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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..

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..

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..

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.

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..

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..

Simulation based approach to predict vertical axis wind turbine faults using computational fluid dynamics. (2012)
Presentation / Conference
PARK, K.-S., ASIM, T. and MISHRA, R. 2012. Simulation based approach to predict vertical axis wind turbine faults using computational fluid dynamics. Presented at 1st Through-life engineering services international conference 2012 (TESConf 2012), 5-6 November 2012, Cranfield, UK.

Use of on-line fault detection techniques is integral to successful operation and maintenance of a wind turbine installation. The deployment of condition monitoring systems needs to be structured and sensitive to likely faults that may occur. In this... Read More about Simulation based approach to predict vertical axis wind turbine faults using computational fluid dynamics..

Attitude control of VTOL-UAVs. (2012)
Conference Proceeding
HEIDARIAN, M. and MEMON, A.Y. 2012. Attitude control of VTOL-UAVs. In Proceedings of the 2012 UKACC international conference on control (CONTROL 2012), 3-5 September 2012, Cardiff, UK. Piscataway: IEEE [online], pages 363-368. Available from: https://doi.org/10.1109/CONTROL.2012.6334657

This paper presents a novel control approach to obtain asymptotic attitude stability of a quadrotor as a representative of Planar Vertical Take Off and Landing (PVTOL) Unmanned Aerial Vehicles (UAVs). The considered quadrotor is a symmetric VTOL-UAV... Read More about Attitude control of VTOL-UAVs..

Development of a doped titania immobilised thin film multi tubular photoreactor. (2012)
Journal Article
ADAMS, M., SKILLEN, N., MCCULLAGH, C., AL-KHATIB, S. and ROBERTSON, P.K.J. 2013. Development of a doped titania immobilised thin film multi tubular photoreactor. Applied catalysis B: Environmental [online], 130-131, pages 99-105. Avaialable from: https://doi.org/10.1016/j.apcatb.2012.10.008

This paper describes a novel doped titania immobilised thin film multi tubular photoreactor which has been developed for use with liquid, vapour or gas phase media. In designing photocatalytic reactors measuring active surface area of photocatalyst w... Read More about Development of a doped titania immobilised thin film multi tubular photoreactor..

Real world renewable hydrogen transport. (2012)
Journal Article
GAZEY, R., ALI, D. and AKLIL, D. 2012. Real world renewable hydrogen transport. Journal of technology innovations in renewable energy [online] 1(1), pages 14-22. Available from: https://doi.org/10.6000/1929-6002.2012.01.01.2

Hydrogen represents an excellent energy storage option as it can act as both a short and long-term energy store. As the UK Government is strategically moving the UK towards a low carbon economy, hydrogen can play an important role as a solution to ma... Read More about Real world renewable hydrogen transport..

Automated design and STEP-NC machining of impellers (2012)
Conference Proceeding
ARIVAZHAGAN, A., MEHTA, N.K. and JAIN, P.K. 2012. Automated design and STEP-NC matching of impellers. In Hinduja, S. and Li, L. (eds.) Proceedings of the 37th Manufacturing Automation and Systems Technology, Applications, Design, Organisation and Management, and Research (MATADOR) international conference 2012, 25-27 July 2012, Manchester, UK. London: Springer [online], article ID 2-6, pages 57-60. Available from: https://doi.org/10.1007/978-1-4471-4480-9_2

This paper presents the four stage approach followed for automated design and STEP-NC based machining of impellers. In the first stage, the design calculations are performed to construct the 'Meridional representation' of the radial impeller. Then 3D... Read More about Automated design and STEP-NC machining of impellers.

Mechanical performance of foam glass with nanoscale structure elements. (2012)
Journal Article
KAZMINA, O.V., SEMUKHIN, B.S. and NJUGUNA, J. 2012. Mechanical performance of foam glass with nanoscale structure elements. IOP conference series: materials science and engineering, 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUCT 2012), 2-4 July 2012, Cranfield, UK, Article 012042. Available from: https://doi.org/10.1088/1757-899X/40/1/012042

The paper presents experimental data on studying the strengthening of glass foam material. Glass foam material is foamed glass of increased strength achieved due to nanoscale structural elements. Glass foam is obtained through thermal treatment of no... Read More about Mechanical performance of foam glass with nanoscale structure elements..

Potential of silicon nanowires structures as nanoscale piezoresistors in mechanical sensors. (2012)
Journal Article
MESSINA, M. and NJUGUNA, J. 2012. Potential of silicon nanowires structures as nanoscale piezoresistors in mechanical sensors. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012038. Available from: https://doi.org/10.1088/1757-899X/40/1/012038

This paper presents the design of a single square millimeter 3-axial accelerometer for bio-mechanics measurements that exploit the potential of silicon nanowires structures as nanoscale piezoresistors. The main requirements of this application are mi... Read More about Potential of silicon nanowires structures as nanoscale piezoresistors in mechanical sensors..

