All Outputs (93)

Improvement to hydrocyclone used in separating particles from produced water in the oil and gas industry. (2020)
Thesis
ADEWOYE, A.J. 2020. Improvement to hydrocyclone used in separating particles from produced water in the oil and gas industry. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1357822

Hydrocyclone is used to separate particles from produced water. It can be used in different industries, including oil and gas, water treatment and pharmaceutical (among others). The hydrocyclone can effectively separate particles larger than 10μm, bu... Read More about Improvement to hydrocyclone used in separating particles from produced water in the oil and gas industry..

Computational fluid dynamics (CFD) transient pressure and temperature simulation of a natural gas–hydrogen gas blend transportation pipeline. (2020)
Journal Article
UMUTEME, O.M. 2020. Computational fluid dynamics (CFD) transient pressure and temperature simulation of a natural gas–hydrogen gas blend transportation pipeline. International journal of innovative research and development [online], 9(6), pages 112-116. Available from: https://doi.org/10.24940/ijird/202/v9/i6/JUN20056

The need for a CFD exploratory investigation into the possible effect of hydrogen injection into existing natural gas pipeline network, was the driver for this study. Recent technical feasibility reports on transporting a blend of both gases (JIR, 20... Read More about Computational fluid dynamics (CFD) transient pressure and temperature simulation of a natural gas–hydrogen gas blend transportation pipeline..

Citric acid crosslinked natural bi-polymer-based composite hydrogels: effect of polymer ratio and beta-cyclodextrin on hydrogel microstructure. (2020)
Journal Article
UYANGA, K. A., OKPOZO, O. P., ONYEKWERE, O. S., and DAOUD, W. A. 2020. Citric acid crosslinked natural bi-polymer-based composite hydrogels: effect of polymer ratio and beta-cyclodextrin on hydrogel microstructure. Reactive and functional polymers [online], 154, article ID 104682. Available from: https://doi.org/10.1016/j.reactfunctpolym.2020.104682

Composite hydrogels based on natural polymers arouse interest as sustainable matrices for the delivery of bioactive materials. This study investigates the possibility of achieving high thermally and hydrolytically stable, well-defined microstructure... Read More about Citric acid crosslinked natural bi-polymer-based composite hydrogels: effect of polymer ratio and beta-cyclodextrin on hydrogel microstructure..

Uncertainty reduction in reservoir parameters prediction from multiscale data using machine learning in deep offshore reservoirs. (2020)
Thesis
ARIGBE, O.D. 2020. Uncertainty reduction in reservoir parameters prediction from multiscale data using machine learning in deep offshore reservoirs. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Developing a complete characterization of reservoir properties involved in subsurface multiphase flow is a very challenging task. In most cases, these properties - such as porosity, water saturation, permeability (and their variants), pressure, wetta... Read More about Uncertainty reduction in reservoir parameters prediction from multiscale data using machine learning in deep offshore reservoirs..

Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process. (2020)
Thesis
STAROST, K.J. 2020. Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Polymer nanocomposites are becoming established widely across the industry due to (among other reasons) their lightweight performance advantages, and ability to meticulously target material properties with great control and precision. Despite the ben... Read More about Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process..

State switching in multi-stable systems: control and optimisation. (2020)
Thesis
LIU, B. 2020. State switching in multi-stable systems: control and optimisation. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

This thesis studies state-switching in multistable systems, so that they can switch from inefficient operating states to a more efficient one, in order to achieve performance enhancement in real-life engineering systems. Multistable systems have more... Read More about State switching in multi-stable systems: control and optimisation..

The influence of leadership career development on the organizational adaptiveness of millennial engineers in the Nigerian oil and gas industry. (2020)
Journal Article
UMUTEME, O.M. 2020. The influence of leadership career development on the organizational adaptiveness of millennial engineers in the Nigerian oil and gas industry. The international journal of humanities and social studies [online], 8(6), pages 329-337. Available from: https://doi.org/10.24940/theijhss/2020/v8/i6/HS2006-061

Introduction: This study seeks to assess the attitude of millennial engineers towards leadership career development opportunities in the oil and gas industry in Nigeria. It was conducted based on the gap in the literature of none existence of a frame... Read More about The influence of leadership career development on the organizational adaptiveness of millennial engineers in the Nigerian oil and gas industry..

A novel research approach for whole-life-cycle electrical power systems asset management using retroductive case study method. (2020)
Journal Article
BRUINERS, J., NJUGUNA, J. and AGARWAL, A. 2020. A novel research approach for whole-life-cycle electrical power systems asset management using retroductive case study method. Innovative energy and research [online], 9(2), article number 1000234. Available from: https://www.omicsonline.org/open-access/a-novel-research-approach-for-wholelifecycle-electrical-power-systems-asset-management-using-retroductive-case-study-met.pdf

There are a vast number of complex influences on power systems assets both individually and as a collection of systems of assets. The complexities when governing what and when to intervene with these assets is played out over varying time frames and... Read More about A novel research approach for whole-life-cycle electrical power systems asset management using retroductive case study method..

