Condition monitoring of cooling tower fan using K‐band Doppler radar

A contactless condition monitoring technique for cooling tower fans is proposed using K‐band Doppler radar. The system is realized using a commercial K‐band Doppler radar module, the Hilbert transform is adopted to minimize the hardware complexity, and the Fourier transform is used to analyze the re...

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Published inMicrowave and optical technology letters Vol. 61; no. 1; pp. 158 - 162
Main Authors Im, Yun‐Taek, Doo, Seung‐Gyu, Hwang, Jeong‐Sik
Format Journal Article
LanguageEnglish
Published Hoboken, USA John Wiley & Sons, Inc 01.01.2019
Wiley Subscription Services, Inc
Subjects
aging management
Condition monitoring
Cooling
cooling tower fan
Cooling towers
CW radar
Doppler radar
Fourier transforms
Hilbert transformation
Maintenance management
rotating machinery
Thermal control systems
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Abstract A contactless condition monitoring technique for cooling tower fans is proposed using K‐band Doppler radar. The system is realized using a commercial K‐band Doppler radar module, the Hilbert transform is adopted to minimize the hardware complexity, and the Fourier transform is used to analyze the received signal. The proposed system has several advantages. First, Doppler radar is less vulnerable to the adverse effects of scattering from mist or dust, since the wavelength of a microwave is longer than that of a laser. Second, the proposed radar system can be applied to any sized fans, although it is suitable for cooling tower fans. Third, it can be easily implemented in a low‐cost manner. The test results show that the RPM of the HANARO cooling tower fan agree with that of the motor in both low‐speed and high‐speed modes. The proposed system can be applied to the condition monitoring of cooling tower fans in thermal control systems.
AbstractList Abstract A contactless condition monitoring technique for cooling tower fans is proposed using K‐band Doppler radar. The system is realized using a commercial K‐band Doppler radar module, the Hilbert transform is adopted to minimize the hardware complexity, and the Fourier transform is used to analyze the received signal. The proposed system has several advantages. First, Doppler radar is less vulnerable to the adverse effects of scattering from mist or dust, since the wavelength of a microwave is longer than that of a laser. Second, the proposed radar system can be applied to any sized fans, although it is suitable for cooling tower fans. Third, it can be easily implemented in a low‐cost manner. The test results show that the RPM of the HANARO cooling tower fan agree with that of the motor in both low‐speed and high‐speed modes. The proposed system can be applied to the condition monitoring of cooling tower fans in thermal control systems.
A contactless condition monitoring technique for cooling tower fans is proposed using K‐band Doppler radar. The system is realized using a commercial K‐band Doppler radar module, the Hilbert transform is adopted to minimize the hardware complexity, and the Fourier transform is used to analyze the received signal. The proposed system has several advantages. First, Doppler radar is less vulnerable to the adverse effects of scattering from mist or dust, since the wavelength of a microwave is longer than that of a laser. Second, the proposed radar system can be applied to any sized fans, although it is suitable for cooling tower fans. Third, it can be easily implemented in a low‐cost manner. The test results show that the RPM of the HANARO cooling tower fan agree with that of the motor in both low‐speed and high‐speed modes. The proposed system can be applied to the condition monitoring of cooling tower fans in thermal control systems.
Author Im, Yun‐Taek
Doo, Seung‐Gyu
Hwang, Jeong‐Sik
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Snippet A contactless condition monitoring technique for cooling tower fans is proposed using K‐band Doppler radar. The system is realized using a commercial K‐band...
Abstract A contactless condition monitoring technique for cooling tower fans is proposed using K‐band Doppler radar. The system is realized using a commercial...
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crossref
wiley
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StartPage 158
SubjectTerms aging management
Condition monitoring
Cooling
cooling tower fan
Cooling towers
CW radar
Doppler radar
Fourier transforms
Hilbert transformation
Maintenance management
rotating machinery
Thermal control systems
Title Condition monitoring of cooling tower fan using K‐band Doppler radar
URI https://onlinelibrary.wiley.com/doi/abs/10.1002%2Fmop.31537
https://www.proquest.com/docview/2155034559
Volume 61
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