluation of wind-hydrogen (WH) demonstration projects in Europe. (2013)
Conference Proceeding
VALVERDE, L., ALI, D., ABDEL-WAHAB, M., GUERRA, J. and HOGG, D.F. 2013. A technical evaluation of wind-hydrogen (WH) demonstration projects in Europe. In Proceedings of 4th international conference on Power engineering, energy and electrical drives 2013 (POWERENG 2013), 13-17 May 2013, Istanbul, Turkey. Piscataway: IEEE [online], pages 1098-1104. Available from: https://doi.org/10.1109/powereng.2013.6635764

Investment in Renewable Energy Sources (RES) is at the center of energy policy in Europe. A key shortcoming of renewable energy is the issue of intermittency which can pose a risk to the security of energy supply. Energy storage thus becomes essentia... Read More about A technical evaluation of wind-hydrogen (WH) demonstration projects in Europe..

Advanced membrane design for improved carbon dioxide capture. (2013)
Conference Proceeding
NWOGU, N.C. and GOBINA, E. 2013. Advanced membrane design for improved carbon dioxide capture. In Laudon, M. and Romanowicz, B. (eds.) TechConnect briefs: technical proceedings of the 2013 Clean technology and trade show: energy, renewables, materials, storage and environment, 12-16 May 2013, Washington, USA. Boston, MA: TechConnect [online], pages 204-207. Available from: https://briefs.techconnect.org/wp-content/volumes/Cleantech2013/pdf/415.pdf

A nano-structure tubular hybrid inorganic membrane capable of stripping carbon dioxide from flue gas stream was designed and tested at laboratory scale to improve compliance to various environmental regulations to cushion the effect of global warming... Read More about Advanced membrane design for improved carbon dioxide capture..

Advanced membrane design for improved carbon dioxide capture. (2013)
Conference Proceeding
NWOGU, N.C. and GOBINA, E. 2013. Advanced membrane design for improved carbon dioxide capture. In Laudon, M., Romanowicz, B.F. and NSTI. (eds.) TechConnect briefs: Nanotechnology 2013, vol 3: bio sensors, instruments, medical, environment and energy: technical proceedings of the 2013 NSTI (Nano Science and Technology Institute) Nanotechnology conference and expo, 12-16 May 2013, Washington, USA. Boston, MA: TechConnect [online], pages 708-711. Available from: https://briefs.techconnect.org/wp-content/volumes/Nanotech2013v3/pdf/415.pdf

A nano-structure tubular hybrid inorganic membrane capable of stripping carbon dioxide from flue gas stream was designed and tested at laboratory scale to improve compliance to various environmental regulations to cushion the effect of global warming... Read More about Advanced membrane design for improved carbon dioxide capture..

Numerical simulation of 2D turbulent natural convection of humid air in a cavity filled with solid objects. (2013)
Journal Article
IYI, D., HASAN, R. and PENLINGTON, R. 2013. Numerical simulation of 2D turbulent natural convection of humid air in a cavity filled with solid objects. Procedia engineering [online], 56: proceedings of 5th Bangladesh Society of Mechanical Engineers (BSME) International conference on thermal engineering 2012 (ICTE 2012), held during 21-23 December 2012, Dhaka, Bangladesh, pages 538-543. Available from: https://doi.org/10.1016/j.proeng.2013.03.157

Natural convection flow in enclosures containing solid objects is important in the design of a wide range of industrial and engineering applications. Numerical calculations were performed for low turbulence double-diffusion convection for humid air i... Read More about Numerical simulation of 2D turbulent natural convection of humid air in a cavity filled with solid objects..

Investigation of CO2 sequestration during cold heavy oil production. (2013)
Journal Article
TCHAMBAK, E., OYENEYIN, B. and OLUYEMI, G. 2013. Investigation of CO2 sequestration during cold heavy oil production. Energy sources, part A: recovery, utilization and environmental effects [online], 35(12), pages 1174-1184. Available from: https://doi.org/10.1080/15567036.2010.520068

CO2 sequestration during cold heavy oil production using captured carbon dioxide was investigated using REVEAL of Petroleum Experts. The results indicated that the CO2 release was influenced by the production phases. The prediction showed high CO2 re... Read More about Investigation of CO2 sequestration during cold heavy oil production..

A case study of retrofitting a non-domestic building in Scotland. (2013)
Presentation / Conference
ABDEL-WAHAB, M., ALI, D. and JENKINS, D. 2013. A case study of retrofitting a non-domestic building in Scotland. Presented at 2013 Sustainable building (sb 13 Munich): implementing sustainability; barriers and chances, 24-26 April 2013, Munich, Germany.

