The effect of temperature on complex permittivity and microwave absorption properties of an iron oxide ore

Chenhui Liu; Libo Zhang; Jinhui Peng; Bingguo Liu; Shenghui Guo; Junwen Zhou; Lei Xu; Chen Guo; Li Yongxiang

The effect of temperature on complex permittivity and microwave absorption properties of an iron oxide ore

Chenhui Liu, Libo Zhang, Jinhui Peng^*, Bingguo Liu, Shenghui Guo, Junwen Zhou, Lei Xu, Chen Guo, Li Yongxiang

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科研成果: 会议稿件 › 论文 › 同行评审

摘要

In this study, the permittivity of an iron oxide ore at 2.45GHz in the temperatures from 20 °C up to 100 °C was measured using the technology of the open-ended coaxial sensor combined with theoretical computation. The results show that both the real (ϵ′) and imaginary (ϵ″) part of complex permittivity (ϵ′ - jϵ″) of the iron oxide ore increase significantly with temperature. The dielectric constant and loss factor both are linear function of temperature at temperature range of 20 to 100°C. The loss tangent (tanδ) is a linear function of temperature and penetration depth of iron oxide ore decreases with temperature increase.

源语言	英语
页	329-332
页数	4
出版状态	已出版 - 2013
已对外发布	是
活动	14th International Conference on Microwave and High Frequency Heating, AMPERE 2013 - Nottingham, 英国期限: 17 9月 2013 → 19 9月 2013

会议

会议	14th International Conference on Microwave and High Frequency Heating, AMPERE 2013
国家/地区	英国
市	Nottingham
时期	17/09/13 → 19/09/13

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@conference{69990b5ab1e04b4cbe278f6a4ec02a7a,

title = "The effect of temperature on complex permittivity and microwave absorption properties of an iron oxide ore",

abstract = "In this study, the permittivity of an iron oxide ore at 2.45GHz in the temperatures from 20 °C up to 100 °C was measured using the technology of the open-ended coaxial sensor combined with theoretical computation. The results show that both the real (ϵ′) and imaginary (ϵ″) part of complex permittivity (ϵ′ - jϵ″) of the iron oxide ore increase significantly with temperature. The dielectric constant and loss factor both are linear function of temperature at temperature range of 20 to 100°C. The loss tangent (tanδ) is a linear function of temperature and penetration depth of iron oxide ore decreases with temperature increase.",

keywords = "Complex permittivity, Iron oxide ore, Microwave heating, Temperature increase",

author = "Chenhui Liu and Libo Zhang and Jinhui Peng and Bingguo Liu and Shenghui Guo and Junwen Zhou and Lei Xu and Chen Guo and Li Yongxiang",

year = "2013",

language = "English",

pages = "329--332",

note = "14th International Conference on Microwave and High Frequency Heating, AMPERE 2013 ; Conference date: 17-09-2013 Through 19-09-2013",

}

TY - CONF

T1 - The effect of temperature on complex permittivity and microwave absorption properties of an iron oxide ore

AU - Liu, Chenhui

AU - Zhang, Libo

AU - Peng, Jinhui

AU - Liu, Bingguo

AU - Guo, Shenghui

AU - Zhou, Junwen

AU - Xu, Lei

AU - Guo, Chen

AU - Yongxiang, Li

PY - 2013

Y1 - 2013

N2 - In this study, the permittivity of an iron oxide ore at 2.45GHz in the temperatures from 20 °C up to 100 °C was measured using the technology of the open-ended coaxial sensor combined with theoretical computation. The results show that both the real (ϵ′) and imaginary (ϵ″) part of complex permittivity (ϵ′ - jϵ″) of the iron oxide ore increase significantly with temperature. The dielectric constant and loss factor both are linear function of temperature at temperature range of 20 to 100°C. The loss tangent (tanδ) is a linear function of temperature and penetration depth of iron oxide ore decreases with temperature increase.

AB - In this study, the permittivity of an iron oxide ore at 2.45GHz in the temperatures from 20 °C up to 100 °C was measured using the technology of the open-ended coaxial sensor combined with theoretical computation. The results show that both the real (ϵ′) and imaginary (ϵ″) part of complex permittivity (ϵ′ - jϵ″) of the iron oxide ore increase significantly with temperature. The dielectric constant and loss factor both are linear function of temperature at temperature range of 20 to 100°C. The loss tangent (tanδ) is a linear function of temperature and penetration depth of iron oxide ore decreases with temperature increase.

KW - Complex permittivity

KW - Iron oxide ore

KW - Microwave heating

KW - Temperature increase

UR - http://www.scopus.com/inward/record.url?scp=85013762968&partnerID=8YFLogxK

M3 - Paper

AN - SCOPUS:85013762968

SP - 329

EP - 332

T2 - 14th International Conference on Microwave and High Frequency Heating, AMPERE 2013

Y2 - 17 September 2013 through 19 September 2013

ER -

The effect of temperature on complex permittivity and microwave absorption properties of an iron oxide ore

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