Diamagnetic Levitation Thermometer

Naoki Inomata; Eiji Inomata; Takahito Ono

doi:10.1002/tee.23115

Diamagnetic Levitation Thermometer

Naoki Inomata, Eiji Inomata, Takahito Ono

ENG - Mechanical Systems Engineering

Research output: Contribution to journal › Letter › peer-review

2 Citations (Scopus)

Abstract

This paper reports a diamagnetic levitation thermometer using a pyrolytic graphite (PG). The levitation height of diamagnetic materials depends on the temperature. The system is composed of a PG disc, permanent magnet for driving, non-contact laser displacement meter, and spot heater. We evaluated the height in air and vacuum changing the temperature of the PG disc, and the disc changes its height as to be −1.49 and 1.55 µm/°C in air and vacuum, respectively. Differential thermal analysis of polystyrene is demonstrated. The potential of the diamagnetic levitation as a new principle measuring temperature changes is indicated.

Original language	English
Pages (from-to)	773-774
Number of pages	2
Journal	IEEJ Transactions on Electrical and Electronic Engineering
Volume	15
Issue number	5
DOIs	https://doi.org/10.1002/tee.23115
Publication status	Published - 2020 May 1

Keywords

magnetic levitation
pyrolytic graphite
thermometer

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1002/tee.23115

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title = "Diamagnetic Levitation Thermometer",

abstract = "This paper reports a diamagnetic levitation thermometer using a pyrolytic graphite (PG). The levitation height of diamagnetic materials depends on the temperature. The system is composed of a PG disc, permanent magnet for driving, non-contact laser displacement meter, and spot heater. We evaluated the height in air and vacuum changing the temperature of the PG disc, and the disc changes its height as to be −1.49 and 1.55 µm/°C in air and vacuum, respectively. Differential thermal analysis of polystyrene is demonstrated. The potential of the diamagnetic levitation as a new principle measuring temperature changes is indicated.",

keywords = "magnetic levitation, pyrolytic graphite, thermometer",

author = "Naoki Inomata and Eiji Inomata and Takahito Ono",

note = "Funding Information: Part of this research was performed at the Micro/Nanomachining Research Education Center of Tohoku University. This work was supported in part by JSPS KAKENHI Grant Number 17H04804. Funding Information: Part of this research was performed at the Micro/Nanomachining Research Education Center of Tohoku University. This work was supported in part by JSPS KAKENHI Grant Number 17H04804. Publisher Copyright: {\textcopyright} 2020 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.",

year = "2020",

month = may,

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doi = "10.1002/tee.23115",

language = "English",

volume = "15",

pages = "773--774",

journal = "IEEJ Transactions on Electrical and Electronic Engineering",

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publisher = "John Wiley and Sons Inc.",

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TY - JOUR

T1 - Diamagnetic Levitation Thermometer

AU - Inomata, Naoki

AU - Inomata, Eiji

AU - Ono, Takahito

N1 - Funding Information: Part of this research was performed at the Micro/Nanomachining Research Education Center of Tohoku University. This work was supported in part by JSPS KAKENHI Grant Number 17H04804. Funding Information: Part of this research was performed at the Micro/Nanomachining Research Education Center of Tohoku University. This work was supported in part by JSPS KAKENHI Grant Number 17H04804. Publisher Copyright: © 2020 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

PY - 2020/5/1

Y1 - 2020/5/1

N2 - This paper reports a diamagnetic levitation thermometer using a pyrolytic graphite (PG). The levitation height of diamagnetic materials depends on the temperature. The system is composed of a PG disc, permanent magnet for driving, non-contact laser displacement meter, and spot heater. We evaluated the height in air and vacuum changing the temperature of the PG disc, and the disc changes its height as to be −1.49 and 1.55 µm/°C in air and vacuum, respectively. Differential thermal analysis of polystyrene is demonstrated. The potential of the diamagnetic levitation as a new principle measuring temperature changes is indicated.

AB - This paper reports a diamagnetic levitation thermometer using a pyrolytic graphite (PG). The levitation height of diamagnetic materials depends on the temperature. The system is composed of a PG disc, permanent magnet for driving, non-contact laser displacement meter, and spot heater. We evaluated the height in air and vacuum changing the temperature of the PG disc, and the disc changes its height as to be −1.49 and 1.55 µm/°C in air and vacuum, respectively. Differential thermal analysis of polystyrene is demonstrated. The potential of the diamagnetic levitation as a new principle measuring temperature changes is indicated.

KW - magnetic levitation

KW - pyrolytic graphite

KW - thermometer

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DO - 10.1002/tee.23115

M3 - Letter

AN - SCOPUS:85079458680

SN - 1931-4973

VL - 15

SP - 773

EP - 774

JO - IEEJ Transactions on Electrical and Electronic Engineering

JF - IEEJ Transactions on Electrical and Electronic Engineering

IS - 5

ER -

Diamagnetic Levitation Thermometer

Abstract

Keywords

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