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Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate

Yıl 2022, Cilt: 33 Sayı: 4, 12163 - 12182, 01.07.2022
https://doi.org/10.18400/tekderg.707668

Öz

Vortical flow formed by a submerged hydraulic jump may produce significant hydrodynamic lift and drag pressures on a gate beneath the hydraulic jump. In this study, an experimental setup equipped with multi-pressure sensors was used to measure fluctuating impact pressures on the submerged gate for different flow conditions characterized by the inlet Froude number and submergence factor (S). Time-averaged and instantaneous pressure coefficients are evaluated based on simultaneous measurements of wall pressures at multiple locations, including those at the lip and downstream face of the gate. In particular, instantaneous lift pressure coefficients are observed to be independent of the submergence ratio for S > 0.6. It is found that low Froude number flows produce high surface pressure fluctuations and the dominant frequency of pressure fluctuations shifts to higher frequency as the Froude number increases. Pressure measurements for the free hydraulic jump suggest that the power spectra of lift pressure fluctuations are devoid of any significant energy level, whereas the resulting power spectra of the submerged flow exhibits significant energy level in the frequency range of 14-19 Hz. The proposed measurement system can be used for the in situ identification of hydrodynamic pressures acting on the gates in irrigation canals.

Destekleyen Kurum

Scientific and Technological Research Council of Turkey (TUBITAK)

Proje Numarası

216M521

Kaynakça

  • Amir, M., Nikora, V.I., Stewart, M.T., Pressure forces on sediment particle in turbulent open-channel flow: A laboratory study. J. Fluid Mech., 757, 458-497, 2014.
  • Svendsen, I.A., Veeramony J., Bakunin J., Kirby, J.T., The flow in weak turbulent hydraulic jumps. J. Fluid Mech., 418, 25-57, 2000.
  • Long, D., Steffler, P.M., Rajaratnam N., LDA study of flow structure in submerged hydraulic jump. J. Hydraul. Res., 28, 437-460, 1990.
  • Dey, S., Sarkar, A., Response of velocity and turbulence in submerged wall jets to abrupt changes from smooth to rough beds and its application to scour downstream of an apron. J. Fluid Mech., 556, 387-419, 2006.
  • Dey, S., Sarkar, A., Characteristics of turbulent flow in submerged jumps on rough beds. J. Eng. Mech., 134, 49-59, 2008.
  • Gümüş, V., Aköz, M.S., Kırkgöz, M.S., Kapak mansabında batmış hidrolik sıçramanın deneysel ve sayısal modellenmesi. Teknik Dergi, 24(117), 2013.
  • Rajaratnam, N., Advan J. Hydraulic jumps. Hydro-Sci, 4, 197-280, 1967.
  • Thang, N.D., Naudascher, E., Vortex-excited vibration of underflow gates. J. Hydraul. Res. 24, 133-151, 1986.
  • Bhargava, V.P., Narasimhan, S., Pressure fluctuation on gates. J. Hydraul. Res., 27, 215-231, 1989.
  • Fiorotto, V., Rinaldo, A., Turbulent pressure fluctuations under hydraulic jumps. J. Hydraul. Res., 30, 499-520, 1992..
  • Roth, A., Hager, W.H., Underflow of standard sluice gate. J. Exp. Fluid., 27, 339-350, 1999.
  • Billeter, P., Staubli, T., Flow-induced multiple-mode vibrations of gates with submerged discharge. J. Fluids. Struct., 14, 323-338, 2000.
  • Erdbrink, C.D., Krzhizhanovskaya, V.V., Sloot, P.M.A., Reducing cross-flow vibration of underflow gates: Experiments and numerical studies. J. Fluid. Struct., 50, 25-48, 2014.
  • Kampel, I., Prenner, R., Krouzecky, N. Pressure fluctuations on underflow gates of weirs due to upstream vortex generation. Materials Today: Proceedings., 4, 5833-5838, 2017.
  • Smok, S., Demirel, E., Pressure Measurements on the Gate Subjected to Submerged Hydraulic Jump. Advances in Fluid Mechanics, Ljubljana, Slovenia, 2018.
  • Smok, S. Experimental Investigation of Vortex Induced Hydrodynamic Effects Acting on the Submerged Gate and Development of Vortex Breaker Apparatus, Master Thesis, Eskişehir Osmangazi University, 2019.
  • Dios, M., Bombardelli, F.A., Garcia, C.M., Liscia, S.O., Lopardo, R.A., Parravicini, J.A., Experimental characterization of three-dimensional flow vortical structures in submerged hydraulic jumps. J. Hydro-Environ. Res., 15, 1-12, 2017.
  • Bijankhan, M., Kouchazadeh, S., Belaud, G., Application of the submerged experimental velocity profiles for the sluice gate’s stage-discharge relationship. Flow. Meas. Instrum., 54, 97-108, 2017.
  • Murray, R.I., Simmons, W.P., Hydraulic Downpull Forces on Large Gates. Bureau of Reclamation, Report Number Research Report No. 4., 1966.
  • Murzyn, F., Chanson, H., Experimental assessment of scale effects affecting two-phase flow properties in hydraulic jumps. Exp. Fluids, 45, 513-521, 2008.
  • Streeter, V. L., Wylie, E. B., Bedford, K. W., Fluid Mechanics, 9ed, McGraw-Hill, US, 1998.
  • Oppenheim, A.V., Schafer, R.W., Buck, J.R., Discrete-time signal processing, Upper Saddle River, New Jersey, 1999.
  • The MathWorks, Pro-Matlab User’s Guide. South Natick, MA, 1990.
  • Welch, P.D., The use of fast Fourier transforms for estimation of power spectra: A method based on time averaging over short, modified periodograms. IEEE Transactions on Audio and Electroacoustic, 15, 70-73, 1967.

Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate

Yıl 2022, Cilt: 33 Sayı: 4, 12163 - 12182, 01.07.2022
https://doi.org/10.18400/tekderg.707668

Öz

Vortical flow formed by a submerged hydraulic jump may produce significant hydrodynamic lift and drag pressures on a gate beneath the hydraulic jump. In this study, an experimental setup equipped with multi-pressure sensors was used to measure fluctuating impact pressures on the submerged gate for different flow conditions characterized by the inlet Froude number and submergence factor (S). Time-averaged and instantaneous pressure coefficients are evaluated based on simultaneous measurements of wall pressures at multiple locations, including those at the lip and downstream face of the gate. In particular, instantaneous lift pressure coefficients are observed to be independent of the submergence ratio for S > 0.6. It is found that low Froude number flows produce high surface pressure fluctuations and the dominant frequency of pressure fluctuations shifts to higher frequency as the Froude number increases. Pressure measurements for the free hydraulic jump suggest that the power spectra of lift pressure fluctuations are devoid of any significant energy level, whereas the resulting power spectra of the submerged flow exhibits significant energy level in the frequency range of 14-19 Hz. The proposed measurement system can be used for the in situ identification of hydrodynamic pressures acting on the gates in irrigation canals.

Proje Numarası

216M521

Kaynakça

  • Amir, M., Nikora, V.I., Stewart, M.T., Pressure forces on sediment particle in turbulent open-channel flow: A laboratory study. J. Fluid Mech., 757, 458-497, 2014.
  • Svendsen, I.A., Veeramony J., Bakunin J., Kirby, J.T., The flow in weak turbulent hydraulic jumps. J. Fluid Mech., 418, 25-57, 2000.
  • Long, D., Steffler, P.M., Rajaratnam N., LDA study of flow structure in submerged hydraulic jump. J. Hydraul. Res., 28, 437-460, 1990.
  • Dey, S., Sarkar, A., Response of velocity and turbulence in submerged wall jets to abrupt changes from smooth to rough beds and its application to scour downstream of an apron. J. Fluid Mech., 556, 387-419, 2006.
  • Dey, S., Sarkar, A., Characteristics of turbulent flow in submerged jumps on rough beds. J. Eng. Mech., 134, 49-59, 2008.
  • Gümüş, V., Aköz, M.S., Kırkgöz, M.S., Kapak mansabında batmış hidrolik sıçramanın deneysel ve sayısal modellenmesi. Teknik Dergi, 24(117), 2013.
  • Rajaratnam, N., Advan J. Hydraulic jumps. Hydro-Sci, 4, 197-280, 1967.
  • Thang, N.D., Naudascher, E., Vortex-excited vibration of underflow gates. J. Hydraul. Res. 24, 133-151, 1986.
  • Bhargava, V.P., Narasimhan, S., Pressure fluctuation on gates. J. Hydraul. Res., 27, 215-231, 1989.
  • Fiorotto, V., Rinaldo, A., Turbulent pressure fluctuations under hydraulic jumps. J. Hydraul. Res., 30, 499-520, 1992..
  • Roth, A., Hager, W.H., Underflow of standard sluice gate. J. Exp. Fluid., 27, 339-350, 1999.
  • Billeter, P., Staubli, T., Flow-induced multiple-mode vibrations of gates with submerged discharge. J. Fluids. Struct., 14, 323-338, 2000.
  • Erdbrink, C.D., Krzhizhanovskaya, V.V., Sloot, P.M.A., Reducing cross-flow vibration of underflow gates: Experiments and numerical studies. J. Fluid. Struct., 50, 25-48, 2014.
  • Kampel, I., Prenner, R., Krouzecky, N. Pressure fluctuations on underflow gates of weirs due to upstream vortex generation. Materials Today: Proceedings., 4, 5833-5838, 2017.