Enhancing the energy performance of buildings is a complex undertaking which involves the implementation of various measures which can include: insulation using innovative technologies in-particular for hard-to-treat buildings (e.g. historic listed b... Read More about A case study of retrofitting a non-domestic building in Scotland..

Modelling hydrogen energy technology to facilitate increased renewable penetration. (2013)
Presentation / Conference
GAZEY, R., ALI, D. and AKLIL, D. 2013. Modelling hydrogen energy technology to facilitate increased renewable penetration. Presented at the 2nd ETP (Energy Technology Partnership) annual conference 2013, 16-17 April 2013, Edinburgh, UK.

Started on the 01st February 2011, this research project has developed models for the innovative applications of Hydrogen (H2) production, storage and end-use technologies to facilitate the planned increase of renewable generation into existing elect... Read More about Modelling hydrogen energy technology to facilitate increased renewable penetration..

An experimental investigation into localised low-velocity impact loading on glass fibre-reinforced polyamide automotive product. (2013)
Journal Article
MOUTI, Z., WESTWOOD, K., LONG, D. and NJUGUNA, J. 2013. An experimental investigation into localised low-velocity impact loading on glass fibre-reinforced polyamide automotive product. Composite structures [online], 104, pages 43-53. Available from: https://doi.org/10.1016/j.compstruct.2013.03.014

In the automotive industry, more and more engineered parts are shifting from metals to engineering plastics. However localised impact loading and long term ageing effects of under-the-hood plastic components is not well understood. In this paper, loc... Read More about An experimental investigation into localised low-velocity impact loading on glass fibre-reinforced polyamide automotive product..

Regenerating Aberdeen: a vision for a thriving and vibrant city centre. (2013)
Report
COCKBURN, D., DEVECI, G., DONALDSON, B., GRAY, D., HARRIS, P., LAING, R., MCCLEAN, D., MARTIN, A., OWEN, A. and PRONDZYNSKI, F. V. 2013. Regenerating Aberdeen: a vision for a thriving and vibrant city centre. Aberdeen: Robert Gordon University. [onlone]. Available from: https://www.rgu.ac.uk/file/aberdeen-city-centre-regeneration-report

The aim of this discussion paper is to stimulate debate and prompt action regarding the future shape and purpose of Aberdeen's city centre. This paper argues that investment in a thriving and dynamic city centre requires consideration of the city as... Read More about Regenerating Aberdeen: a vision for a thriving and vibrant city centre..

Smart grid operation while integrating photovoltaic through green hydrogen technology. (2013)
Presentation / Conference
GAZEY, R., ALI, A. and AKLIL, D. 2013. Smart grid operation while integrating photovoltaic through green hydrogen technology. Presented at the 2nd TAMUQ (Texas A and M University at Qatar) annual research and industry forum 2013, 4-5 March 2013, Doha, Qatar.

Environmental pressures coupled with high fossil fuel prices have led to the rapid penetration of electricity generation from Renewable Energy Sources (RES). Because of the rapid RES penetration, the stability of grid energy infrastructures are now b... Read More about Smart grid operation while integrating photovoltaic through green hydrogen technology..

Linearized large signal modeling, analysis and control design of phase-controlled series-parallel resonant converters using state feedback. (2013)
Journal Article
ABOUSHADY, A.A., AHMED, K.H., FINNEY, S.J. and WILLIAMS, B.W. 2013. Linearized large signal modeling, analysis and control design of phase-controlled series-parallel resonant converters using state feedback. IEEE transactions on power electronics [online], 28(8), pages 3896-3911. Available from: https://doi.org/10.1109/TPEL.2012.2231700

This paper proposes a linearized large signal state-space model for the fixed-frequency phase-controlled series-parallel resonant converter. The proposed model utilizes state feedback of the output filter inductor current to perform linearization. Th... Read More about Linearized large signal modeling, analysis and control design of phase-controlled series-parallel resonant converters using state feedback..

A conceptual framework for the evaluation of fuel-cell energy systems in the UK built environment. (2012)
Journal Article
ABDEL-WAHAB, M. and ALI, D. 2013. A conceptual framework for the evaluation of fuel-cell energy systems in the UK built environment. International journal of green energy [online], 10(2), pages 137-150. Available from: https://doi.org/10.1080/15435075.2011.642089

Energy-efficient buildings can reduce human impact on the environment. Energy efficiency is not only concerned with generating more energy using fewer resources, nor reducing energy usage, but also it is about harnessing natural resources, such as wi... Read More about A conceptual framework for the evaluation of fuel-cell energy systems in the UK built environment..

