All Outputs (627)

A prognostic decision model for offshore wind turbines maintenance. (2015)
Journal Article
SINHA, Y. and STEEL, J.A. 2015. A prognostic decision model for offshore wind turbines maintenance. Wind engineering [online], 39(5), pages 569-578. Available from: https://doi.org/10.1260/0309-524X.39.5.569

Frequent unscheduled random maintenance activities have significantly increased the operating cost of Offshore Wind Turbines (OWT). These activities account for ∼65% of the overall OWT maintenance costs or 23% of the lifetime costs of OWT, equivalent... Read More about A prognostic decision model for offshore wind turbines maintenance..

Solvent effects on lasing characteristics for Rh B laser dye. (2015)
Journal Article
PETER, J., KUMAR, M., ANANAD, V.R., SALEEM, R., SEBASTIAN, A., RADHAKRISHNAN, P., NAMPOORI, V.P.N., VALLABHAN, C.P.G., PRABHU, R. and KAILASNATH, M. 2016. Solvent effects on lasing characteristics for Rh B laser dye. Journal of luminescence [online], 169(Part A), pages 227-232. Available from: https://doi.org/10.1016/j.jlumin.2015.09.002

We demonstrate pulsed, photopumped multimode laser emission in the visible spectral range from rhodamine B dye dissolved in various solvents. The laser emission is characterized by a well-defined, low threshold pump power at which the emission spectr... Read More about Solvent effects on lasing characteristics for Rh B laser dye..

Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC. (2015)
Journal Article
FAISAL, N.H., AHMED, R., KATIKANENI, S.P., SOUENTIE, S. and GOOSEN, M.F.A. 2015. Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC. Journal of thermal spray technology [online], 24(8), pages 1415-1428. Available from: https://doi.org/10.1007/s11666-015-0315-2

Air plasma-sprayed (APS) coatings provide an ability to deposit a range of novel fuel cell materials at competitive costs. This work develops three separate types of composite anodes (Mo-Mo2C/Al2O3, Mo-Mo2C/ZrO2, Mo-Mo2C/TiO2) using a combination of... Read More about Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC..

Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. (2015)
Journal Article
SREEJA SREEDHARAN, R., VINODKUMAR, R., NAVAS, I., PRABHU, R. and PILLAI, V.P.M. 2015. Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. JOM: journal of the Minerals, Metals and Materials Society [online], 68(1), pages 341-350. Available from: https://doi.org/10.1007/s11837-015-1632-0

The effects of Pr doping on the structural, morphological, optical and non-linear optical properties have been investigated. X-ray diffraction and Raman analysis reveals the formation of highly c-axis-oriented films with hexagonal wurtzite structure... Read More about Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films..

Experimental verification of the vibro-impact capsule model. (2015)
Journal Article
LIU, Y., PAVLOVSKAIA, E. and WIERCIGROCH, M. 2016. Experimental verification of the vibro-impact capsule model. Nonlinear dynamics [online], 83(1-2), pages 1029-1041. Available from: https://doi.org/10.1007/s11071-015-2385-6

In this paper, an experimental verification of the vibro-impact capsule model proposed by Liu et al. in [1-3] is presented. The capsule dynamics is investigated experimentally by varying the stiffness of the support spring, and the frequency and the... Read More about Experimental verification of the vibro-impact capsule model..

Fuel consumption tabulation in laboratory conditions. (2015)
Journal Article
ALGHADHI, M., BALL, A., KOLLAR, L.E., MISHRA, R. and ASIM, T. 2015. Fuel consumption tabulation in laboratory conditions. International research journal of electronics and computer engineering [online], 1(2), pages 10-14. Available from: https://doi.org/10.24178/irjece.2015.1.2.10

Environmental degradation has come about for a number of factors including the use of fossil fuels in vehicles for everyday use. This paper attempts to understand the relationship between fuel consumption and various engine performance parameters und... Read More about Fuel consumption tabulation in laboratory conditions..

Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes. (2015)
Journal Article
OKON, E., SHEHU, H., NWOGU, N., KAJAMA, M., ORAKWE, I. and GOBINA, E. 2015. Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes. Journal of materials science and chemical engineering [online], 3(9), pages 8-14. Available from: https://doi.org/10.4236/msce.2015.39002

The dip-coating method has been used to prepare silica membrane. The gas flow rate relationship with the gauge pressure showed a Knudsen type of mechanism of gas transport. The flux was found to decrease with respect to temperature indicating non-act... Read More about Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes..

