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TITLE PAGE

 

BY

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--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---

DECEMBER,2018

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APPROVAL PAGE

This is to certify that the research work, "construction of an electric standing fan" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.

By
---                                                     . ---
Supervisor                                                  Head of Department.
Signature……………….                           Signature……………….        

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External Invigilator

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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.

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ACKNOWLEDGEMENT

The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.

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PROJECT DESCRIPTION: This work "construction of an electric standing fan" research material is a complete and well researched project material strictly for academic purposes, which has been approved by different Lecturers from different higher institutions. We made Preliminary pages, Abstract and Chapter one of "construction of an electric standing fan" visible for everyone, then the complete material on "construction of an electric standing fan" is to be ordered for. Happy viewing!!!

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An electric standing fan includes a fan shaft driven by a fan motor supported by a motor support. An oscillating device includes a rotational shaft connected to the motor support for driving the motor support to oscillate. A transmission gear has an axle connected to the rotational shaft and a gear wheel mounted around the axle and driven by a synchronous motor. An oscillating angle limiting switch detects a rotational angle of the rotational shaft and the gear wheel and sends a signal indicative of the rotational angle.

TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
INTRODUCTION
1.1      BACKGROUND OF THE PROJECT

• OBJECTIVE OF THE PROJECT
• SCOPE OF THE PROJECT
• SIGNIFICANCE OF THE PROJECT
• LIMITATION OF THE PROJECT
• APPLICATION OF THE PROJECT
• PROJECT ORGANISATION

CHAPTER TWO
LITERATURE REVIEW

• HISTORICAL BACKGROUND OF THE PROJECT
• REVIEW OF DIFFERENT TYPES OF FANS
• REVIEW OF AN ELECTRIC MOTOR

CHAPTER THREE
3.0      MATERIALS AND METHOD

• MATERIALS USED
• WORKING PRINCIPLE
• FAN ACCESSORIES ASSEMBLY

CHAPTER FOUR
4.0   TESTING AND RESULTS

• CONSTRUCTION PROCEDURE
• CASING AND PACKAGING
• ASSEMBLING OF SECTIONS
• TESTING OF SYSTEM OPERATION
• PROBLEM ENCOUNTERED
• PICTURE OF THE FAN AFTER CONSTRUCTION

CHAPTER FIVE

• CONCLUSION
• RECOMMENDATION
• REFERENCES

CHAPTER ONE
1.0                                                        INTRODUCTION
1.1                                           BACKGROUND OF THE STUDY
A fan is a machine used to create flow within a fluid, typically a gas such as air. The fan consists of a rotating arrangement of vanes or blades which act on the fluid (Free Dictionary, 2012). The rotating assembly of blades and hub is known as an impeller, a rotor, or a runner. Usually, it is contained within some form of housing or case. This may direct the airflow or increase safety by preventing objects from contacting the fan blades. Most fans are powered by electric motors, but other sources of power may be used, including hydraulic motors and internal combustion engines (Robert, 2014). Fans produce flows with high volume and low pressure (although higher than ambient pressure), as opposed to compressors which produce high pressures at a comparatively low volume. A fan blade will often rotate when exposed to a fluid stream, and devices that take advantage of this, such as anemometers and wind turbines, often have designs similar to that of a fan.
An electric fan allowing selection of oscillating angles and including an oscillating angle limitation switch to limit an oscillating angle of the electric fan.

Electric fans generally include a fan driven by a motor to provide air currents for cooling purposes. Although air conditioners are widely used, electric fans are still an option in view of costs and energy conservation in many families, offices, public areas, and industries requiring dissipation of heat (Robert, 2014).
Electric standing fans include a power on/off switch and a plurality of speed buttons to allow selection of the speed of the motors of the electric fans for adjusting the wind output. Some of the electric fans include a rotary mechanism to allow rotation of a seat of the motor such that the fan can oscillate in an angle relative to a base of the electric fan, providing wind output in a wider range. However, the oscillating angle of the fan cannot be adjusted. Namely, the fan can only oscillate in a preset angle of the electric fan, leading to limitation to the wind output (Robert, 2014).

