American Journal of Science, Engineering and Technology

Volume 5, Issue 1, March 2020

  • New Agile Matrix Antenna for Nano-satellite Telemetry Using Bimodal Pattern Reconfiguration

    Ali Siblini, Eric Arnaud, Anthony Bellion, Hussein Abou Taam, Bernard Jecko

    Issue: Volume 5, Issue 1, March 2020
    Pages: 1-19
    Received: Oct. 15, 2019
    Accepted: Nov. 13, 2019
    Published: Jan. 21, 2020
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    This article belongs to the Special Issue Machine Learning in the Internet of Things
    Abstract: This review deals with the design of a new reconfigurable beam antenna used to improve the efficiency of spatial telemetry links on Nano-Satellite. Advances in this domain show the needs to serve some applications with special electromagnetic beams and polarization patterns especially from LEO and MEO Space-Earth links. The RF front end must be cap... Show More
  • Water Supply System in Pabna Municipality of Bangladesh: A Case Study

    Mohammad Atauzzaman, Mohammad Yousuf Ali, Musammat Meherun Nesa

    Issue: Volume 5, Issue 1, March 2020
    Pages: 20-24
    Received: Jan. 09, 2020
    Accepted: Jan. 29, 2020
    Published: Feb. 04, 2020
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    Abstract: Safe and adequate water supply is a challenging task in many developing cities like Pabna. People have been facing water supply problems e.g. odor, turbidity, iron, etc., thus leading to public health risk e.g. typhoid, skin disease, allergy, etc. This paper presents the existing water supply system of ward no. 5 of Pabna municipality. Primary data... Show More
  • Assessment on the Quality of Concrete Materials Used in Building Construction Projects: A Case Study in Assosa University

    Bekele Arega Demissie, Ashebir Belete Werkineh

    Issue: Volume 5, Issue 1, March 2020
    Pages: 25-32
    Received: Dec. 16, 2019
    Accepted: Dec. 31, 2019
    Published: Feb. 11, 2020
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    Abstract: Concrete is an intimate mixture of Coarse Aggregate, Sand (Fine Aggregate), Cement and Water. In building construction, most of the activities are executed using concrete so that Concrete materials quality is important. Construction materials used in construction determine the behavior of the structure and resulted in any types of failures or defec... Show More
  • Investigation All Types of Aircraft Noises: Review Paper

    Mojtaba Sadeghian, Mofid Gorji-Bandpy

    Issue: Volume 5, Issue 1, March 2020
    Pages: 33-41
    Received: Jan. 08, 2020
    Accepted: Mar. 02, 2020
    Published: Mar. 10, 2020
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    Abstract: This article presents a review of current aircraft noises. Noise is a fascinating area of research combining statistics, applied mathematics, and engineering. Aircraft noises are an impact of enormous financial, environmental, and technological issue. Aircraft noise remains the key inhibitor of the growth of air transportation and remains an acute ... Show More
  • Analysis of Innovations in Concentration of Solar Radiation

    Elhadj Ali Aoudou, Benoit Ndzana

    Issue: Volume 5, Issue 1, March 2020
    Pages: 42-47
    Received: Jan. 09, 2020
    Accepted: Mar. 06, 2020
    Published: Mar. 31, 2020
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    Abstract: As part of my research work carried out successfully at the level of Master 2 in 2016, in the laboratory of Electrical Engineering, Mechatronics and Signal Processing, I designed a TVS central, which allowed me to replace the use of diesel fuel by solar energy in the production of electrical energy. This solar power plant was named: TVS system. Its... Show More
  • Controlling Solar Radiation Is a Performance Indicator for a Solar Power Plant

    Elhadj Ali Aoudou, Benoit Ndzana

    Issue: Volume 5, Issue 1, March 2020
    Pages: 48-55
    Received: Jan. 09, 2020
    Accepted: Mar. 06, 2020
    Published: Mar. 08, 2020
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    Abstract: Certain regions of Africa are classified as a zone rich in hydrocarbons. We are talking about the Maghreb area and the Gulf of Guinea. The countries most concerned are: Libya, Algeria, South Sudan, Nigeria, Congo Brazzaville, Angola, Gabon, Equatorial Guinea and many others are recognized as producers of oil, therefore supposedly rich in foreign cu... Show More