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Volume 1 Issue 1

  • article icon
    Research Article
    Published: 06/29/2017 | Pages: 1(1): 042-048

    Hydraulic jump experiment in a rectangular open channel flume

    Mostafa M El-Seddik*

    This paper presents a laboratory experiment for the formation of hydraulic jump in a rectangular open channel flume to accurately explore the effect of flow structures on water resources. This experiment illustrates the behavior of super-critical flow under sluice gate for various flow rates and downstream depths. Several runs are carried out using Armfield Model No. C4-MKII-5.0-11 to investigate the former computations concerning both the downstream conjugate depth and the critical depth resulting within the jump.

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  • article icon
    Research Article
    Published: 05/17/2017 | Pages: 1(1): 034-041

    A Preliminary Laboratory Investigation of Methane Generation Potential from Brewery Wastewater using UASB Reactor

    MA Karim* and Benjamin L Moss

    A preliminary laboratory study was conducted using upflow anaerobic sludge blanket (UASB) reactor to investigate the potential of methane generation from brewery wastewater. Brewery wastewater from a local brewery company was collected and used in the experiments. The experiments were run for 15 days. The rate of methane production was about 5.32 L per kg of chemical oxygen demand (COD) removed per day. The pH reduction in the experimental reactor limited the ability of gas production and is likely the result of the temperature at which the experiments were conducted.

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    Research Article
    Published: 03/31/2017 | Pages: 1(1): 020-033

    Wave Forces on Vertical Structures in Shallow Water: Numerical Evaluation

    Fabio Dentale*, Ferdinando Reale, Angela Di Leo, Eugenio Pugliese Carratelli and Marina Monaco

    The actions exerted by waves on a coastal structure very much depend upon hydrodynamic processes that originate on shallow waters; even though signifi cant progresses have been made in the last few years towards a full understanding of wave breaking, design work is still largely based on classical stability formulas. The recent availability of reliable models based on the numerical integration of full Navier-Stokes equations provides an important tool, but the evaluation of forces on vertical structures in shallow waters is still a particularly delicate application because of the complex hydrodynamic issues involved.

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    Research Article
    Published: 03/24/2017 | Pages: 1(1): 009-019

    Thermal Stress Analysis of a Continuous Rigid Frame Bridge

    Shiwei Ge, Yafei Xu*, Xiao Zhou and Shangyu Peng

    Thermal stress of a continuous rigid frame bridge, based on the temperature gradient in Chinese bridge gauge, using a fi nite element analysis (FEA) method was investigated. First of all, the temperature effect of the whole bridge was analyzed, and the correlation of the improved amplitude of temperature gradient and temperature effect were studied. It was found that there was a linear relationship with temperature stress and improved temperature. And then, the temperature effect of zero block was analyzed and the details of box girder temperature stress distribution investigated by utilizing the FEA method.

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    Research Article
    Published: 01/11/2017 | Pages: 1(1): 001-008

    Removal of Chromium from Aqueous Solution by Thermally Treated Mgal Layered Double Hydroxide

    Enkhtur Otgonjargal, Byambasuren Nyamsuren, Enkhtuul Surenjav, Gunchin Burmaa, Jadambaa Temuujin and Dashkhuu Khasbaatar*

    MgAl based layered double hydroxide (MgAl-LDH) was used as adsorbent for the removal of chromium oxyanion from an aqueous solution. MgAl-LDH was synthesized successfully using co-precipitation method, and was characterized by X-Ray Diffractometer (XRD), Scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDX). MgAl-LDH was thermally treated for improving the chromium adsorption.

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