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Experimental investigation of aerosols removal efficiency through self-priming venturi scrubber
Suhail Ali,Khalid Waheed,Kamran Qureshi,Naseem Irfan,Masroor Ahmed,Waseem Siddique,Amjad Farooq 한국원자력학회 2020 Nuclear Engineering and Technology Vol.52 No.10
Self-priming venturi scrubber is one of the most effective devices used to collect aerosols and soluble gas pollutants from gaseous stream during severe accident in a nuclear power plant. The present study focuses on investigation of dust particle removal efficiency of the venturi scrubber both experimentally and theoretically. Venturi scrubber captures the dust particles in tiny water droplets flowing into it. Inertial impaction is the main mechanism of particles collection in venturi scrubber. The water injected into venturi throat is in the form of jets through multiple holes present at venturi throat. In this study, aerosols removal efficiency of self-priming venturi scrubber was experimentally measured for different operating conditions. Alumina (Al2O3) particles with 0.4-μm diameter and 3950 kg/m3 density were treated as aerosols. Removal efficiency was calculated for different gas flow rates i.e. 3-6 m3/h and liquid flow rates i.e. 0.009–0.025 m3/h. Experimental results depict that aerosols removal efficiency increases with the increase in throat velocity and liquid head. While at lower air flow rate of 3 m3/h, removal efficiency decreases with the increase in liquid head. A theoretical model of venturi scrubber was also employed and experimental results were compared with mathematical model. Experimental results are found to be in good agreement with theoretical results.
Communication Management of Large Projects in Big Data Environment
Suhail Memon,Wang Changfeng,Shahid Rasheed,Zulfiqar Hussain Pathan,QiuYixin,Liu Yanping 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.11
The purpose of this paper is to provide a model for communication in large scale projects in Big Data environment. Given the fact that Big Data is going to be part of every business organization very soon, this study aims to present a new communication management strategy in order to accommodate the change in technology of data base storage systems. The complex large projects always emerge with different modes and have different attributes for processing the data. In this model different data sources of a large scale project are connected to the enterprise data ware house using Information Inference Framework (IIF). This new approach may provide an enhanced way of communication management for activities in large scale projects.
Suhail Mubarak,DURAISAMI DHAMODHAR-AN,Hun-Soo Byun,Deepak K. Pattanayak,S.B. Arya 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.113 No.-
Global warming and adverse climate change, which have been intensified by a strident increase in carbondioxide (CO2) emissions, have necessitated the development of alternative techniques to reduce the disproportionateconcentration of CO2 in the atmosphere. The photoelectrochemical reduction of CO2 is atechnique of lowering the energy required to convert greenhouse gases into useful end products. Herein, we have manufactured an innovative, cost-effective silver (Ag) decorated anatase TiO2 (TOAgx;‘x’ stands for different concentration of Ag) nanoparticles which created on the 3D nanoporousstructured surface of a thin titanium foil (Ti-foil) by the assist of chemical treatment with hydrogen peroxide(H2O2) and different concentrations (1, 5, 10, 20 mM) of silver nitrate (AgNO3) solution and followedby calcination at 500 C. As-prepared samples were analyzed by several characterizationtechniques such as XRD, XPS, TEM and Raman spectroscopy. Among various samples (TO, TO-Ag1, TOAg5,TO-Ag20), the TO-Ag10 sample were exposed a supreme photocurrent density of 83.2 lA/cm2(86.1% higher than TO sample which is untreated with AgNO3 solution). Because of its high photocurrentdensity, the sample TO-Ag10 were selected as the electrode material for photoelectrochemical CO2 reductionreaction and a lowest reduction onset potential (1.018 V) was observed on linear sweep voltammetryanalysis in the presence of light with Ag/AgCl reference electrode. 1H NMR analysis of the productsolution exposed the production of formic acid as a single product of CO2 reduction reaction after thechronoamperometric electrolysis were carried out more than 6 h. The maximum faradaic efficiency(73%) and formic acid yield (193 lmol cm2 h1) were found at an applied potential of 1.2 V(vs. Ag/AgCl reference electrode) for TO-Ag10 photocathode.