Computational fluid dynamics based performance optimisation of vertical axis marine current turbines. (2012)
Conference Proceeding
PARK, K.-S., ASIM, T., MISHRA, R., SHAHZAD, A. and MIRANGWANDA, G. 2012. Computational fluid dynamics based performance optimisation of vertical axis marine current turbines. Proceedings of 2nd international workshop and congress eMaintenance 2012 (eMaintenance 2012): trends in technologies and methodologies challenges, possibilities and applications, 12-14 December 2012, Luleå, Sweden. Luleå: Luleå University of Technology, pages 119-124. Hosted on pdfcoffee.com [online]. Available from: https://pdfcoffee.com/qdownload/proceedings-emaintenance-pdf-free.html

Rapid decrease in the fossil fuels in the last couple of decades has stirred the researchers to find alternative sources for the production of power. Wind and tidal energies are the two most promising alternatives to the fossil fuels. While most of t... Read More about Computational fluid dynamics based performance optimisation of vertical axis marine current turbines..

Numerical simulations of effects of faults in a vertical axis wind turbine’s performance. (2012)
Conference Proceeding
SHAHZAD, A., ASIM, T., PARK, K.-S., PRADHAN, S. and MISHRA, R. 2012. Numerical simulations of effects of faults in a vertical axis wind turbine's performance. Proceedings of 2nd international workshop and congress eMaintenance 2012 (eMaintenance 2012): trends in technologies and methodologies challenges, possibilities and applications, 12-14 December 2012, Luleå, Sweden. Luleå: Luleå University of Technology, pages 113-117. Hosted on pdfcoffee.com [online]. Available from: https://pdfcoffee.com/qdownload/proceedings-emaintenance-pdf-free.html

Renewable sources of energy are being developed globally to overcome the present excessive dependence on fossil fuels. Wind energy is one of the important sources of renewable energy. Considerable amount of research is being carried out on the innova... Read More about Numerical simulations of effects of faults in a vertical axis wind turbine’s performance..

Drill bit performance investigation using computational fluid dynamics. (2012)
Presentation / Conference
TESFA, B., MISHRA, R., ASIM, T. and PRADHAN, S. 2012. Drill bit performance investigation using computational fluid dynamics. Presented at 39th National conference on fluid mechanics and fluid power 2012 (NCFMFP 2012), 13-15 December 2012, Surat, India.

Drilling tools are extensively used in mining and quarrying industries. Even though working environments may be different for different drilling tools application, the basic working principle has extensive similarity. The markedly different physical... Read More about Drill bit performance investigation using computational fluid dynamics..

An Investigation on Ventilation Air Distribution within Rectangular and Circular Enclosures (2012)
Presentation / Conference
RAO, V., MISHRA, R., ASIM, T. and PRADHAN, S. 2012. An investigation on ventilation air distribution within rectangular and circular enclosures. Presented at 39th National conference on fluid mechanics and fluid power 2012 (NCFMFP 2012), 13-15 December 2012, Surat, India.

One of the important parameters that dictate the effectiveness of ventilation system is air change rate. The air change rate provides overall effectiveness of ventilation in an enclosed space and it needs to be examined with age of air particles to d... Read More about An Investigation on Ventilation Air Distribution within Rectangular and Circular Enclosures.

Condition based monitoring of vertical axis wind turbines using computational fluid dynamics. (2012)
Presentation / Conference
PARK, K.-S., ASIM, T., MISHRA, R. and PRADHAN, S. 2012. Condition based monitoring of vertical axis wind turbines using computational fluid dynamics. Presented at 39th National conference on fluid mechanics and fluid power 2012 (NCFMFP 2012), 13-15 December 2012, Surat, India.

Scarcity of fossil fuels and a rapid escalation in the fuel prices around the world recently has lead the search for alternative energy sources. Out of the available energy sources, wind is being considered as the prime next generation energy source.... Read More about Condition based monitoring of vertical axis wind turbines using computational fluid dynamics..

Stabilising the grid through use of energy storage. (2012)
Presentation / Conference
GAZEY, R., ALI, D. and AKLIL, D. 2012. Stabilising the grid through use of energy storage. Presented at 10th IET (Institution of Engineering and Technology) International conference on AC and DC power transmission 2012 (ACDC 2012), 4-6 December 2012, Birmingham, UK.

A low carbon economy is now a central policy objective for the UK Government, with renewable energy as one of the key delivery mechanisms. Due to the intermittent nature of renewable energy generation, the UK's renewable energy targets will be diffic... Read More about Stabilising the grid through use of energy storage..

Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling. (2012)
Journal Article
HOSSAIN, M., ISLAM, S.Z., and POLLARD, P. 2013. Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling. Renewable energy [online], 51, pages 404-418. Available from: https://doi.org/10.1016/j.renene.2012.10.008

A two-phase polymer electrolyte membrane fuel cell model has been developed to investigate transport of species in a gas diffusion layer taking into account effects of liquid water saturation. A set of governing equations for mass, momentum, species... Read More about Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling..