Reza Norouzi

Reza Norouzi
University of Maragheh

PhD in Water Engineering (Hydraulic Structures)
Founder of DaneshAb - Researcher

About

43
Publications
8,455
Reads
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200
Citations
Introduction
Reza Norouzi Received his B.S, M.Sc, and Ph.D. Degree in Water Engineering from Mohaghegh Ardabili, Tabriz, and Tabriz University in 2014, 2016, and 2020 respectively. His Research Interests Include Hydraulic, Geotechnic, Numerical Modeling, and Intelligence Models. Academic Email: norouzi@maragheh.ac.ir
Additional affiliations
June 2021 - present
University of Maragheh
Position
  • Sessional lecturer

Publications

Publications (43)
Article
Full-text available
One of the most effective ways to dissipate the destructive energy of water downstream of a flow control structure is the interference of water with air (such as a vertical drop). In this study, the hydraulic parameters of a vertical drop equipped with dual horizontal screens and with the subcritical upstream flow were investigated. Experiments wer...
Article
Gates in dams and irrigation canals have been used for the purpose of controlling discharge or water surface regulation. To compute the discharge under a gate, discharge coefficient (Cd) should be first determined precisely. From a novel point of view, this study investigates the effect of sill shape under the vertical sluice gate on Cd using four...
Article
One type of long-crested weir is oblique weir. Oblique weirs are longer than standard weirs. Therefore, they can pass more discharge capacity than weirs at the given channel width. The main objective of the present study was to investigate the efficacy of several intelligent models including multiple linear regression (MLR), Gaussian process regres...
Article
Full-text available
In the present study, the performance of the support vector machine for estimating vertical drop hydraulic parameters in the presence of dual horizontal screens has been investigated. For this purpose, 120 different laboratory data were used to estimate three parameters of the drop: the relative length, the downstream relative depth, and the residu...
Article
Full-text available
Drainage systems for embankment dams are arrangements that collect seepage water in downstream areas. A relief well downstream of a hydraulic structures is one way to reduce the water pressure underneath the structure and thereby improve stability. The design of relief wells includes the determination of the distance of the relief wells from each o...
Article
Full-text available
This study investigates experimentally and numerically the effects of sills with different geometric specifications at various positions on the hydraulic characteristics of flow through sluice gates. The simulation results showed that the RNG turbulence model’s statistical indicators yield high accuracy compared to the k-ε, k-ω, and LES turbulence...
Article
Full-text available
The aim of this study is to optimize the geometric dimensions of the Koyna concrete weight dam with and without seismic forces using the grasshopper optimizer algorithm (GOA). In the methodology section of this paper, the geometric parameters of the dam are provided as input data to an objective function minimizing the geometric dimensions and conc...
Article
Full-text available
The purpose of this study is to investigate the flow pattern and discharge coefficient of sluice gate with the non-suppressed sill in experimental and numerical conditions. For this purpose, the sill of a rectangular cube in widths of 7.5, 10, 15, and 20 cm was installed under the sluice gate. Experimental results showed that placing a non-suppress...
Conference Paper
Full-text available
کنترل دبی عبوری از زیر دریچه¬های کشویی از جمله مسائل مهم در مهندسی هیدرولیک می¬باشد. در تحقیق حاضر اثر میزان بازشدگی دریچه و وجود آستانه زیر دریچه کشویی با ارتفاع‌های متفاوت بر ضریب‌دبی در حالت جریان آزاد با استفاده از نرم‌افزار FLOW-3D مورد بررسی قرار گرفت. در گام اول پس از حساسیت¬سنجی، مش با سایز006/0 متر، به¬عنوان مش بهینه انتخاب گردید. بررسی مد...
Article
Full-text available
Introduction: The ease of installing sluice gates and simplicity of their equations resulted in sluice gates as one of the most widely used hydraulic structures in regulating and controlling the water level. Several factors are discussed on the discharge coefficient of the sluice gate, including the effect of sill under the gate. The most important...
Article
Full-text available
