All Outputs (93)

Developing a novel mechanistic model for four-phase oil-water-gas-sand stratified flow in a horizontal pipe. (2020)
Thesis
MORADI, B. 2020. Developing a novel mechanistic model for four-phase oil-water-gas-sand stratified flow in a horizontal pipe. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://openair.rgu.ac.uk

Presence of sand and solid particles in untreated petroleum sometime is inevitable. Although many techniques have been developed to prevent sand particles from entering the pipeline, such as downhole gravel packs, these downhole sand control devices... Read More about Developing a novel mechanistic model for four-phase oil-water-gas-sand stratified flow in a horizontal pipe..

A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria. (2020)
Journal Article
VILELA, M., OLUYEMI, G. and PETROVSKI, A. 2020. A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria. Decision making: applications in management and engineering [online], 3(2), pages 97-118. Available from: https://doi.org/10.31181/dmame2003097v

Classical decision and value of information theories have been applied in the oil and gas industry from the 1960s with partial success. In this research, we identify that the classical theory of value of information has weaknesses related with optima... Read More about A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria..

A fuzzy cooperative localisation framework for underwater robotic swarms. (2020)
Journal Article
SABRA, A. and FUNG, W.-K. 2020. A fuzzy cooperative localisation framework for underwater robotic swarms. Sensors [online], 20(19), article ID 5496. Available from: https://doi.org/10.3390/s20195496

This article proposes a holistic localisation framework for underwater robotic swarms to dynamically fuse multiple position estimates of an autonomous underwater vehicle while using fuzzy decision support system. A number of underwater localisation m... Read More about A fuzzy cooperative localisation framework for underwater robotic swarms..

Numerical investigations on the propagation of fire in a railway carriage. (2020)
Journal Article
CRAIG, M. and ASIM, T. 2020. Numerical investigations on the propagation of fire in a railway carriage. Energies [online], 13(19), article ID 4999. Available from: https://doi.org/10.3390/en13194999

In this study, advanced Computational Fluid Dynamics (CFD)-based numerical simulations have been performed in order to analyse fire propagation in a standard railway compartment. A Fire Dynamics Simulator (FDS) has been employed to mimic real world s... Read More about Numerical investigations on the propagation of fire in a railway carriage..

Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection. (2020)
Conference Proceeding
JOHNY, J., KARNIK, S. and PRABHU, R. 2020. Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 4th Counterterrorism, crime fighting, forensics, and surveillance technologies conference 2020, co-located with the Society of Photo-Optical Instrumentation Engineers (SPIE) Security and defence 2020 conference, 21-25 September 2020, [virtual conference]. Proceedings of the SPIE, 11542. Bellingham, WA: SPIE [online], article ID 115420Q. Available from: https://doi.org/10.1117/12.2574356

Trace detection and identification of hazardous volatile explosives has been a key challenge to the scientific community past many decades. Commercially available various analytical and spectroscopic techniques suffer from low sensitivity, swabbing o... Read More about Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection..

RGU role in energy transition. (2020)
Presentation / Conference
ALI, D. 2023. RGU role in energy transition. Presented at the 1st Robert Gordon University (RGU) Hydrogen-based energy transition webinar: towards a zero-carbon hydrogen-based energy economy 2020, 16 September 2020, [virtual event].

Robert Gordon University is contributing to the UK Energy Transition through delivering up-to-date accredited courses on Energy Transition Technologies to develop the needed skills. They also provide innovative focused solutions for enabling small an... Read More about RGU role in energy transition..

A strategic decision framework for a sustainable wastewater treatment and management in the oil producing region. (2020)
Journal Article
HASHIM, I.A., HAMMA-ADAMA, M. and SURENDRAN, S. 2020. A strategic decision framework for a sustainable wastewater treatment and management in the oil producing region. Civil and environmental research [online], 12(8), pages 35-61. Available from: https://doi.org/10.7176/CER/12-8-04

The study aimed to investigate how managing the growing water demand and wastewater production by treating and reclaiming Water from the Wastewater in Delta State. Mainly to carry out a comparative feasibility study and develop a decision support sys... Read More about A strategic decision framework for a sustainable wastewater treatment and management in the oil producing region..

