Browsing by Author "Centre for Climate Change Research (C3R)"

Now showing items 1-20 of 554

    • 0.6 Tb/s-km multimode fibre feasibility - Experimant using 40 channel DWDM over Quadrature-Subcarrier channels 

      Kourtessis, P.; Quinlan, T.; Rochat, E.; Walker, S.D.; White, I.H.; Penty, R.V.; Parker, M.C. (2002-07)

    • A 100 kpc inverse Compton x-ray halo around 4C 60.07 at z = 3.79 

      Smail, I.; Lehmer, B.D.; Ivison, R.J.; Alexander, D.M.; Bower, R.; Stevens, J. A.; Geach, James; Scharf, C.; Coppin, Kristen; van Breugel, W. (2009)
      We analyze a 100 ks Chandra observation of the powerful radio galaxy, 4C 60.07 at z = 3.79. We identify extended X-ray emission with L X ~ 1045 erg s–1 across a ~90 kpc region around the radio galaxy. The energetics of ...

    • The 2022–2023 accretion outburst of the young star V1741 Sgr 

      Kuhn, Michael; Hillenbrand, Lynnee A.; Connelley, Michael S.; Rich, R. Michael; Staels, Bart; Carvalho, Adolfo S.; Lucas, Philip; Fremling, Christoffer; Karambelkar, Viraj R.; Lee, Ellen; Ahumada, Tomás; Ishida, Emille E.~O.; De, Kishalay; de Souza, Rafael S.; Kasliwal, Mansi M. (2024-04-01)
      V1741 Sgr (= SPICY 71482/Gaia22dtk) is a Classical T Tauri star on the outskirts of the Lagoon Nebula. After at least a decade of stability, in mid-2022, the optical source brightened by ∼3 mag over 2 months, remained ...

    • 3D printing of PEEK and its composite to increase biointerfaces as a biomedical material - A review 

      Oladapo, B. I.; Zahedi, S. A.; Ismail, S. O.; Omigbodun, F. T. (2021-07-01)
      Poly ether-ether-ketone (PEEK) is a polymer with better lignin biocompatibility than other polymers. It is good for biomedical engineering applications. This research summarises the outcomes of an evaluation conducted on ...

    • 3D printing of PEEK–cHAp scaffold for medical bone implant 

      Oladapo, B. I.; Zahedi, S. A.; Ismail, S. O.; Omigbodun, F. T.; Oluwole, B.; Olawumi, M. A.; Muhammad, M. A. (2020-10-21)
      The major drawback associated with PEEK implants is their biologically inert surface, which caused unsatisfactory cellular response and poor adhesion between the implants and surrounding soft tissues against proper bone ...

    • 3D‑printed biomimetic bone implant polymeric composite scaffolds 

      Bankole, O.; Zahedi, Abolfazl; Ismail, S.; Fernando, W.; Ikumapayi, O. (2023-04-14)
      This research introduced a new poly-ether-ether-ketone calcium hydroxyapatite (PEEK-cHAp) composite for a convenient, fast, and inexpensive femur bone-implant scaffold with different lattice structures to mimic natural ...

    • 4D Printing of Nanostructure Modified Shape Memory Polymer Composites 

      Oladapo, B. I.; Ismail, S. O.; Omigbodun, F. T.; Oluwole, B.; Olawumi, M. A.; Samad , Y. A. (Springer Nature, 2022-05-19)
      Four-dimensional (4D) printing and nanostructure have introduced the possibility of having systems for self-assembly, self-healing, and material properties changes. Layered printing allows creating compound and complex ...

    • 4D printing: Pragmatic progression in biofabrication 

      Sonatkar, J.; Kandasubramanian, B.; Ismail, S. O. (2022-04-15)
      Progress in three-dimensional (3D) printing of shape memory polymers (SMPs) has produced dynamic and 3Dprinted assemblies that can be shaped fast and modified for specific and multifaceted designs. Technology, biochemistry, ...

    • Activity pattern and personal exposure to nitrogen dioxide in indoor and outdoor microenvironments 

      Kornartit, C.; Sokhi, R.S.; Burton, Agneta; Ravindra, K. (2010-01)
      People are exposed to air pollution from a range of indoor and outdoor sources. Concentrations of nitrogen dioxide (NO2), which is hazardous to health, can be significant in both types of environments. This paper reports ...

    • Addressing Behavioural Safety Concerns on Qatari Mega Projects 

      Ajayi, S.O.; Adegbenro, O.O.; Alaka, Hafiz; Oyegoke, A.S.; Manu, P.A. (2021-09-01)
      This study explores the behavioural safety measures for addressing accidents on Qatar mega projects which are infamous for their high rates of accidents and fatality. Using extant literature and brainstorming as sources ...

    • Advanced PON topologies with wireless connectivity 

      Milosavljevic, M.; Kourtessis, P.; Gliwan, A.; Senior, J.M. (Institute of Electrical and Electronics Engineers (IEEE), 2009)
      The interoperability of wireless and PON networking solutions is investigated to reduce deployment expenditure by means of centralised network management while providing ubiquitous access connections and mobility. Network ...