Adoption of Big Data Technologies for Communication Management in Large Projects
Suhail Memon,Wang Changfeng,Shahid Rasheed,Zulfiqar Hussain Pathan,Sehrish Khan Saddozai,QiuYixin,Liu Yanping 보안공학연구지원센터 2016 International Journal of Future Generation Communi Vol.9 No.10
Big data introduced several novel opportunities for many organizations worldwide. Big data technologies are now available for businesses of all scales and the organizations are adopting them increasingly to capitalize on various business gains. In this era of growing projects globally, big data is not only assisting in information exchange but also bringing convenience for communication management in large scale projects. This study assesses the level of awareness of communication management professionals regarding Big Data technologies and analyzes the contribution of different factors responsible for the rate of adoption of big data technologies for communication management in large projects. The study is based on online surveys and interviews of different organizations and the academia. The findings show that, among others, fear of job loss is a major hindrance while the enhanced information mobility is the major accelerator towards the adoption of big data technologies for communication management. It further establishes that unawareness of the professionals towards big data technologies plays a negative role in their acceptance.
Robotic Lateral Pelvic Lymph Node Dissection: Description of A Technique
Suhail Abdullah Alturkistani,Alanoud Mohammed Alghanem,이인규 대한내시경복강경외과학회 2020 Journal of Minimally Invasive Surgery Vol.23 No.2
Different surgical approaches have been reported in the management of lateral pelvic lymph node dissection (LPND) including open, laparoscopic and robotic 1. Since the introduction of Da Vinci robotic system in the early 2000s. It has been useful for more meticulous dissection of deep and narrow spaces and easier to gain access. In this article we describe our approach using the Da Vinci Xi robotic system in LPND and with a supplementary video.
Need for High Temperature Nuclear Data Library for LWR Design Computations
Suhail Ahmad Khan,V. JAGANNATHAN,Usha Pal,R. Karthikeyan,Argala Srivastava 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
WIMS Library Update Project (WLUP) was taken up by the IAEA for updating the nuclear cross section data libraries. The 172 group WIMS libraries (45 fast, 47 resonance groups and 80 thermal) obtained under WLUP are used for reactor physics computations. These libraries have cross section data for 173 nuclides up to ^(244)Cm. Resonance Integral Tabulation (RIT) data for 28 resonant nuclides are provided for a set of background cross sections and temperature values up to 1100 ˚K. In the reactor design computations, one requires simulation of reactor states with fuel temperatures reaching nearly up to melting point of 2800 ℃ for UO_2 fuel. While using deterministic codes for high temperature calculation beyond 1100 ˚K, a linear extrapolation w.r.t. √T_(fuel) is normally done. This is not quite satisfactory since even a small error in the slope near the highest temperature of 1100 ˚K data point could lead to significant error if the extrapolation is done up to very high temperatures. Recently an updated WIMS library has become available through WLUP follow up activities. This library contains RIT data for 48 resonant nuclides including several minor actinides and temperature extended up to 2500 ˚K and burnup chain has been extended up to ^(252)Cf. Use of the new library has alleviated the problem of possible error in extrapolation. The new library called `HTEMPLIB' has been tested for the design computations of VVER-1000 MWe reactor being constructed at Kudankulam, Tamilnadu, India. Two fuel types containing 4% and 3.6% enriched fuel were analyzed using the hexagonal lattice burnup code EXCEL. The results of the lattice analyses with the new WIMS library as well as the original WIMS library `JEFF31GX', containing data up to a temperature of 1100 ˚K are presented in this paper.
Fatima, Suhail,Siddiqui, Aisha,Khan, Afshan Cellmed Orthocellular Medicine and Pharmaceutical 2019 셀메드 (CellMed) Vol.9 No.4
The medicinal plants are extensively used for curing variegated malady in day to day life. There is an emergent demand for plant based medicines, food supplements, health products, pharmaceuticals etc. Mochrus (Bombax ceiba Linn.) is one of the valuable medicinal plants used in Unani system of medicine since relic belongs to family Bombacaceae. It is a tall tree and widely distributed through India, Africa, Australia and tropical Asia. Many parts of the plant (root, stem bark, gum, leaf, prickles, flower, fruit, seed and heartwood) are used for the treatment of a variety of ailments. It is reported to possess nafe sailanur reham (beneficial in leucorrhea), mujaffif (siccative), muqawwi reham (uterine tonic), qabiz (constipative), muallide mani (production of semen), mumsik wa mughalliz mani (increase consistency of semen), dafe fasaad khoon wa safra (purifies blood and bile) etc. It is used in asthma, diarrhoea, wound, leprosy, boils and many other skin diseases. Also possess some important pharmacological activities such as antioxidant, analgesic, antipyretic, antibacterial, diuretic, hepatoprotective, anticancer, hypoglycaemic and hypotensive etc. It is reported to contain phytoconstituents like polysaccharides, naphthoquinones, anthocyanins, lupeol and naphthol etc. This paper provides a compendium review on pharmacological, phytochemical properties and therapeutic benefits of the plant.