Here, contraction coefficient, discharge coefficient, hydraulic jump length and relative energy dissipation in which the gate acts as a supercritical flow generator were investigated at different openings. Maximum value of the contraction coefficient is related to the gate with lowest amount of opening. The amount of gate opening is inversely relat...
Article
Full-text available
The purpose of this study is to provide an equation for prediction of discharge coefficient (Cd) for triangular plan sharp-crested weirs. Using laboratory data, a regression equation was presented based on h/p and α parameters with a reasonable accuracy. In addition, the performance of artificial neural network (ANN), gene expression programming (G...
Conference Paper
Full-text available
هدف از تحقیق حاضر، بررسی آزمایشگاهی تأثیر میزان بازشدگی دریچه و همچنین تأثیر وجود آستانه با عرض‌های متفاوت بر استهلاک انرژی در شرایط جریان آزاد است. مدل فیزیکی آستانه‌ها شامل آستانه‌های مستطیلی در ابعاد و بازشدگی‌های مختلف می‌باشد. بررسی نتایج نشان داد که در حالت بدون آستانه و در بازشدگی‌های مختلف، افت انرژی نسبی با میزان بازشدگی دریچه رابطه عکس دا...
Article
Full-text available
The importance of water control and distribution in irrigation and behind dams requires the use of practical and modern methods. The presence of sill under sluice gate is one of the solutions to control the flow rate. Therefore, this study was conducted to numerically investigate the discharge coefficient (Cd) of sluice gate with different heights...
Article
Full-text available
In design of hydraulic structures cutoff walls are needed for reduction of uplift force and exit hydraulic gradient. Upstream cutoff wall is used for reduction of the uplift force and downstream cutoff wall is used for reduction of the exit hydraulic gradient. This study tends to numerically investigate the double-cutoff beneath the hydraulic struc...
Article
Full-text available
This study was designed to evaluate the ability of Artificial Intelligence (AI) methods including ANN, ANFIS, GRNN, SVM, GP, LR, and MLR to predict the relative energy dissipation (ΔE/Eu) for vertical drops equipped with a horizontal screen. For this study, 108 experiments were carried out to investigate energy dissipation. In the experiments, the...
Article
Full-text available
Proportional weirs are of great importance in flow measurement due to providing the required accuracy in estimating the flow rate. In this study, the hydraulic parameters such as velocity distribution and velocity vectors, fluid pressure distribution in channel and weir, Froude number, stage-discharge diagram and discharge coefficient of chimney we...
Article
Full-text available
Groundwater is one of the most important water resources in arid and semi-arid regions. Increased water consumption due to population growth, has a great impact on quality and quantity of water supply. The main aim of this study was to evaluate the accuracy of interpolation methods for predicting the spatial distribution of some groundwater quality...
Article
Full-text available
In the present study, vertical screens were utilized at downstream of vertical drops to increase the energy dissipation of subcritical flow. The experiments were carried out using screens with two different porosity ratios (40% and 50%) and three different distances from the drop brink (30, 60 and 90 cm). The results reveal that drops equipped with...
Article
In the present study, the behavior of hydraulic parameters is investigated for a vertical drop equipped with a horizontal screen. A total of 105 experiments were carried out over a range of parameters, which comprise pool depth, downstream depth, wetted length of the screen, relative mixing length, and energy dissipation with discharge variability...
Article
Full-text available
Water seepage affects dam stability and loss of water from reservoirs. Consequently, seepage is an important problem in the design, implementation, and operation of embankment dams. One type of embankment dam is a non-homogeneous (zoned) dam with a clay core. Water passes through the core of the dam and loses much of its energy due to friction. Zon...
Article
Full-text available
This study investigates the energy dissipation of flow due to the use of vertical screens with two porosity ratios located downstream of inclined drops. The drops are varied with three different angles, two drop heights, and a relative critical depth that ranges from 0.09 to 0.35. The results indicate that the use of a vertical screen downstream of...
Article
Full-text available
