INVESTIGATION OF AMBIENT NOISE WITHIN THE PHYSICS LAB IN NIGER DELTA UNIVERSITY USING MATLAB TOOLS
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This is to certify that the research work,"investigation of ambient noise within the physics lab in niger delta university using matlab tools"by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
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DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
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Ambient Noise pollution studies have been carried out within the Physics Lab in Delta State University, Abraka using Matlab. Noise measurements were taken from Physics Lab during working hours as from 8.00am. The noise levels from the Lab were taken four times each at a period (time) of ten minutes interval before the average and percentages were calculated.
The result indicate that the average noise level of 87 Db in Physics Lab is mostly generated by the business centers as a result of the electricity generated from different power plants, which is attributed to the frequent power failures by the Power Holdings of Nigeria. In addition, offices using small generators from a pole interval to another with voices in and out contribute a lot to the noisy environment. The measured noise levels when compare with the exposure limits of 75 Db summarized and recommended by both WHO (2010).
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF THE STUDY
- STATEMENT OF THE PROBLEM
- AIM/OBJECTIVE OF THE STUDY
- SIGNIFICANCE OF THE STUDY
- SCOPE OF THE STUDY
CHAPTER TWO
LITERATURE REVIEW
- OVERVIEW OF NOISE
- AMBIENT NOISE
- OVERVIEW OF NOISE POLLUTION
- THE EFFECT OF NOISE ON HUMAN
- REVIEW OF RELATED STUDIES
- SYSTEM DESIGN
- CONCLUSION AND RECOMMENDATION
REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
Noise is defined as any unwanted signal and in most cases the signal is nothing but sound. The extent to which noise is annoying depends on many factors such as the pitch irregularities, duration, rhythm and unexpectedness or whether the noise has any meaning for the particular observer (Ebeniro et al., 2019).
Noise as pollution is said to occur when the noise level is above the maximum permissible level for a given environment (WHO, 2010). It is also defined as the addition of sound to the environment beyond the natural sources and measured in intensity, duration and frequency of occurrence (Miller 2019). Noise as a polluting agent in the environment has been recognized for some time as a serious threat to the quality of life enjoyed by the populace (Abumere et al 2019). The most important measurement of ambient noise is its loudness. This loudness depends on the physical sound pressure that is measured on the sensitivity of the human ear to it. The sensitivity of the human ear depends on the frequency of the sound (Levitt 2011).
Some of the ways to reduce noise in an area includes putting on hearing aids (Levitt 2011), the use of exhaust silencer and planting of trees and shrubs in front of buildings (Burgliarelo, 2016). Noise has been proved to contribute to the decrease in working efficiency and an increase in the ability to make mistakes (Olawepo 2011).
The inefficiency of the Power Holdings of Nigeria to render electricity supply has led to the massive use of generators by the Physics Lab blocks as well as most other departmental offices, faculties and other permanent structures used for business centers. The sound emanating from these generators constitutes noise and nuisance during school hours. It is thus in this end that an investigation was carried out on the ambient noise generated within the study area.
1.2 STATEMENT OF THE PROBLEM
A comfortable environment is one in which there is little or no annoyance and distraction so that working or leisure tasks can be carried out unhindered either physically or mentally. Unfortunately, environmental noise has become a serious problem in many countries, and it is difficult to regulate by physical means alone (Onuu, 2010).
It has been a very serious concern in the Campus where generating plants of various designs and sizes are found close to the physics Lab resulting in high noise levels. This kind of noise bothers people very seriously in the physics Lab, making those in the lab not to concentrate.
It is well known that environmental noise may affect sleep, conversation, academic work in terms of reading and learning, and cause annoyance as well as affect task performance.
A lot of social surveys on the effects of noise on people have been conducted throughout the world especially in Europe and Northern America with moderate climate. Research and analysis of the difference caused by climate (Kryter, 2015) has been conducted in Nigeria. This study was carried out to investigate the ambient noise within the physics lab in Niger Delta University using matlab tools
1.3 AIM AND OBJECTIVES OF THE STUDY
The main aim of this seminar is to investigate the ambient noise within the physics lab in Niger Delta University using matlab tools.
The objectives of this work are:
- To determine the ambient noise level within the physics lab in Niger Delta University using matlab tools
- To maintain good health by ensuring that the ambient noise level is not more than the exposure limits summarized by WHO.
- To ensure a conducive environment for physics lab users.
1.4 SIGNIFICANCE OF THE STUDY
This study will serve as a means of ensuring that ambient noise level is not within the permissible limit in other to ensure good health among the users of the physics lab.
The study will also serve as a means of becoming familiar with MATLAB tool, and also a means of ensuring good health of those in the Physics Lab.
1.5 SCOPE OF THE STUDY
The scope of this work covers studying the Ambient Noise level within the Physics Lab in Delta State University, Abraka using MATLAB. Noise measurements were taken from Physics Lab during working hours.
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of"investigation of ambient noise within the physics lab in niger delta university using matlab tools" is also available. Order full work to download. Chapter two of"investigation of ambient noise within the physics lab in niger delta university using matlab tools"consists of the literature review. In this chapter all the related work on"investigation of ambient noise within the physics lab in niger delta university using matlab tools"was reviewed.
CHAPTER THREE: The complete chapter three of"investigation of ambient noise within the physics lab in niger delta university using matlab tools"is available. Order full work to download. Chapter three of"investigation of ambient noise within the physics lab in niger delta university using matlab tools"consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of"investigation of ambient noise within the physics lab in niger delta university using matlab tools"is available. Order full work to download. Chapter four of"investigation of ambient noise within the physics lab in niger delta university using matlab tools"consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of"investigation of ambient noise within the physics lab in niger delta university using matlab tools"is available. Order full work to download. Chapter five of"investigation of ambient noise within the physics lab in niger delta university using matlab tools"consist of conclusion, recommendation and references.
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