1.2      PROBLEM STATEMENT
Our environment, rooms and buildings get hot as soon as sun rises and this brings discomfort to human being. In other to solve this problem fan was invented. Fans are used for circulating air in rooms and buildings; for cooling and drying people, materials, or products; for exhausting dust and noxious fumes etc. This study was carried out to build an electric standing fan.

1.3      AIM AND OBJECTIVES OF THE PROJECT
The main aim of the study is to construct an electric standing fan. This study seeks to achieve the following objectives:

• To build the system prototype using available materials
• To  circulate air to cool and ventilate rooms and to control humidity
• To establish human comfort.

1.4                                                   SCOPE OF THE STUDY
An electric fan can be direct current or alternating current based. The scope of this covers building an alternating current based electric standing fan which comprises an AC motor. The electric motor composes of rotor and stator. 
Rotor • It is a movable part of the motor which rotates.
2) Stator • It is a non-movable part of the electric motor that provides

1.5                                         SIGNIFICANCE OF THE PROJECT
Apart from cooling, electric standing fans also circulate the air and keep it in motion, maintaining a fresh breeze that cools as well as keeping humidity levels in check. Electric standing fans also add ventilation and prevent the inhalation of dangerous gases and fumes. This study will serve as a means of studying the operation and assembling of standing fan.

1.6                                           LIMITATION OF THE PROJECT

• Every type of fan generates noise from the rapid flow of air around blades and obstacles, and sometimes from the motor. Fan noise has been found to be roughly proportional to the fifth power of fan speed; halving speed reduces noise by about 15 dB.
• Is not compact and not  easy transport compare to other types of fan

1.7                                          APPLICATION OF THE PROJECT
Typical applications include climate control and personal thermal comfort (e.g., an electric table or floor fan), vehicle and machinery cooling systems, ventilation, fume extraction, winnowing (e.g., separating chaff of cereal grains), removing dust (e.g. in a vacuum cleaner), drying (usually in combination with heat) and to provide draft for a fire. While fans are often used to cool people, they do not actually cool air (if anything, electric fans warm it slightly due to the warming of their motors), but work by evaporative cooling of sweat and increased heat convection into the surrounding air due to the airflow from the fans. Thus, fans may become ineffective at cooling the body if the surrounding air is near body temperature and contains high humidity.

1.8                          PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this work is on the introduction to an electric standing fan. In this chapter, the background, significance, objective limitation and problem of an electric standing fan were discussed.
Chapter two is on literature review of an electric standing fan. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
Chapter five is on conclusion, recommendation and references.

CHAPTER FIVE
5.1                                                           CONCLUSION
The project has been successfully completed and the main objective of project has been achieved. Electric standing fans come in a range of styles and sizes, but most fans used in home or commercial settings utilize the same basic technology, with axial fans being the most common.   
Most fans used for climate control purposes provide comfort or ventilation via axial flow. These fans have blades that force air to move parallel to the shaft about which the blades rotate and blow across the axis of the fan.  Axial fans are used in a variety of applications, from providing personal cooling in portable desk fans to the giant fans commonly found in wind tunnels.

5.2                                                RECOMMENDATION
Carrying-out this work by final year student is a right thing and at the right time.
This work was built with quality wiring and contains many connections, I recommend that if failure occur, it should be troubleshoot by a qualify personnel along with the circuits diagram.
This project was built for Educational purposes. If one want to use it for industrial or home applications.

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CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "construction of an electric standing fan" is also available. Order full work to download. Chapter two of "construction of an electric standing fan" consists of the literature review. In this chapter all the related work on "construction of an electric standing fan" was reviewed.

CHAPTER THREE: The complete chapter three of "construction of an electric standing fan" is available. Order full work to download. Chapter three of "construction of an electric standing fan" 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 "construction of an electric standing fan" is available. Order full work to download. Chapter four of "construction of an electric standing fan" consists of all the test conducted during the work and the result gotten after the whole work

CHAPTER FIVE: The complete chapter five of "construction of an electric standing fan" is available. Order full work to download. Chapter five of "construction of an electric standing fan" consist of conclusion, recommendation and references.

 

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