  • Smok, S., Demirel, E., Pressure Measurements on the Gate Subjected to Submerged Hydraulic Jump. Advances in Fluid Mechanics, Ljubljana, Slovenia, 2018.
  • Smok, S. Experimental Investigation of Vortex Induced Hydrodynamic Effects Acting on the Submerged Gate and Development of Vortex Breaker Apparatus, Master Thesis, Eskişehir Osmangazi University, 2019.
  • Dios, M., Bombardelli, F.A., Garcia, C.M., Liscia, S.O., Lopardo, R.A., Parravicini, J.A., Experimental characterization of three-dimensional flow vortical structures in submerged hydraulic jumps. J. Hydro-Environ. Res., 15, 1-12, 2017.
  • Bijankhan, M., Kouchazadeh, S., Belaud, G., Application of the submerged experimental velocity profiles for the sluice gate’s stage-discharge relationship. Flow. Meas. Instrum., 54, 97-108, 2017.
  • Murray, R.I., Simmons, W.P., Hydraulic Downpull Forces on Large Gates. Bureau of Reclamation, Report Number Research Report No. 4., 1966.
  • Murzyn, F., Chanson, H., Experimental assessment of scale effects affecting two-phase flow properties in hydraulic jumps. Exp. Fluids, 45, 513-521, 2008.
  • Streeter, V. L., Wylie, E. B., Bedford, K. W., Fluid Mechanics, 9ed, McGraw-Hill, US, 1998.
  • Oppenheim, A.V., Schafer, R.W., Buck, J.R., Discrete-time signal processing, Upper Saddle River, New Jersey, 1999.
  • The MathWorks, Pro-Matlab User’s Guide. South Natick, MA, 1990.
  • Welch, P.D., The use of fast Fourier transforms for estimation of power spectra: A method based on time averaging over short, modified periodograms. IEEE Transactions on Audio and Electroacoustic, 15, 70-73, 1967.
Toplam 24 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Konular İnşaat Mühendisliği
Bölüm Makale
Yazarlar

Sochheat Smok Bu kişi benim 0000-0001-9662-3517

Mehmet Anıl Kızılaslan 0000-0002-0621-4646

Adnan Kürümüş 0000-0002-2694-067X

Ender Demirel 0000-0002-0440-7866

Proje Numarası 216M521
Yayımlanma Tarihi 1 Temmuz 2022
Gönderilme Tarihi 23 Mart 2020
Yayımlandığı Sayı Yıl 2022 Cilt: 33 Sayı: 4

Kaynak Göster

APA Smok, S., Kızılaslan, M. A., Kürümüş, A., Demirel, E. (2022). Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate. Teknik Dergi, 33(4), 12163-12182. https://doi.org/10.18400/tekderg.707668
AMA Smok S, Kızılaslan MA, Kürümüş A, Demirel E. Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate. Teknik Dergi. Temmuz 2022;33(4):12163-12182. doi:10.18400/tekderg.707668
Chicago Smok, Sochheat, Mehmet Anıl Kızılaslan, Adnan Kürümüş, ve Ender Demirel. “Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate”. Teknik Dergi 33, sy. 4 (Temmuz 2022): 12163-82. https://doi.org/10.18400/tekderg.707668.
EndNote Smok S, Kızılaslan MA, Kürümüş A, Demirel E (01 Temmuz 2022) Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate. Teknik Dergi 33 4 12163–12182.
IEEE S. Smok, M. A. Kızılaslan, A. Kürümüş, ve E. Demirel, “Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate”, Teknik Dergi, c. 33, sy. 4, ss. 12163–12182, 2022, doi: 10.18400/tekderg.707668.
ISNAD Smok, Sochheat vd. “Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate”. Teknik Dergi 33/4 (Temmuz 2022), 12163-12182. https://doi.org/10.18400/tekderg.707668.
JAMA Smok S, Kızılaslan MA, Kürümüş A, Demirel E. Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate. Teknik Dergi. 2022;33:12163–12182.
MLA Smok, Sochheat vd. “Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate”. Teknik Dergi, c. 33, sy. 4, 2022, ss. 12163-82, doi:10.18400/tekderg.707668.
Vancouver Smok S, Kızılaslan MA, Kürümüş A, Demirel E. Experimental Study of Hydrodynamic Pressures Acting on a Submerged Gate. Teknik Dergi. 2022;33(4):12163-82.