Developing a sonic rain gauge

Due to climate changes, the importance of precipitation measurements, for scientific studies and agricultural purposes, have increased significantly over the years. However, existing instruments have a multitude of limitations that results in a huge decline in precision. With the advancement in tech...

Full description

Saved in:
Bibliographic Details
Main Author: Soh, Jun Ming
Other Authors: Shu Jian Jun
Format: Final Year Project
Language:English
Published: 2018
Subjects:
Online Access:http://hdl.handle.net/10356/74708
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Nanyang Technological University
Language: English
id sg-ntu-dr.10356-74708
record_format dspace
spelling sg-ntu-dr.10356-747082023-03-04T18:44:22Z Developing a sonic rain gauge Soh, Jun Ming Shu Jian Jun School of Mechanical and Aerospace Engineering DRNTU::Engineering Due to climate changes, the importance of precipitation measurements, for scientific studies and agricultural purposes, have increased significantly over the years. However, existing instruments have a multitude of limitations that results in a huge decline in precision. With the advancement in technology, an alternative solution was proposed. The aim is to measure rainfall intensity by using acoustic signals, through the use of a sonic rain gauge. Acoustic signals are generated when the raindrops impact the rain gauge surface. An increase in intensity will result in a higher values of acoustic signals to be produced. In order to achieve this, the relationship between the kinetic energy of raindrops and sound pressure has to be determined and analysed under various rainfall conditions. Using Arduino software, the data was collected and compared with the data obtained during actual rainfall events. The proposed rain gauge was also compared with existing acoustic rain gauges. The advantages, disadvantages and potential developments of the proposed rain gauge were evaluated and further discussed. Bachelor of Engineering (Mechanical Engineering) 2018-05-23T04:38:52Z 2018-05-23T04:38:52Z 2018 Final Year Project (FYP) http://hdl.handle.net/10356/74708 en Nanyang Technological University 98 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Soh, Jun Ming
Developing a sonic rain gauge
description Due to climate changes, the importance of precipitation measurements, for scientific studies and agricultural purposes, have increased significantly over the years. However, existing instruments have a multitude of limitations that results in a huge decline in precision. With the advancement in technology, an alternative solution was proposed. The aim is to measure rainfall intensity by using acoustic signals, through the use of a sonic rain gauge. Acoustic signals are generated when the raindrops impact the rain gauge surface. An increase in intensity will result in a higher values of acoustic signals to be produced. In order to achieve this, the relationship between the kinetic energy of raindrops and sound pressure has to be determined and analysed under various rainfall conditions. Using Arduino software, the data was collected and compared with the data obtained during actual rainfall events. The proposed rain gauge was also compared with existing acoustic rain gauges. The advantages, disadvantages and potential developments of the proposed rain gauge were evaluated and further discussed.
author2 Shu Jian Jun
author_facet Shu Jian Jun
Soh, Jun Ming
format Final Year Project
author Soh, Jun Ming
author_sort Soh, Jun Ming
title Developing a sonic rain gauge
title_short Developing a sonic rain gauge
title_full Developing a sonic rain gauge
title_fullStr Developing a sonic rain gauge
title_full_unstemmed Developing a sonic rain gauge
title_sort developing a sonic rain gauge
publishDate 2018
url http://hdl.handle.net/10356/74708
_version_ 1759854231891738624