Futuristic nanomaterials and composites: part I. (2015)
Journal Article
LEHMHUS, D., NJUGUNA, J. and PARAMSOTHY, M. 2015. Futuristic nanomaterials and composites: part I. JOM: journal of the Minerals, Metals and Materials Society [online], 67(12), pages 2844-2847. Available from: https://doi.org/10.1007/s11837-015-1619-x

The present special topic 'Futuristic Nanomaterials and Composites: Part I' captures the structural as well as functional aspects of nanomaterials and nanocomposites that are unique in some specific way when compared to their microscale counterparts.... Read More about Futuristic nanomaterials and composites: part I..

Optimisation of the performance of a novel rotationally asymmetrical optical concentrator design for building integrated photovoltaic system. (2015)
Journal Article
ABU-BAKAR, S.H., MUHAMMAD-SUKKI, F., FREIER, D., RAMIREZ-INIGUEZ, R., MALLICK, T.K., MUNIR, A.B., YASIN, S.H. M., MAS'UD, A.A. and YUNUS, N.M. 2015. Optimisation of the performance of a novel rotationally asymmetrical optical concentrator design for building integrated photovoltaic system. Energy [online], 90(Part 1), pages 1033-1045. Available from: https://doi.org/10.1016/j.energy.2015.07.133

Solar energy is one of the renewable energy sources that has shown promising potential in addressing the world's energy needs, particularly via the solar PV (photovoltaic) technology. However, the high cost of installation is still being considered a... Read More about Optimisation of the performance of a novel rotationally asymmetrical optical concentrator design for building integrated photovoltaic system..

High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream. (2015)
Journal Article
NWOGU, N.C., KAJAMA, M.A., ORAKWE, I. and GOBINA, E. 2015. High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream. Energy and power engineering [online], 7(9), pages 418-425. Available from: https://doi.org/10.4236/epe.2015.79040

With the objective to create technologically advanced materials to be scientifically applicable, dual-layer silica alumina membranes were molecularly fabricated by continuous surface coating silica layers containing hybrid material onto a ceramic por... Read More about High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream..

Hydrogen separation using Pt-alumina impregnated membrane. (2015)
Journal Article
KAJAMA, M.N., NWOGU, N.C., OKON, E.O., SHEHU, H., ORAKWE, I. and GOBINA, E. 2015. Hydrogen separation using Pt-alumina impregnated membrane. Energy and power engineering [online], 7(9), pages 412-417. Available from: https://doi.org/10.4236/epe.2015.79039

A tubular commercial mesoporous support was used to prepare a Pt impregnated membrane using the reservoir method and tested for moderate temperature (300 C) gas transport of hydrogen (H2), helium (He) and nitrogen (N2) gas molecules. H2 and N2 gas pe... Read More about Hydrogen separation using Pt-alumina impregnated membrane..

Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst. (2015)
Journal Article
GANESH BABU, S., VINOTH, R., SURYA NARAYANA, P., BAHNEMANN, D. and NEPPOLIAN, B. 2015. Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst. APL materials [online], 3(10), article number 104415. Available from: https://doi.org/10.1063/1.4928286

Herein, Cu2O spheres were prepared and encapsulated with reduced graphene oxide (rGO). The Cu2O–rGO–C3N4 composite covered the whole solar spectrum with significant absorption intensity. rGO-wrapped Cu2O loading caused a red shift in the absorption w... Read More about Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst..

A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane. (2015)
Journal Article
NWOGU, N.C., KAJAMA, M. and GOBINA, E. 2015. A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane. Composite structures [online], 134, pages 1044-1050. Available from: https://doi.org/10.1016/j.compstruct.2015.07.121

The purpose of this study is to investigate gas permeation behaviour of five gases (CO2, He, H2, N2 and Ar) across two silica modified ceramic membranes, Membrane Y and Membrane Z. An examination of the variations in their layer thickness and flow ra... Read More about A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane..