    • Advanced thermal management system driven by phase change materials for power lithium-ion batteries: A review 

      Zhang, Jiangyun; Shao, Dan; Jiang, Liqin; Zhang, Guoqing; Wu, Hongwei; Day, Rodney; Jiang, Wenzhao (2022-05-01)
      Power lithium-ion batteries are widely utilized in electric vehicles (EVs) and hybrid electric vehicles (HEVs) for their high energy densities and long service-life. However, thermal safety problems mainly resulting from ...

    • Advances in air quality research – current and emerging challenges 

      Sokhi, Ranjeet; Moussiopoulos, Nicolas; Baklanov, Alexander; Bartzis, John; Coll, Isabelle; Finardi, Sandro; Friedrich, Rainer; Geels, Camilla; Grönholm, Tia; Halenka, Tomas; Ketzel, Matthias; Maragkidou, Androniki; Matthias, Volker; Moldanova, Jana; Ntziachristos, Leonidas; Schäfer, Klaus; Suppan, Peter; Tsegas, George; Carmichael, Greg; Franco, Vicente; Hanna, Steve; Jalkanen, Jukka-Pekka; . Velders, Guus J. M.; Kukkonen, Jaakko (2022-04-11)
      This review provides a community’s perspective on air quality research focusing mainly on developmentsover the past decade. The article provides perspectives on current and future challenges as well asresearch needs for ...

    • Advantages and disadvantages of reciprocal peer-to-peer interviewing 

      Payne-Gifford, Sophie; Brueton, Rebecca; Hamilton, Gemma; Clark, Tessa; Chang, Yan-Shing; Gang, Parenting Science (2021)
      The advantages and disadvantages of reciprocal peer-to-peer interviewing as a data collection approachare presented in this paper. Reciprocal peer-to-peer interviewing is a research technique whereparticipants interview ...

    • AGN candidates in the VVV near-IR galaxy catalogue 

      Baravalle, Laura D.; Schmidt, Eduardo O.; Alonso, M. Victoria; Pichel, Ana; Minniti, Dante; Rodríguez-Kamenetzky, Adriana R.; Masetti, Nicola; Villalon, Carolina; Smith, Leigh C.; Lucas, Philip W. (2023-04-30)
      The goal of this work is to search for Active Galactic Nuclei (AGN) in the Galactic disc at very low latitudes with |b|< 2°. For this, we studied the five sources from the VVV near-infrared (IR) galaxy catalogue that have ...

    • Air Pollution Prediction using Machine Learning: A Review 

      Sulaimon, Ismail; Alaka, Hafiz; Olu-Ajayi, Razak; Ahmad, Mubashir; Sunmola, Funlade; Ajayi, Saheed; Hye, Abdul (Obafemi Awolowo University, Ile-Ife, 2021-07-08)
      In the effort to achieve accurate air pollution predictions, researchers have contributedvarious methodologies with varying data and different approaches that can be judgedaccurate in their respective contexts. Diverse ...

    • Aircraft Ice Accretion Prediction Using Neural Network and Wavelet Packet Transform 

      Chang, S; Leng, M; Wu, Hongwei; Thompson, J.M. (2016-01-04)
      Purpose – The purpose of this paper is to present a new technique based on the combination of wavelet packet transform (WPT) and artificial neural networks (ANNs) for predicting the ice accretion on the surface of an ...

    • Algorithms are designing better buildings 

      Carta, Silvio (2020-06-18)
      Today, computers are poised to change buildings once again, this time with algorithms that can inform, refine and even create new designs. Even weirder shapes are just the start: algorithms can now work out the best ways ...

    • An ALMA survey of the S2CLS UDS field: optically invisible submillimetre galaxies 

      Smail, Ian; Dudzevičiūtė, U.; Stach, S. M.; Almaini, O.; Birkin, J. E.; Chapman, S. C.; Chen, Chian-Chou; Geach, J. E.; Gullberg, B.; Hodge, J. A.; Ikarashi, S.; Ivison, R. J.; Scott, D.; Simpson, Chris; Swinbank, A. M.; Thomson, A. P.; Walter, F.; Wardlow, J. L.; Werf, P. van der (2021-04-01)
      We analyse a robust sample of 30 near-infrared-faint (KAB > 25.3, 5σ) submillimetre galaxies (SMGs) selected from a 0.96 deg2 field to investigate their properties and the cause of their faintness in optical/near-infrared ...

    • An ALMA survey of the SCUBA-2 Cosmology Legacy SurveyUKIDSS/UDS Field : Halo Masses for Submillimetre Galaxies 

      Stach, S. M.; Smail, I.; Amvrosiadis, A.; Swinbank, A. M.; Dudzevičiūtė, U.; Geach, J. E.; Almaini, O.; Birkin, J. E.; Chen, Chian-Chou; Conselice, C. J.; Cooke, E. A.; Coppin, K. E. K.; Dunlop, J. S.; Farrah, D.; Ikarashi, S.; Ivison, R. J.; Wardlow, J. L. (2021-03-10)
      We present an analysis of the spatial clustering of a large sample of high-resolution, interferometically identified, submillimetre galaxies (SMGs). We measure the projected cross-correlation function of ~350 SMGs in the ...