Life cycle assessment of a rotationally asymmetrical compound parabolic concentrator (RACPC). (2020)
Journal Article
ZAWADZKI, P., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., BANI, N.A., MAS'UD, A.A., ARDILA-REY, J.A. and MUNIR, A.B. 2020. Life cycle assessment of a rotationally asymmetrical compound parabolic concentrator (RACPC). Sustainability [online], 12(11), article ID 4750. Available from: https://doi.org/10.3390/su12114750

Integrating a concentrator into the building integrated photovoltaic (BIPV) design has resulted in a new technology known as the building integrated concentrating photovoltaic (BICPV). The rotationally asymmetrical compound parabolic concentrator (RA... Read More about Life cycle assessment of a rotationally asymmetrical compound parabolic concentrator (RACPC)..

Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures. (2020)
Journal Article
SURI, Y. ISLAM, S.Z. and HOSSAIN, M. 2020. Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures. Journal of natural gas science and engineering [online], 80, article ID 103401. Available from: https://doi.org/10.1016/j.jngse.2020.103401

The effect of fracture roughness is investigated on proppant transport in hydraulic fractures using Joint Roughness Coefficient and a three-dimensional multiphase modelling approach. The equations governing the proppant transport physics in the fract... Read More about Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures..

Insulating MgO–Al2O3–LDPE nanocomposites for offshore medium-voltage DC cables. (2020)
Journal Article
GUPTA, R., SMITH, L., NJUGUNA, J., DEIGHTON, A. and PANCHOLI, K. 2020. Insulating MgO–Al2O3–LDPE nanocomposites for offshore medium-voltage DC cables. ACS applied electronic materials [online], 2(7), pages 1880-1891. Available from: https://doi.org/10.1021/acsaelm.0c00052

A polymer–metal oxide nanocomposite is a key in developing a high-temperature insulation material for power electronics and high-voltage direct current (HVDC) and medium-voltage direct current (MVDC) subsea cables having the capability of transmittin... Read More about Insulating MgO–Al2O3–LDPE nanocomposites for offshore medium-voltage DC cables..

The influence of graphene oxide on nanoparticle emissions during drilling of graphene/epoxy carbon-fiber reinforced engineered nanomaterials. (2020)
Journal Article
STAROST, K. and NJUGUNA, J. 2020. The influence of graphene oxide on nanoparticle emissions during drilling of graphene/epoxy carbon-fiber reinforced engineered nanomaterials. Atmosphere [online], 11(6), article number 573. Available from: https://doi.org/10.3390/atmos11060573

Graphene oxide (GO) nanoparticles are increasingly being used to tailor industrial composites. However, despite the advantages, GO has shown conceivable health risks and toxicity to humans and the environment if released. This study investigates the... Read More about The influence of graphene oxide on nanoparticle emissions during drilling of graphene/epoxy carbon-fiber reinforced engineered nanomaterials..

Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach. (2020)
Journal Article
SURI, Y., ISLAM, S.Z. and HOSSAIN, M. 2020. Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach. International journal of rock mechanics and mining sciences [online], 131, article ID 104356. Available from: https://doi.org/10.1016/j.ijrmms.2020.104356

Numerically modelling the fluid flow with proppant transport and fracture propagation together are one of the significant technical challenges in hydraulic fracturing of unconventional hydrocarbon reservoirs. The existing models either model the prop... Read More about Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach..

Renewable energy performance of the green buildings: key-enabler on useful consumption yield. (2020)
Journal Article
AMRAN, M.E., MUHTAZARUDDIN, M.N., KAMARUDDIN, S.A., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., AYUB, A.S., BANI, N.A., SAUDI, A.S.M. and ARDILA-REY, J.A. 2020. Renewable energy performance of the green buildings: key-enabler on useful consumption yield. IEEE access [online], 8, pages 95747- 95767. Available from: https://doi.org/10.1109/ACCESS.2020.2996573

Malaysia’s Eleventh Plan started to encourage green building developments and green industries to stimulate green growth. Eventually, the Malaysian government had launched a new commitment to accelerate the green and efficient energy sector and revis... Read More about Renewable energy performance of the green buildings: key-enabler on useful consumption yield..

Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach. [Dataset] (2020)
Dataset
ISLAM, S., HOSSAIN, M. and SURI, Y. 2020. Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach. [Dataset]. Hosted on Mendeley Data [online]. Available from: https://doi.org/10.17632/sdzxzd9krm.1

The aim of this research was to find a dynamic and integrated numerical model that uses computational fluid dynamics (CFD) technique to model the fluid flow with proppant transport and Extended finite element method (XFEM) to model the fracture propa... Read More about Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach. [Dataset].