Tannin-based flax fibre reinforced composites for structural applications in vehicles. (2012)
Journal Article
ZHU, J., ABHYANKAR, H., NASSIOPOULOS, E. and NJUGUNA, J. 2012. Tannin-based flax fibre reinforced composites for structural applications in vehicles. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012030. Available from: https://doi.org/10.1088/1757-899X/40/1/012030

Innovation is often driven by changes in government policies regulating the industries, especially true in case of the automotive. Except weight savings, the strict EU regulation of 95% recyclable material-made vehicles drives the manufactures and sc... Read More about Tannin-based flax fibre reinforced composites for structural applications in vehicles..

Enhancement of thermal conductivity of materials using different forms of natural graphite. (2012)
Journal Article
DESAI, S. and NJUGUNA, J. 2012. Enhancement of thermal conductivity of materials using different forms of natural graphite. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012017. Available from: https://doi.org/10.1088/1757-899X/40/1/012017

The quest for improvement of thermal conductivity in every area including aerospace structures is gaining momentum as the modern day technology is embedded with electronics which generate considerable amounts of heat energy. In some other application... Read More about Enhancement of thermal conductivity of materials using different forms of natural graphite..

Assessment of nanoparticle release and associated health effect of polymer-silicon composites. (2012)
Journal Article
ZHU, H., IRFAN, A., SACHSE, S. and NJUGUNA, J. 2012. Assessment of nanoparticle release and associated health effect of polymer-silicon composites. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012015. Available from: https://doi.org/10.1088/1757-899X/40/1/012015

Little information is currently available on possible release of nanomaterials or/and nanoparticles (NP) from conventional and novel products and associated health effect. This study aimed to assess the possible release of NP during the application s... Read More about Assessment of nanoparticle release and associated health effect of polymer-silicon composites..

Physical characteristics of nanoparticles emitted during drilling of silica based polyamide 6 nanocomposites. (2012)
Journal Article
SACHSE, S., SILVA, F., IRFAN, A., ZHU, H., PIELICHOWSKI, K., LESZCZYNSKA, A., BLAZQUEZ, M., KAZMINA, O., KUZMENKO, O. and NJUGUNA, J. 2012. Physical characteristics of nanoparticles emitted during drilling of silica based polyamide 6 nanocomposites. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012012. Available from: https://doi.org/10.1088/1757-899X/40/1/012012

During the past decade, polymer nanocomposites have emerged as a novel and rapidly developing class of materials and attracted considerable investment in research and development worldwide. However, there is currently a lack of information available... Read More about Physical characteristics of nanoparticles emitted during drilling of silica based polyamide 6 nanocomposites..

Energy absorption characteristics of nano-composite conical structures. (2012)
Journal Article
SILVA, F., SACHSE, S. and NJUGUNA, J. 2012. Energy absorption characteristics of nano-composite conical structures. IOP conference series: materials science and engineering [online], 40(1): proceedings of 2012 international conference on Structural nano composites (NANOSTRUC 2012), 2-4 July 2012, Cranfield, UK, article 012010. Available from: https://doi.org/10.1088/1757-899X/40/1/012010

The effect of the filler material on the energy absorption capabilities of polyamide 6 composite structures is studied in details in the present paper. The axial dynamic and quasi-static collapse of conical structures was conducted using a high energ... Read More about Energy absorption characteristics of nano-composite conical structures..

A laboratory study of rail-wheel interaction monitoring using acoustic emission: effect of rolling conditions with and without lateral rattling. (2012)
Journal Article
THAKKAR, N.A., STEEL, J.A. and REUBEN, R.L. 2013. A laboratory study of rail-wheel interaction monitoring using acoustic emission: effect of rolling conditions with and without lateral rattling. Proceedings of the Institution of Mechanical Engineers, part F: journal of rail and rapid transit [online], 227(2), pages 161-175. Available from: https://doi.org/10.1177/0954409712458497

This paper presents part of an extended laboratory study on the potential to apply the acoustic emission (AE) technique for in-situ rail-wheel interaction monitoring using rail-mounted sensors. The essential monitoring principle is that the intensity... Read More about A laboratory study of rail-wheel interaction monitoring using acoustic emission: effect of rolling conditions with and without lateral rattling..

Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell. (2012)
Journal Article
HOSSAIN, M., ISLAM, S.Z., COLLEY-DAVIES, A. and ADOM, E. 2013. Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell. Renewable energy [online], 50, pages 763-779. Available from: https://doi.org/10.1016/j.renene.2012.08.041

The present study focuses on the investigation of water dynamics inside a polymer electrolyte membrane fuel cell using two different modelling approaches: Eulerian two-phase mixture and volume of fluid interface tracking models. The Eulerian two-phas... Read More about Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell..