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A Smart Window for Angular Selective Filtering of Direct Solar Radiation.

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Title: A Smart Window for Angular Selective Filtering of Direct Solar Radiation.
Authors: Zakirullin, Rustam S.1 rustam.zakirullin@gmail.com
Source: Journal of Solar Energy Engineering. Feb2020, Vol. 142 Issue 1, p1-5. 5p.
Subjects: Electrochromic windows, Solar radiation, Light transmission, Light filters, Optical gratings, Computer simulation, Light scattering, Filters & filtration
Abstract: Thin-film grating coatings are proposed for smart windows to angular selective filtering of solar radiation. The gratings are formed by absorptive, reflective, or scattering parallel strips (made of chromogenic or other materials) alternating with directionally transmissive strips (untreated surface of pure glass) on two surfaces of the window pane(s). The smart window with grating optical filter has angular selective light transmission and partially or completely blocks the direct solar radiation in a preset angular range and transmits the scattered and reflected radiation without using the daylight redistribution devices. The results of numerical simulation and experimental confirmation of optimum slope angle of the strips on the pane(s), their widths, and relative position on two surfaces to minimize the directional light transmission of the window at the preset date and time of day taking into account orientation of the window to the cardinal, the latitude of the building, and the seasonal and daily distribution of the solar radiation intensity are demonstrated. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Solar Energy Engineering is the property of American Society of Mechanical Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 141268280
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: A Smart Window for Angular Selective Filtering of Direct Solar Radiation.
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  Data: <searchLink fieldCode="AR" term="%22Zakirullin%2C+Rustam+S%2E%22">Zakirullin, Rustam S.</searchLink><relatesTo>1</relatesTo><i> rustam.zakirullin@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Solar+Energy+Engineering%22">Journal of Solar Energy Engineering</searchLink>. Feb2020, Vol. 142 Issue 1, p1-5. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Electrochromic+windows%22">Electrochromic windows</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+radiation%22">Solar radiation</searchLink><br /><searchLink fieldCode="DE" term="%22Light+transmission%22">Light transmission</searchLink><br /><searchLink fieldCode="DE" term="%22Light+filters%22">Light filters</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+gratings%22">Optical gratings</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Light+scattering%22">Light scattering</searchLink><br /><searchLink fieldCode="DE" term="%22Filters+%26+filtration%22">Filters & filtration</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Thin-film grating coatings are proposed for smart windows to angular selective filtering of solar radiation. The gratings are formed by absorptive, reflective, or scattering parallel strips (made of chromogenic or other materials) alternating with directionally transmissive strips (untreated surface of pure glass) on two surfaces of the window pane(s). The smart window with grating optical filter has angular selective light transmission and partially or completely blocks the direct solar radiation in a preset angular range and transmits the scattered and reflected radiation without using the daylight redistribution devices. The results of numerical simulation and experimental confirmation of optimum slope angle of the strips on the pane(s), their widths, and relative position on two surfaces to minimize the directional light transmission of the window at the preset date and time of day taking into account orientation of the window to the cardinal, the latitude of the building, and the seasonal and daily distribution of the solar radiation intensity are demonstrated. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Solar Energy Engineering is the property of American Society of Mechanical Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1115/1.4044059
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 5
        StartPage: 1
    Subjects:
      – SubjectFull: Electrochromic windows
        Type: general
      – SubjectFull: Solar radiation
        Type: general
      – SubjectFull: Light transmission
        Type: general
      – SubjectFull: Light filters
        Type: general
      – SubjectFull: Optical gratings
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Light scattering
        Type: general
      – SubjectFull: Filters & filtration
        Type: general
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      – TitleFull: A Smart Window for Angular Selective Filtering of Direct Solar Radiation.
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              M: 02
              Text: Feb2020
              Type: published
              Y: 2020
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              Value: 142
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