Modeling and implementation of smart home and self-control window using FPGA and Petri Net. (2020)
Conference Proceeding
AJAO, L.A., AGAJO, J., UMAR, B.U., AGBOADE, T.T. and ADEGBOYE, M.A. 2020. Modeling and implementation of smart home and self-control window using FPGA and Petri Net. In Proceedings of 7th IEEE (Institute of Electrical and Electronics Engineers) PES/IAS (Power and Energy Society/Industrial Applications Society) PowerAfrica 2020 (IEEE PES/IAS PowerAfrical 2020): sustainable and smart energy revolutions for powering Africa, 25-28 August 2020, [virtual conference]. Piscataway: IEEE [online], article 9219925. Available from: https://doi.org/10.1109/PowerAfrica49420.2020.9219925

The function of the window is to provide comfort for the householders by regulating the indoor environment. However, most of the residence windows are still controlled manually. Although, a quite number of automated windows based on the Internet of T... Read More about Modeling and implementation of smart home and self-control window using FPGA and Petri Net..

The silver lining of COVID‐19: estimation of short‐term health impacts due to lockdown in the Yangtze River Delta region, China. (2020)
Journal Article
HUANG, L., LIU, Z., LI, H., WANG, Y., LI, Y., ZHU, Y., OOI, M.C.G., AN, J., SHANG, Y., ZHANG, D., CHAN, A. and LI, L. 2020. The silver lining of COVID-19: estimation of short-term health impacts due to lockdown in the Yangtze River Delta Region, China. GeoHealth [online], 4(9), e2020GH000272. Available from: https://doi.org/10.1029/2020gh000272

The outbreak of COVID-19 in China has led to massive lockdowns in order to reduce the spread of the epidemic and control human-to-human transmission. Subsequent reductions in various anthropogenic activities have led to improved air quality during th... Read More about The silver lining of COVID‐19: estimation of short‐term health impacts due to lockdown in the Yangtze River Delta region, China..

Solar cell with MXene electrode. (2020)
Patent
HE, J.-H., FU, H.-C., RAMALINGAM, V. and LIN, C.-H. 2020. Solar cell with MXene electrode. International patent application PCT/IB2020/051343. International publication number WO/2020/170131, published 27.08.2020. Available from: https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2020170131

A solar cell (100) includes a p-type silicon layer (105) having a first side and a second side and an n-type silicon layer (110) having a first side and a second side. The first side of the n-type silicon layer is arranged on the second side of the p... Read More about Solar cell with MXene electrode..

Single atom catalyst having a two dimensional support material. (2020)
Patent
HE, J.-H., RAMALINGAM, V., VARADHAN, P. and FU, H.-C. 2020. Single atom catalyst having a two dimensional support material. International patent application PCT/IB2020/051345. International publication number WO/2020/170132, published 27.08.2020. Available from: https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2020170132

A method for forming a single atom catalyst on a two-dimensional support material involves providing the two-dimensional support material. The two-dimensional support material is combined with at least two heteroatoms and a metal to form a solution.... Read More about Single atom catalyst having a two dimensional support material..

Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes. (2020)
Journal Article
AFOLABI, R.O., OLUYEMI, G.F., OFFICER, S. and UGWU, J.O. 2020. Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes. Journal of molecular liquids [online], 317, article ID 114142. Available from: https://doi.org/10.1016/j.molliq.2020.114142

Hydrophobic interactions are an inherent property of associative polymers which results in the formation of molecular aggregates. The loss of hydrophobic interactions under reservoir conditions have been reported, and this results in increased fluid... Read More about Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes..

Particle emission measurements in three scenarios of mechanical degradation of polypropylene-nanoclay nanocomposites. (2020)
Journal Article
BLAZQUEZ, M., MARCHANTE, V., GENDRE, L., STAROST, K., NJUGUNA, J., SCHUTZ, J.A., LACAVE, J.M., EGIZABAL, A., ELIZETXEA, C. and CAJARAVILLE, M.P. 2020. Particle emission measurements in three scenarios of mechanical degradation of polypropylene-nanoclay nanocomposites. Journal of aerosol science [online], 150, article ID 105629. Available from: https://doi.org/10.1016/j.jaerosci.2020.105629

Researchers and legislators have both claimed the necessity to standardize the exposure assessment of polymer nanocomposites throughout their life cycle. In the present study we have developed and compared three different and independent operational... Read More about Particle emission measurements in three scenarios of mechanical degradation of polypropylene-nanoclay nanocomposites..

