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Empirical Evaluation of Variation of Orifice Blocking Ratio in a Tuned Liquid Column Damper using Frequency Response Function Measurement

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@article{IJASEIT4163,
   author = {Lovely Son and Marshal Marshal and Mulyadi Bur},
   title = {Empirical Evaluation of Variation of Orifice Blocking Ratio in a Tuned Liquid Column Damper using Frequency Response Function Measurement},
   journal = {International Journal on Advanced Science, Engineering and Information Technology},
   volume = {8},
   number = {2},
   year = {2018},
   pages = {489--494},
   keywords = {TLCD, orifice, damping factor, blocking ratio.},
   abstract = {Tuned liquid column damper (TLCD) is a simple technique used to increase the structure resistance to the external load. This type of damper can effectively decrease the structure response when the TLCD parameters such as the natural frequency and damping factor are well selected. Even though several TLCD models have been proposed and many algorithms to optimize the TLCD parameters have been developed. However, it is very little research has been conducted to evaluate the TLCD damping factor experimentally. A simple method for adjusting the TLCD damping factor empirically is by varying the orifice blocking ratio. In this research, 5 types of blocking ratio were trialled in the TLCD. They were without orifice and with 2, 4, 6 and 8 18 mm diameter orifices. The TLCD is positioned at the second floor of a Two-DOF shear structure. A frequency response function showing the ratio between the response magnitude and the excitation force on the structure in the frequency domain was recorded for each trial. The results show that the TLCDs with orifices damped vibrations more effectively than the one without orifice. The larger the blocking ratio, the larger the TLCD damping factor. Two 18 mm orifices were insufficient to damp the vibration as the blocking ratio is too large and TLCD is less responsive to the vibrations. The optimum condition of a U-Shaped TLCD blocking ratio was found to be 70.77% which corresponded to 4 holes of 18 mm orifice diameter. This type of TLCD dampened up to 80.04% of the vibration magnitude.},
   issn = {2088-5334},
   publisher = {INSIGHT - Indonesian Society for Knowledge and Human Development},
   url = {http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=4163},
   doi = {10.18517/ijaseit.8.2.4163}
}

EndNote

%A Son, Lovely
%A Marshal, Marshal
%A Bur, Mulyadi
%D 2018
%T Empirical Evaluation of Variation of Orifice Blocking Ratio in a Tuned Liquid Column Damper using Frequency Response Function Measurement
%B 2018
%9 TLCD, orifice, damping factor, blocking ratio.
%! Empirical Evaluation of Variation of Orifice Blocking Ratio in a Tuned Liquid Column Damper using Frequency Response Function Measurement
%K TLCD, orifice, damping factor, blocking ratio.
%X Tuned liquid column damper (TLCD) is a simple technique used to increase the structure resistance to the external load. This type of damper can effectively decrease the structure response when the TLCD parameters such as the natural frequency and damping factor are well selected. Even though several TLCD models have been proposed and many algorithms to optimize the TLCD parameters have been developed. However, it is very little research has been conducted to evaluate the TLCD damping factor experimentally. A simple method for adjusting the TLCD damping factor empirically is by varying the orifice blocking ratio. In this research, 5 types of blocking ratio were trialled in the TLCD. They were without orifice and with 2, 4, 6 and 8 18 mm diameter orifices. The TLCD is positioned at the second floor of a Two-DOF shear structure. A frequency response function showing the ratio between the response magnitude and the excitation force on the structure in the frequency domain was recorded for each trial. The results show that the TLCDs with orifices damped vibrations more effectively than the one without orifice. The larger the blocking ratio, the larger the TLCD damping factor. Two 18 mm orifices were insufficient to damp the vibration as the blocking ratio is too large and TLCD is less responsive to the vibrations. The optimum condition of a U-Shaped TLCD blocking ratio was found to be 70.77% which corresponded to 4 holes of 18 mm orifice diameter. This type of TLCD dampened up to 80.04% of the vibration magnitude.
%U http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=4163
%R doi:10.18517/ijaseit.8.2.4163
%J International Journal on Advanced Science, Engineering and Information Technology
%V 8
%N 2
%@ 2088-5334

IEEE

Lovely Son,Marshal Marshal and Mulyadi Bur,"Empirical Evaluation of Variation of Orifice Blocking Ratio in a Tuned Liquid Column Damper using Frequency Response Function Measurement," International Journal on Advanced Science, Engineering and Information Technology, vol. 8, no. 2, pp. 489-494, 2018. [Online]. Available: http://dx.doi.org/10.18517/ijaseit.8.2.4163.

