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9. Attention in the infrared rays use (Q&A)

(Q) Can heat in the far-infrared rays metal? (A) Since there is a lot of metal electrons, it reflects the electromagnetic waves (far-infrared rays) in general. The good conductivity metal such as gold and aluminum, it is hard to heating ...

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8. Comparison of far-infrared rays and near-infrared rays

(1) Infrared Rays are subdivided into several scheme. ISO 20473 specifies the following scheme: Designation Abbreviation Wavelength Near-Infrared NIR 0.78–3 µm Mid-Infrared MIR 3–50 µm Far-Infrared FIR 50–1000 µm (2) Difference in frequency = The difference between the heating capacity By “Wien’s displacement ...

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7. Generation of far-infrared rays

The method of heating the ceramic to make a far-infrared artificially is common. The fine ceramics of an alumina system or a zirconium system are used well. Wavelength and the emittance change by a kind and the heating temperature of ...

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2-1.What is the humidity?

The Chapter 1 focused on moisture inside material. The Chapter 2 focuses on the moisture emitted in the form of vapor into the air. Definition of the humidity Of humidity, it is a representation of a number the wetness in ...

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6. Absorption rate of infrared rays

  【 Infrared Absorption Rate 】 Please confirm the index of absorption of infrared rays in this table. The material absorbed by about 0.5 = 50% or more is suitable for the infrared heating.

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5. 4 basic laws about radiation

1.Planck Radiation Law Max Karl Ernst Ludwig Planck, FRS (23 April 1858 – 4 October 1947) Planck’s law describes the electromagnetic radiation emitted by a black body in thermal equilibrium at a definite temperature. The law is named after Max ...

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4. About heating

The thermal energy transfer from higher temperature to lower temperature. Transfer of the thermal energy , there are three principles, Conduction, Convection, and Radiation. In an actual situation, transfer of the thermal energy is performed in the form these three ...

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3. Type of the infrared rays

Infrared Rays are subdivided into several scheme. ISO 20473 specifies the following scheme: Designation Abbreviation Wavelength Near-Infrared NIR 0.78–3 µm Mid-Infrared MIR 3–50 µm Far-Infrared FIR 50–1000 µm The International Commission on Illumination (CIE) recommended the division of infrared radiation into the following ...

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1-9.How to expressions the constant drying period

Constant drying period is the mass of the water which evaporates per unit time and unit surface area. The unit is kg/s㎡. Constant drying rate Jc is expressed by the following equation. kH: Mass transfer coefficient Hw: Saturated absolute humidity ...

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2. About infrared rays

Although it is not visible, because the light with the power which warms a thing existed “outside red”, it was named “infrared rays.” Infrared rays are the same “Electromagnetic waves” as “X-rays”, “Ultraviolet rays”, “Visible light”, “Microwave”, “Radiofrequency wave”, etc. ...

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1. The discovery of the infrared rays

<Science of the Infrared rays -INDEX- > 1. The discovery of the infrared rays 2. About infrared rays 3. Type of the infrared rays 4. About heating 5. 4 basic laws about radiation 6. Absorption rate of infrared rays 7. ...

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Heat-tech News Letter – Vol. 003

■□■━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━■□■ Heat-tech News Letter – Vol. 003 2014-01-15■━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━■□■ □ INDEX ■1. Guidance of the new product ■2. Guidance of new applications ■3. Support Information ■4. Editor’s note ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓ ■1. Guidance of the new product┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛ 1-1) [ Heater Controller ] We ...

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1-2.The phase shift of the ustulation

Ⅰ.Preheat piriod The material change from initial state to the state that fitted the dry condition. Ⅱ.Constant drying period The surface and the central temperature of materials are kept by the equivalence, and the period which water content decreases linearly ...

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1-1.What is drying

The drying is the process of giving heat and a wind to the moist material containing liquids, a small amount of water and a solvent, evaporating a liquid, removing, and drying a product. As a typical example, in the process ...

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Introduction

Introduction-Science of the drying

More quickly, More uniformly, demanded from the dry process in the manufacture. In order to realize it, it is important to know how heat and a substance will move in the from internal to surface for dryness. In addition, it ...

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