Failure prognostic schemes and database design of a software tool for efficient management of wind turbine maintenance. (2015)
Journal Article
SINHA, Y. and STEEL, J.A. 2015. Failure prognostic schemes and database design of a software tool for efficient management of wind turbine maintenance. Wind engineering [online], 39(4), pages 453-477. Available from: https://doi.org/10.1260/0309-524X.39.4.453

Wind Turbines require numerous and varied types of maintenance activities throughout their lifespan, the frequency of which increases with years in operation. At present the proportion of maintenance cost to the total cost for wind turbines is signif... Read More about Failure prognostic schemes and database design of a software tool for efficient management of wind turbine maintenance..

Numerical investigations on the effect of blade angles of a vertical axis wind turbine on its performance output. (2015)
Journal Article
PARK, K.-S., ASIM, T. and MISHRA, R. Numerical investigations on the effect of blade angles of a vertical axis wind turbine on its performance output. International journal of condition monitoring and diagnostic engineering management (COMADEM) [online], 18(3), pages 3-10. Available from: http://www.comadem.com/journal/past-issues/

There are many social, political and environmental issues associated with the use of fossil fuels. For this reason, there are numerous investigations currently being carried out to develop newer and renewable sources of energy to alleviate energy dem... Read More about Numerical investigations on the effect of blade angles of a vertical axis wind turbine on its performance output..

Fire safety analysis of a railway compartment using computational fluid dynamics. (2015)
Journal Article
ENBAYA, A., ASIM, T., MISHRA, R. and RAO, R.B.K.N. 2015. Fire safety analysis of a railway compartment using computational fluid dynamics. International journal of COMADEM [online] 18(3), pages 37-44. Available from: http://www.comadem.com/journal/past-issues/

Trains are considered to be the safest on land transportation for both passengers and cargo. Train accidents have been disastrous especially in case of fire, where the consequences results in loss of life and goods. The fire would generate smoke and... Read More about Fire safety analysis of a railway compartment using computational fluid dynamics..

Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes. (2015)
Journal Article
FERNANDEZ, C., HEGER, Z., KIZEK, R., RAMAKRISHNAPPA, T., BORUN, A. and FAISAL, N.H. 2015. Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes. International journal of electrochemical science [online], 10(9), pages 7440-7452. Available from: https://doi.org/10.1016/S1452-3981(23)17361-5

We present a sensitive, fast and unmodified sensor for the electrochemical detection of paracetamol. The electrochemical behaviours of paracetamol on screen printed graphene electrodes were investigated for the first time by cyclic voltammetry. The r... Read More about Pharmaceutical electrochemistry: the electrochemical oxidation of paracetamol and its voltammetric sensing in biological samples based on screen printed graphene electrodes..

An assessment of renewable energy readiness in Africa: case study of Nigeria and Cameroon. (2015)
Journal Article
MAS'UD, A.A., WIRBA, A.V., MUHAMMAD-SUKKI, F., MAS'UD, I.A., MUNIR, A.B., YUNUS, N.M. 2015. An assessment of renewable energy readiness in Africa: case study of Nigeria and Cameroon. Renewable and sustainable energy reviews [online], 51, pages 775-784. Available from: https://doi.org/10.1016/j.rser.2015.06.045

Africa is blessed with abundant energy sources that can promote economic growth and provide sufficient capacity to meet up with the future electricity demand. This paper evaluates the progress made in renewable energy (RE) development in Nigeria and... Read More about An assessment of renewable energy readiness in Africa: case study of Nigeria and Cameroon..

Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. (2015)
Journal Article
CRUICKSHANK, L., OFFICER, S., POLLARD, P., PRABHU, R., STUTTER, M. and FERNANDEZ, C. 2015. Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. Analytical sciences [online], 31(7), pages 623-627. Available from: https://doi.org/10.2116/analsci.31.623

This work presents for the first time the electrochemical determination of europium using cyclic voltammetry at gold electrodes modified with 2-pyridinol-1-oxide. A well-defined oxidation peak was observed in cyclic voltammetry as a result of the oxi... Read More about Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide..

Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane. (2015)
Journal Article
NWOGU, N., KAJAMA, M. and GOBINA, E. 2015. Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane. International journal of chemical, molecular, nuclear, materials and metallurgical engineering [online], 9(6), pages 674-677. Available from: http://scholar.waset.org/1999.2/10001660

Atmospheric carbon dioxide emissions are considered as the greatest environmental challenge the world is facing today. The tasks to control the emissions include the recovery of CO2 from flue gas. This concern has been improved due to recent advances... Read More about Performance evaluation of an inventive CO2 gas separation inorganic ceramic membrane..