December 2017
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2 Reads
Korean Society of Hazard Mitigation
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December 2017
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2 Reads
Korean Society of Hazard Mitigation
March 2017
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5 Reads
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1 Citation
Transactions of the Korea Society of Geothermal Energy Engineers
December 2016
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11 Reads
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1 Citation
Fire science and engineering
In the event of a building fire, it is important to control the smoke generated to ensure the safe evacuation of occupants. A natural smoke ventilator should be installed to exhaust the fire smoke in accordance with the Korean building Act and Code. On the other hand, the present law does not specify the contents regarding natural smoke ventilators sufficiently. The problems that occur in various parts, such as the installation target, installation location, free area, and the control and maintenance of natural smoke ventilators need to be solved. In this study, the problem of the current system was examined through domestic and foreign standards, preliminary research, and field investigations. In addition, suggestions for improvement are provided.
... Several alternative methodologies can also be employed for the denoising and smoothing of real ocean wave height, including the polynomial function, the Chebyshev filter, and the finite impulse response filter, among others [26][27][28]. Figure 4 illustrates a time domain approach utilizing the polynomial function to denoise and smooth the real ocean wave height, with the polynomial function being of a ninth order. From Figure 4, it can be deduced that an increased quantity of ocean wave height data leads to a greater degree of distortion in the ocean wave height. ...
March 2017
Transactions of the Korea Society of Geothermal Energy Engineers