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Fluid Velocity Sensors Made by Therm...

Hanna, Andre,

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Fluid Velocity Sensors Made by Thermal Spray /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Fluid Velocity Sensors Made by Thermal Spray // Andre Hanna.
Author:	Hanna, Andre,
Description:	1 electronic resource (30 pages)
Notes:	Source: Masters Abstracts International, Volume: 86-05.
Contained By:	Masters Abstracts International86-05.
Subject:	Mechanical engineering. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31559346
ISBN:	9798342756037

Fluid Velocity Sensors Made by Thermal Spray /
Hanna, Andre,

Fluid Velocity Sensors Made by Thermal Spray /Andre Hanna. - 1 electronic resource (30 pages)

Source: Masters Abstracts International, Volume: 86-05.

Thermal spray technology was used to make rugged surface sensors to measure the velocity of fluid flowing over a metal plate. The sensor consisted of a spiral-shaped nichrome (NiCr) heater coil, approximately 17 mm in diameter, and a thermocouple, both made by wire-arc spray. Plasma spray was used to deposit an electrically insulating layer of alumina, ~300 µm thick, on a 316 stainless steel block. A 17 mm diameter heater coil was deposited on top of the alumina layer by spraying nichrome from a twin wire arc spray system through a 3D printed polymer mask. The resulting NiCr line was ~50 µm thick and 104 mm long, with an electrical resistance of approximately 20 Ω. A thermocouple junction was built next to the heater by inserting an insulated constantan wire through a vertical hole drilled in the steel block and spraying steel on the top of the hole to close it and form an electrical connection between the wire and the surrounding substrate. The junction of the wire and the steel formed a thermocouple whose output voltage was calibrated as a function of temperature A flow loop was built to calibrate the sensor by passing either air or ethylene glycol over it at velocities of up to 4.4 m/s. A series of 1 to 6 min long voltage pulses were applied to the heater, increasing its temperature by approximately 5°-10°C each time, before letting it cool. The surface temperature cooling rate was recorded by the surface thermocouple. A calibration curve was developed of fluid velocities as a function of time constants for cooling of the sensor.

English

ISBN: 9798342756037Subjects--Topical Terms:

649730
Mechanical engineering.
Subjects--Index Terms:

Fluid velocity measurement

Fluid Velocity Sensors Made by Thermal Spray /
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245 1 0 $a Fluid Velocity Sensors Made by Thermal Spray / $c Andre Hanna.
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300 $a 1 electronic resource (30 pages)
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500 $a Source: Masters Abstracts International, Volume: 86-05.
500 $a Advisors: Chandra, Sanjeev.
502 $b M.A.S. $c University of Toronto (Canada) $d 2024.
520 $a Thermal spray technology was used to make rugged surface sensors to measure the velocity of fluid flowing over a metal plate. The sensor consisted of a spiral-shaped nichrome (NiCr) heater coil, approximately 17 mm in diameter, and a thermocouple, both made by wire-arc spray. Plasma spray was used to deposit an electrically insulating layer of alumina, ~300 µm thick, on a 316 stainless steel block. A 17 mm diameter heater coil was deposited on top of the alumina layer by spraying nichrome from a twin wire arc spray system through a 3D printed polymer mask. The resulting NiCr line was ~50 µm thick and 104 mm long, with an electrical resistance of approximately 20 Ω. A thermocouple junction was built next to the heater by inserting an insulated constantan wire through a vertical hole drilled in the steel block and spraying steel on the top of the hole to close it and form an electrical connection between the wire and the surrounding substrate. The junction of the wire and the steel formed a thermocouple whose output voltage was calibrated as a function of temperature A flow loop was built to calibrate the sensor by passing either air or ethylene glycol over it at velocities of up to 4.4 m/s. A series of 1 to 6 min long voltage pulses were applied to the heater, increasing its temperature by approximately 5°-10°C each time, before letting it cool. The surface temperature cooling rate was recorded by the surface thermocouple. A calibration curve was developed of fluid velocities as a function of time constants for cooling of the sensor.
546 $a English
590 $a School code: 0779
650 4 $a Mechanical engineering. $3 649730
650 4 $a Industrial engineering. $3 526216
650 4 $a Fluid mechanics. $3 528155
653 $a Fluid velocity measurement
653 $a Surface sensors
653 $a Thermal sprayed sensor
653 $a Velocity sensors
653 $a Nichrome
690 $a 0548
690 $a 0204
690 $a 0546
710 2 $a University of Toronto (Canada). $b Mechanical and Industrial Engineering. $e degree granting institution. $3 3819498
720 1 $a Chandra, Sanjeev $e degree supervisor.
773 0 $t Masters Abstracts International $g 86-05.
790 $a 0779
791 $a M.A.S.
792 $a 2024
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31559346