A new active power controller in dual active bridge DC-DC converter with a minimum-current-point-tracking technique. (2020)
Journal Article
HEBALA, O.M., ABOUSHADY, A.A., AHMED, K.H., ABDELSALAM, I. and BURGESS, S.J. 2021. A new active power controller in dual active bridge DC-DC converter with a minimum-current-point-tracking technique. IEEE journal of emerging and selected topics in power electronics [online], 9(2), pages 1328-1338. Available from: https://doi.org/10.1109/jestpe.2020.3016771

This article proposes a new controller for power regulation in dual active bridge (DAB) dc-dc converter based on a new scheme that tracks minimum RMS current to ensure minimum losses. The proposed controller is based on an implementation of perturb a... Read More about A new active power controller in dual active bridge DC-DC converter with a minimum-current-point-tracking technique..

Lightweight, affordable, low power solar groundwater piston pump for rural remote regions. (2020)
Thesis
AZEEM UDDIN, A.I. 2020. Lightweight, affordable, low power solar groundwater piston pump for rural remote regions. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1254576

Solar photovoltaic powered groundwater pumping systems (SPWPS) are popular way of fetching water from boreholes in semi-arid areas in rural remote regions of most developing countries, where commercial water and electricity supply is out of reach. As... Read More about Lightweight, affordable, low power solar groundwater piston pump for rural remote regions..

Electroencephalogram (EEG) human stress level classification based on theta/beta ratio. (2020)
Journal Article
WEN, T.Y., BANI, N.A., MUHAMMAD-SUKKI, F. and MOHD-ARIS, S.A. 2020. Electroencephalogram (EEG) human stress level classification based on theta/beta ratio. International journal of integrated engineering [online], 12(6): electrical and electronic engineering, pages 174-180. Available from: https://doi.org/10.30880/ijie.2020.12.06.020

Stress analysis by utilizing electroencephalography (EEG) device in conjunction with signal processing techniques has emerged as an important area of research and the efforts are being made on detecting and classifying stress level. Non-invasive EEG... Read More about Electroencephalogram (EEG) human stress level classification based on theta/beta ratio..

Oil-based mud waste reclamation and utilisation in low-density polyethylene composites. (2020)
Journal Article
SIDDIQUE, S., YATES, K., MATTHEWS, K., CSETENYI, L.J. and NJUGUNA, J. 2020. Oil-based mud waste reclamation and utilisation in low-density polyethylene composites. Waste management and research [online], 38(12), pages 1331-1344. Available from: https://doi.org/10.1177/0734242X20941076

Oil-based mud (OBM) waste from the oil and gas exploration industry can be valorised to tailor-made reclaimed clay-reinforced low-density polyethylene (LDPE) nanocomposites. This study aims to fill the information gap in the literature and to provide... Read More about Oil-based mud waste reclamation and utilisation in low-density polyethylene composites..

Upgrading biogas to biomethane by use of nano-structured ceramic membranes. (2020)
Journal Article
OGUNLUDE, P., ABUNUMAH, O., ORAKWE, I., SHEHU, H., MUHAMMAD-SUKKI, F. and GOBINA, E. 2020. Upgrading biogas to biomethane by use of nano-structured ceramic membranes. Detritus [online], 12, pages 73-77. Available from: https://doi.org/10.31025/2611-4135/2020.13996

In order to meet the demands of growing economies while considering environmental implications, the use of clean and renewable sources of energy has increasingly become of interest. Biogas utilisation is a means by which these rising needs can be met... Read More about Upgrading biogas to biomethane by use of nano-structured ceramic membranes..

Sensitivity analysis applied to fuzzy inference on the value of information in the oil and gas industry. (2020)
Journal Article
VILELA, M., OLUYEMI, G. and PETROVSKI, A. 2020. Sensitivity analysis applied to fuzzy inference on the value of information in the oil and gas industry. International journal of applied decision sciences [online], 13(3), pages 344-362. Available from: https://doi.org/10.1504/IJADS.2020.10026404

Value of information is a widely accepted methodology for evaluating the need to acquire new data in the oil and gas industry. In the conventional approach to estimating the value of information, the outcomes of a project assessment relate to the dec... Read More about Sensitivity analysis applied to fuzzy inference on the value of information in the oil and gas industry..

Local multiphase flow characteristics of a severe-service control valve. (2020)
Journal Article
SINGH, D., ALIYU, A.M., CHARLTON, M., MISHRA, R., ASIM, T. and OLIVEIRA, A.C. 2020. Local multiphase flow characteristics of a severe-service control valve. Journal of petroleum science and engineering [online], 195, article ID 107557. Available from: https://doi.org/10.1016/j.petrol.2020.107557

For safety-critical industrial applications, severe-service valves are often used, and the conditions during operations can be either single phase or multiphase. The design requirements for valves handling multiphase flows can be very different to th... Read More about Local multiphase flow characteristics of a severe-service control valve..