RefMan/ProCite (RIS)

TY  - JOUR
AU  - Son, Lovely
AU  - Marshal, Marshal
AU  - Bur, Mulyadi
PY  - 2018
TI  - Empirical Evaluation of Variation of Orifice Blocking Ratio in a Tuned Liquid Column Damper using Frequency Response Function Measurement
JF  - International Journal on Advanced Science, Engineering and Information Technology; Vol. 8 (2018) No. 2
Y2  - 2018
SP  - 489
EP  - 494
SN  - 2088-5334
PB  - INSIGHT - Indonesian Society for Knowledge and Human Development
KW  - TLCD, orifice, damping factor, blocking ratio.
N2  - Tuned liquid column damper (TLCD) is a simple technique used to increase the structure resistance to the external load. This type of damper can effectively decrease the structure response when the TLCD parameters such as the natural frequency and damping factor are well selected. Even though several TLCD models have been proposed and many algorithms to optimize the TLCD parameters have been developed. However, it is very little research has been conducted to evaluate the TLCD damping factor experimentally. A simple method for adjusting the TLCD damping factor empirically is by varying the orifice blocking ratio. In this research, 5 types of blocking ratio were trialled in the TLCD. They were without orifice and with 2, 4, 6 and 8 18 mm diameter orifices. The TLCD is positioned at the second floor of a Two-DOF shear structure. A frequency response function showing the ratio between the response magnitude and the excitation force on the structure in the frequency domain was recorded for each trial. The results show that the TLCDs with orifices damped vibrations more effectively than the one without orifice. The larger the blocking ratio, the larger the TLCD damping factor. Two 18 mm orifices were insufficient to damp the vibration as the blocking ratio is too large and TLCD is less responsive to the vibrations. The optimum condition of a U-Shaped TLCD blocking ratio was found to be 70.77% which corresponded to 4 holes of 18 mm orifice diameter. This type of TLCD dampened up to 80.04% of the vibration magnitude.
UR  - http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=4163
DO  - 10.18517/ijaseit.8.2.4163

RefWorks

RT Journal Article
ID 4163
A1 Son, Lovely
A1 Marshal, Marshal
A1 Bur, Mulyadi
T1 Empirical Evaluation of Variation of Orifice Blocking Ratio in a Tuned Liquid Column Damper using Frequency Response Function Measurement
JF International Journal on Advanced Science, Engineering and Information Technology
VO 8
IS 2
YR 2018
SP 489
OP 494
SN 2088-5334
PB INSIGHT - Indonesian Society for Knowledge and Human Development
K1 TLCD, orifice, damping factor, blocking ratio.
AB Tuned liquid column damper (TLCD) is a simple technique used to increase the structure resistance to the external load. This type of damper can effectively decrease the structure response when the TLCD parameters such as the natural frequency and damping factor are well selected. Even though several TLCD models have been proposed and many algorithms to optimize the TLCD parameters have been developed. However, it is very little research has been conducted to evaluate the TLCD damping factor experimentally. A simple method for adjusting the TLCD damping factor empirically is by varying the orifice blocking ratio. In this research, 5 types of blocking ratio were trialled in the TLCD. They were without orifice and with 2, 4, 6 and 8 18 mm diameter orifices. The TLCD is positioned at the second floor of a Two-DOF shear structure. A frequency response function showing the ratio between the response magnitude and the excitation force on the structure in the frequency domain was recorded for each trial. The results show that the TLCDs with orifices damped vibrations more effectively than the one without orifice. The larger the blocking ratio, the larger the TLCD damping factor. Two 18 mm orifices were insufficient to damp the vibration as the blocking ratio is too large and TLCD is less responsive to the vibrations. The optimum condition of a U-Shaped TLCD blocking ratio was found to be 70.77% which corresponded to 4 holes of 18 mm orifice diameter. This type of TLCD dampened up to 80.04% of the vibration magnitude.
LK http://ijaseit.insightsociety.org/index.php?option=com_content&view=article&id=9&Itemid=1&article_id=4163
DO  - 10.18517/ijaseit.8.2.4163