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Information Journal Paper

Title

DEVELOP OF FLOW RESISTANCE EQUATIONS IN MOUNTAINOUS RIVERS BASED ON EXPERIMENTAL STUDY

Pages

  13-25

Abstract

 The aim of this research is to develop relations to estimate the flow resistance coefficients in gravel-bed channels. In this regards, the experiments were carried out in a tilting flume with length of 8m and width of 0.25 m. In this research, four different bed slopes (0.004, 0.006, 0.008 and 0.01), two gravel types (natural and crushed shapes), three mean diameter (d50) of gravels (65.3, 46.6 and 38 mm) and four discharges (0.01, 0.017, 0.024 and.031 m3/s) were used as a variables. New FLOW RESISTANCE EQUATIONS were developed for natural and crushed gravels by using the new definitions for dimensionless variables in terms of non-dimensional HYDRAULIC GEOMETRY equations. Also, new equations were presented to estimate Manning's roughness coefficient for both shapes. In addition, the results showed that the developed equations based on non-dimensional HYDRAULIC GEOMETRY relations are the best way to link the mean flow velocity to the flow discharge in MOUNTAIN RIVERS.

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    APA: Copy

    HEMMATI, M., & MOSTAFA, V.. (2017). DEVELOP OF FLOW RESISTANCE EQUATIONS IN MOUNTAINOUS RIVERS BASED ON EXPERIMENTAL STUDY. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), 40(SUPPLEMENT 1/1 ), 13-25. SID. https://sid.ir/paper/216914/en

    Vancouver: Copy

    HEMMATI M., MOSTAFA V.. DEVELOP OF FLOW RESISTANCE EQUATIONS IN MOUNTAINOUS RIVERS BASED ON EXPERIMENTAL STUDY. IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2017;40(SUPPLEMENT 1/1 ):13-25. Available from: https://sid.ir/paper/216914/en

    IEEE: Copy

    M. HEMMATI, and V. MOSTAFA, “DEVELOP OF FLOW RESISTANCE EQUATIONS IN MOUNTAINOUS RIVERS BASED ON EXPERIMENTAL STUDY,” IRRIGATION SCIENCES AND ENGINEERING (JISE) (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 40, no. SUPPLEMENT 1/1 , pp. 13–25, 2017, [Online]. Available: https://sid.ir/paper/216914/en

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