Indexing

Abstract: This study clarifies the impact of radio wave refractivity on wireless communication systems with a focus on South-South Nigeria. Using a thorough methodology that combines computer models with empirical observations, the study looks into fluctuations in atmospheric conditions and how they affect radio signal transmission. The results highlight how important it is to take refractivity dynamics into consideration while building reliable communication infrastructures that are appropriate for the unique climate of this area. These abstracts are meant to capture the substance of your study, emphasizing that it is primarily concerned with characterizing the impact of radio wave refractivity on South-South Nigerian communication systems.

Keywords: Radio Waves, Mobile Networks, Communications, Radio Frequencies.

Title: CHARACTERIZATION OF THE INFLUENCE OF RADIO WAVE REFRACTIVITY IN SOUTH SOUTH NIGERIA

Author: Okafor Joyce Odu, Adebayo Adeniyi .D., Donatus Bassey .E., Ayibapreye Kelvin Benjamin

International Journal of Recent Research in Electrical and Electronics Engineering (IJRREEE)

ISSN 2349-7815

Vol. 11, Issue 3, July 2024 - September 2024

Page No: 12-21

Paper Publications

Website: www.paperpublications.org

Published Date: 10-September-2024

Abstract: The "Temperature Controlled Fan" is a system where the speed of the fan changes with the change of ambient temperature. It consists of a microcontroller (Arduino Nano) which compares the preset temperature system and ambient temperature with the help of closed loop feedback system and if any difference occurs it controls the speed of the fan. It consists of microcontroller, temperature sensor, motor driver circuit and other accessory. The system is developed to run the fan with optimize speed and reduce unnecessary energy losses. The electronic components used here it’s almost minimum price. The objective of the project is to keep efficient output with minimum cost and simple design. We can use this project in domestic purpose for cooling electronic equipment (i.e. Laptop, Desktop) and its modified version can be used in industry for cooling equipment machineries.

Keywords: microcontroller, Arduino Nano, MOSFET, temperature sensor, DC motor.

Title: AUTOMATIC TEMPERATURE CONTROLLED FAN

Author: Snehashis Das, Sayak Pal, Tithi Mukhopadhyay, Sukalyan Nath

International Journal of Recent Research in Electrical and Electronics Engineering (IJRREEE)

ISSN 2349-7815

Vol. 11, Issue 3, July 2024 - September 2024

Page No: 3-11

Paper Publications

Website: www.paperpublications.org

Published Date: 21-August-2024

Abstract: Wireless communication is a major innovation in field digital technologies. They are fast emerging as a complementary technology to wired instrumentation in the oil and gas industry. The features of Wireless HART in field digital technologies are as follows,

It is a global IEC-approved standard (IEC62591) and owned and governed by the HART Foundation

Data security by encryption

Easy power-supply cell maintenance in hazardous areas

Supports mesh topologies, providing redundancy not only at IO level but also on communication between Instrument to Control System

Provides complete access to the instrument HART diagnostics without the need of HART multiplexers

Expandability and consistency with existing systems

The network can be progressively expanded without wasting customers’ assets.

Keywords: DCS, HART, IEC.

Title: Wireless Instrument Transmitters on Wellhead Towers

Author: Ankeet Anil Kaji

International Journal of Recent Research in Electrical and Electronics Engineering (IJRREEE)

ISSN 2349-7815

Vol. 11, Issue 3, July 2024 - September 2024

Page No: 1-2

Paper Publications

Website: www.paperpublications.org

Published Date: 31-July-2024