Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil

In this paper, a capacitive sensor based on printed circuit board was designed and fabricated to detect air bubbles that appear in the engine lubricating oil. A three-electrode capacitive sensor structure is designed and simulated for monitoring and estimating amount and size of air bubbles in oil....

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Main Authors: Nguyễn Đắc, Hải, Vũ Quốc, Tuấn
Format: Article
Language:English
Published: Journal of Science 2015
Subjects:
Online Access:http://repository.vnu.edu.vn/handle/VNU_123/524
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Institution: Vietnam National University, Hanoi
Language: English
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spelling oai:112.137.131.14:VNU_123-5242017-10-27T01:42:20Z Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil Nguyễn Đắc, Hải Vũ Quốc, Tuấn Capacitive sensor Fluidic sensor In this paper, a capacitive sensor based on printed circuit board was designed and fabricated to detect air bubbles that appear in the engine lubricating oil. A three-electrode capacitive sensor structure is designed and simulated for monitoring and estimating amount and size of air bubbles in oil. The capacitive sensor consists of three electrodes that are structured by the PCB, copper sheets and vias. The oil pipe as a fluidic channel is threaded through the hole of capacitive sensor. By using that structure, air bubble inside fluidic channel can be detected in realtime monitoring. Simulations showing the change of signal in correspondence to the volume of air bubble inside oil channels are compared to the measurement to give a good idea of fabrication structure. In this measurement, this capacitive sensor can monitor an air bubble with a small size of 0.1 mm3 to 3.83 mm3. The occurring of multi air bubbles is also monitored by this capacitive sensor for distinguishing each bubble when the bubbles have a small distance among them. 2015-08-10T08:14:55Z 2015-08-10T08:14:55Z 2015 Article http://repository.vnu.edu.vn/handle/VNU_123/524 en_US Vol 31;1 application/pdf Journal of Science
institution Vietnam National University, Hanoi
building VNU Library & Information Center
country Vietnam
collection VNU Digital Repository
language English
topic Capacitive sensor
Fluidic sensor
spellingShingle Capacitive sensor
Fluidic sensor
Nguyễn Đắc, Hải
Vũ Quốc, Tuấn
Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil
description In this paper, a capacitive sensor based on printed circuit board was designed and fabricated to detect air bubbles that appear in the engine lubricating oil. A three-electrode capacitive sensor structure is designed and simulated for monitoring and estimating amount and size of air bubbles in oil. The capacitive sensor consists of three electrodes that are structured by the PCB, copper sheets and vias. The oil pipe as a fluidic channel is threaded through the hole of capacitive sensor. By using that structure, air bubble inside fluidic channel can be detected in realtime monitoring. Simulations showing the change of signal in correspondence to the volume of air bubble inside oil channels are compared to the measurement to give a good idea of fabrication structure. In this measurement, this capacitive sensor can monitor an air bubble with a small size of 0.1 mm3 to 3.83 mm3. The occurring of multi air bubbles is also monitored by this capacitive sensor for distinguishing each bubble when the bubbles have a small distance among them.
format Article
author Nguyễn Đắc, Hải
Vũ Quốc, Tuấn
author_facet Nguyễn Đắc, Hải
Vũ Quốc, Tuấn
author_sort Nguyễn Đắc, Hải
title Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil
title_short Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil
title_full Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil
title_fullStr Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil
title_full_unstemmed Fluidic Capacitive Sensor for Detection of Air Bubble Inside Engine Lubricating Oil
title_sort fluidic capacitive sensor for detection of air bubble inside engine lubricating oil
publisher Journal of Science
publishDate 2015
url http://repository.vnu.edu.vn/handle/VNU_123/524
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