Microwave irradiation synthesis and characterization of reduced-(graphene oxide-(polystyrene-polymethyl methacrylate))/silver nanoparticle nanocomposites and their anti-microbial activity. (2020)
Journal Article
ALDOASRI, M.A., ALSAUD, K.B.B., OTHMAN, A., AL-HINDAWI, M., FAISAL, N.H., AHMED, R., MICHAEL, F.M., KRISHNAN, M.R. and ALSHARAEH, E. 2020. Microwave irradiation synthesis and characterization of reduced-(graphene oxide-(polystyrene-polymethyl methacrylate))/silver nanoparticle nanocomposites and their anti-microbial activity. Polymers [online], 12(5), article ID 1155. Available from: https://doi.org/10.3390/polym12051155

Herein, we report a facile process for the preparation of styrene and methyl-methacrylate copolymer nanocomposites containing reduced graphene oxide and silver nanoparticles ((R-(GO-(PS-PMMA))/AgNPs)) by using (i) microwave irradiation (MWI) to obtai... Read More about Microwave irradiation synthesis and characterization of reduced-(graphene oxide-(polystyrene-polymethyl methacrylate))/silver nanoparticle nanocomposites and their anti-microbial activity..

MUCO-DIS: a new AFM-based nanoscale dissolution technique. (2020)
Journal Article
GHORI, M.U., NIRWAN, J.S., ASIM, T., CHAHID, Y., FARHAJ, S., KHIZER, Z., TIMMINS, P. and CONWAY, B.R. 2020. MUCO-DIS: a new AFM-based nanoscale dissolution technique. AAPS PharmSciTech [online], 21(5), article ID 142. Available from: https://doi.org/10.1208/s12249-020-01697-x

Mucoadhesion-based drug delivery systems have recently gained interest because of their bio-adhesion capability, which results in enhanced residence time leading to prolonged duration of action with the mucosal surface, potentially improving complian... Read More about MUCO-DIS: a new AFM-based nanoscale dissolution technique..

Incorporating Intelligence in Fish Feeding System for Dispensing Feed Based on Fish Feeding Intensity (2020)
Journal Article
ADEGBOYE, M.A., AIBINU, A.M., KOLO, J.G., ALIYU, I., FOLORUNSO, T.A. and LEE, S.-H. 2020. Incorporating intelligence in fish feeding system for dispensing feed based on fish feeding intensity. IEEE access [online], 8, pages 91948-91960. Available from: https://doi.org/10.1109/ACCESS.2020.2994442

The amount of feed dispense to match fish appetite plays a significant role in increasing fish cultivation. However, measuring the quantity of fish feed intake remains a critical challenge. To addressed this problem, this paper proposed an intelligen... Read More about Incorporating Intelligence in Fish Feeding System for Dispensing Feed Based on Fish Feeding Intensity.

Air quality changes during the COVID-19 lockdown over the Yangtze River Delta Region: an insight into the impact of human activity pattern changes on air pollution variation. [Dataset] (2020)
Dataset
LI, L., LI, Q., HUANG, L., WANG, Q., ZHU, A., XU, J., LIU, Z., LI, H., SHI, L., LI, R., AZARI, M., WANG, Y., ZHANG, X., LIU, Z., ZHU, Y., ZHANG, K., XUE, S., OOI, M.C.G., ZHANG, D. and CHAN, A. 2020. Air quality changes during the COVID-19 lockdown over the Yangtze River Delta region: an insight into the impact of human activity pattern changes on air pollution variation. [Dataset]. Science of the total environment [online], 732, article 139282. Available from: https://doi.org/10.1016/j.scitotenv.2020.139282

At the end of the year 2019, the tragic coronavirus 2019 (COVID-19) pandemic occurred (Tian et al., 2020; Wang et al., 2020a) which has caused over 2.95 million global infections and 1931,000 deaths as of this writing (28th April 2020). Moreover the... Read More about Air quality changes during the COVID-19 lockdown over the Yangtze River Delta Region: an insight into the impact of human activity pattern changes on air pollution variation. [Dataset].

Toolpath algorithm for free form irregular contoured walls / surfaces with internal deflecting connections. (2020)
Journal Article
ARIVAZHAGAN, A. 2020. Toolpath algorithm for free form irregular contoured walls/surfaces with internal deflecting connections. Materials today: proceedings [online], 22(4): proceedings of 2nd International materials, manufacturing and modelling conference 2019 (ICMMM 2019), 29-31 March 2019, Vellore, India, pages 3037-3047. Available from: https://doi.org/10.1016/j.matpr.2020.03.439

This paper presents a toolpath generation method to efficiently machine free form irregular contoured walls / surfaces (FIWS) containing internal deflecting connections (IDC’s). The toolpath generation method is based on a series of identifications a... Read More about Toolpath algorithm for free form irregular contoured walls / surfaces with internal deflecting connections..