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Ain Shams Engineering Journal
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998 research outcomes, page 1 of 100
  • publication . Article . 2018
    Open Access
    Authors:
    Ali Alahmer; Sameh Alsaqoor;
    Publisher: Elsevier BV

    The use of a variable refrigerant flow (VRF) is being specified as an alternative solution to centralize HVAC systems in domestic building. This manuscript presents a comprehensive description of the configuration for the indoor and outdoor units of a multi-split VRF sy...

  • publication . Article . 2018
    Open Access English
    Authors:
    Mohammad Fahmy; Mohamed M. Mahdy; Hosam Rizk; Marwa F. Abdelaleem;
    Publisher: Elsevier

    This paper investigates the role of passive design strategies and using biogas in reducing energy consumption, annual energy cost and CO2 emissions of a new productive country housing model in an ongoing sustainable community development project near Cairo, Egypt. The c...

  • publication . Article . 2019
    Open Access
    Authors:
    Mustafa F. Abdelwahed; Amr E. Mohamed; Mohamed Aly Saleh;
    Publisher: Elsevier BV

    Abstract This article presents two novel methodologies for solving the motion planning problem through retained experience. Both approaches employ AI’s case-based reasoning (CBR) technique. Case-based reasoning is an expert system development methodology which reuses pa...

  • publication . Article . 2020
    Open Access
    Authors:
    Mohammad Rashki Ghaleh Nou; Mehdi Azhdary Moghaddam; Mahmood Shafai Bajestan; Hazi Mohammad Azamathulla;
    Publisher: Elsevier BV

    Abstract Local scouring is one of the key issues at the downstream of ski-jump spillways which may result in failure of the hydraulic structures. Therefore, adopting some measures in order to control and reduce this phenomenon is very crucial. In the present study, the ...

  • publication . Article . 2020
    Open Access
    Authors:
    Abir J. Mondal; J. Talukdar; Bidyut K. Bhattacharyya;
    Publisher: Elsevier BV

    Abstract In this paper a method is proposed to derive an equation for the oscillation frequency and amplitude of a ring oscillator built using two different current sources. Taking into consideration the transistor’s region of operation, the proposed method estimates th...

  • publication . Article . 2020
    Open Access English
    Authors:
    K. Loukil; H. Abbes; H. Abid; M. Abid; A. Toumi;
    Publisher: Elsevier

    Abstract Since, photovoltaic (PV) systems are currently very expensive, many scientific studies are being conducted to maximize the power such systems deliver. The best solution suggested so far consists of integrating the Maximum Power Point Tracking (MPPT) with the PV...

  • publication . Article . 2019
    Open Access
    Authors:
    Mostafa R. Mostafa; Naggar H. Saad; Ahmed A. El-sattar;
    Publisher: Elsevier BV

    Abstract Enhancing the PV power requires necessity to track the MPP robustly. Most techniques implemented to obtain MPPT have some drawbacks, one of them is the oscillation around the operating point. This paper suggests sliding mode control technique to minify this pro...

  • publication . Article . 2019
    Open Access English
    Authors:
    N. Fouda; Rania Mostafa; A. Saker;
    Publisher: Elsevier

    3D finite element models for a fractured tibia with Stainless Steel (SS) and Carbon/hydroxyapatite (C/HA) bone-plates are analyzed using ANSYS workbench. Plates with different gaps (0.2, 0.4 and 0.7 mm), and a contact plate with no-gap are examined. von Mises stresses a...

  • publication . Article . 2019
    Open Access English
    Authors:
    Salah M. Ali; K.H. Hui; L.M. Hee; M. Salman Leong; Ahmed M. Abdelrhman; Mahdi A. Al-Obaidi;
    Publisher: Elsevier

    Acoustic Emission (AE) technology is probably one of the most recent entries in the field of machinery condition monitoring. This paper investigates the application of AE parameters for valve faults detection in reciprocating compressor. The defective valves were design...

  • publication . Article . 2017
    Open Access
    Authors:
    Bhadauria, B.S.; Singh, Ajay;
    Publisher: Elsevier BV

    The present article is to investigate the effect of various parameters on chaotic convection in an anisotropic porous medium under gravity modulation. For this, the problem is reduced into Lorenz system (non-autonomous) by employing truncated Galerkin expansion method. ...

998 research outcomes, page 1 of 100
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