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Influence of Inclined Bed Channel on Characteristic of Flow for Step Broad–Crested Weirs

Yıl 2018, Sayı: 2, 118 - 127, 19.08.2018

Öz

Influence of inclined bed channel on
characteristic of flow for step broad–crested weirs was investigated
experimentally. Discharge coefficient,
water surface profile and Froude number were calculated experimentally.The results showed that water surface
profiles were smooth and continues having a descending trend from the point of
measurement taking the shape of the weir with a steep drop near the downstream
face of the weir. Increasing effective head to crest height ratio (He/Y)
and channel bed slope (So), increased the coefficient of discharge
(CD) up to 5%. Also it was found. that for small values of (Fr2),
the weir performance tends to the ideal .and with increase (Fr2),
the discharge coefficient (CD) decrease for all weir models, because
the discharge and the velocity heads increases. Empirical equation was
developed on the basis of obtained results.

Kaynakça

  • Gogus , M. , Defne , Z. and Ozkandemir,V.,(2006). Broad-Crested Weirs with Rectangular Compound Cross Sections. Journal of Irrigation and Drainage Engineering, Vol.132, No.3, June, PP.272-280. Sarker, M .A. and Rhodes, D. G.,( 2004). Calculation of Free-Surface Profile over a Rectangular Broad-Crested Weir. Flow Measurement and Instrumentation,Vol.15, Issue 4, August, PP.215-219. Gonzalez, C.A. and Chanson, H.,( 2007). Experimental Measurement of Velocity and Pressure Distribution on a Large Broad-Crested Weir. Flow Measurement and Instrumentation,Vol.18,Issue 3-4,June-August,PP.107-113. Noori, B. M. and Juma ,I .A.,( 2009). Performance Improvement of Broad Crested Weirs. Journal of Al-Rafidain Eng. / Mosul University, vol.17,no.2,pp.95-107. Al-Talib, A. N. J. (2007). Laboratory Study of Flow Energy Dissipation Using Stepped Weirs M. Sc . Thesis. Engineering College, University of Mosul. Iraq. Hussein H. , Juma I. and Shareef S. (2009). Flow Characteristics and Energy Dissipation Over Single Stepped Broad – Crested Weirs . Journal Al- Rafidain Engineering, College of Engineering University of Mosul. Iraq. Bos, M. G.; Replogle, J. A. and Clemmens , A. J. (1984). Flow Measuring Flumes for Open Channel Systems. John Wiley and Sons, Inc., New York, N.Y. . Boiten , W.,( 2002). Flow Measurement Structures. Flow Measurement and Instrumentation, Vol.13, Issues 5-6, December, PP. 203-207 . Hussein, H.H., Juma, I.A.K., Shareef, S.J.S. (2011). Improving the hydraulic performance of single step broad-crested weirs, Journal of Al-Rafidain Engineering, Mosul University, 7 (1), 1-12.
Yıl 2018, Sayı: 2, 118 - 127, 19.08.2018

Öz

Kaynakça

  • Gogus , M. , Defne , Z. and Ozkandemir,V.,(2006). Broad-Crested Weirs with Rectangular Compound Cross Sections. Journal of Irrigation and Drainage Engineering, Vol.132, No.3, June, PP.272-280. Sarker, M .A. and Rhodes, D. G.,( 2004). Calculation of Free-Surface Profile over a Rectangular Broad-Crested Weir. Flow Measurement and Instrumentation,Vol.15, Issue 4, August, PP.215-219. Gonzalez, C.A. and Chanson, H.,( 2007). Experimental Measurement of Velocity and Pressure Distribution on a Large Broad-Crested Weir. Flow Measurement and Instrumentation,Vol.18,Issue 3-4,June-August,PP.107-113. Noori, B. M. and Juma ,I .A.,( 2009). Performance Improvement of Broad Crested Weirs. Journal of Al-Rafidain Eng. / Mosul University, vol.17,no.2,pp.95-107. Al-Talib, A. N. J. (2007). Laboratory Study of Flow Energy Dissipation Using Stepped Weirs M. Sc . Thesis. Engineering College, University of Mosul. Iraq. Hussein H. , Juma I. and Shareef S. (2009). Flow Characteristics and Energy Dissipation Over Single Stepped Broad – Crested Weirs . Journal Al- Rafidain Engineering, College of Engineering University of Mosul. Iraq. Bos, M. G.; Replogle, J. A. and Clemmens , A. J. (1984). Flow Measuring Flumes for Open Channel Systems. John Wiley and Sons, Inc., New York, N.Y. . Boiten , W.,( 2002). Flow Measurement Structures. Flow Measurement and Instrumentation, Vol.13, Issues 5-6, December, PP. 203-207 . Hussein, H.H., Juma, I.A.K., Shareef, S.J.S. (2011). Improving the hydraulic performance of single step broad-crested weirs, Journal of Al-Rafidain Engineering, Mosul University, 7 (1), 1-12.
Toplam 1 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Konular Mühendislik
Bölüm Makaleler
Yazarlar

Saleh Jaafer Suleıman

Adnan Ismael

Abdulnaser Ahmed

Sulaiman Jasim Al Zubaıdy

Yayımlanma Tarihi 19 Ağustos 2018
Yayımlandığı Sayı Yıl 2018Sayı: 2

Kaynak Göster

APA Suleıman, S. J., Ismael, A., Ahmed, A., Al Zubaıdy, S. J. (2018). Influence of Inclined Bed Channel on Characteristic of Flow for Step Broad–Crested Weirs. The Eurasia Proceedings of Science Technology Engineering and Mathematics(2), 118-127.