The purpose of this study is to provide an equation for prediction of discharge coefficient (Cd) for triangular plan sharp-crested weirs. Using laboratory data, a regression equation was presented based on h/p and α parameters with a reasonable accuracy. In addition, the performance of artificial neural network (ANN), gene expression programming (G...
Article
Full-text available
The present study investigates the effects of clay core thickness and cutoff wall depth on some of the design parameters in the Sabalan rock fill dam by the finite-element method using the SEEP/W software. Clay cores with various thicknesses and cutoff walls in different situations of dam foundations were tested. The results revealed that (1) the m...
Article
Full-text available
Weirs are one the most important hydraulic structures for flow control, water measurement and regulating of upstream water elevation in canals, irrigation networks and rivers. For a given of channel width, inclined weirs have longer effective length in comparison with the usual rectangular sharp crested weirs, and this could be effective on their d...
Article
Full-text available
The triangular in plan sharp-crested weirs do not have a direct and straight edge and are in good agreement with the broken line. The aim of the present study is to provide an equation for discharge coefficient (Cd) for these types of weirs. Using laboratory data based on h/p and α parameters, a regression equation was presented. The results of the...
Conference Paper
The triangular in plan sharp-crested weirs do not have a direct and straight edge and are in good agreement with the broken line. The aim of the current study is to present an equation for Cd of these types of weirs. Finally, a regression equation was presented using laboratory data based on h/p and α parameters. In addition, the performance of ANN...
Conference Paper
Weirs are used for regulating the water level and controlling the flow in canals and hydraulic structures. Labyrinth weirs are a type of indirect weirs that, by increasing the effective length, pass a certain amount of flow with a lower upstream water level than linear weirs. In this study, the performance of multi-layer perceptron (MLP), radial ne...
Article
Full-text available
The aim of the current study, investigate the energy dissipation of the use of the vertical screen with two porosity ratios at downstream of the inclined drop with three different angles, two height of the drop and the range of 200-700 l/min with an analysis of 140 laboratory models. The results revealed that the use of screens caused by an increas...
Article
Full-text available
Weirs are a commonly used system to adjust water surface level and to control the flow in canals and hydraulic structures. Labyrinth weirs are a type of weirs that can pass through a certain amount of flow which has a lower upstream water level than the linear weirs, by increasing the effective length. In the present study, the performance of multi...
Article
Weirs are a commonly used system to adjust water surface level and to control the fow in canals and hydraulic structures. Labyrinth weirs are a type of weirs that can pass through a certain amount of fow which has a lower upstream water level than the linear weirs, by increasing the efective length. In the present study, the performance of multilay...
Book
توضیحاتی در مورد کتاب: این کتاب در چهار فصل تنظیم شده است. در فصل اول به مبانی تئوری روش­ های پایداری شیب پرداخته شده است. فصل اول با ارائه تعدادی از مسائل خاتمه می­یابد. اکثر این مسائل دارای پاسخ­های تشریحی هستند ولی برخی بدون جواب و بر عهده خواننده گذاشته شده است. پاسخ­نامه سئوالات تستی در ضمیمه کتاب آورده شده است. در فصل دوم به اصول کار با نرم­...
Article
Full-text available
management of these resources. The use of modern methods, including ANN and evolutionary algorithms in estimating water quality, due to its high speed, convergence and efficiency, saves and reduces costs and the best management. The main purpose of this study is to evaluate the results of the chemical analysis of groundwater samples from 14 wells i...
Article
Full-text available
Gates in dams and irrigation canals are used for control of discharge or water surface regulation. To determine the discharge under a gate, discharge coefficient (Cd) should be determined. This study investigates the effect of sill shape under the vertical sluice gate on Cd. Both of sill shape and sill height are investigated. Investigated shapes c...
Article
Full-text available
Every year heavy rainfall cause many slope failures. In these rainfalls, the groundwater table increases that cause in increasing of pore water pressure and reduction of slope stability. Using horizontal drains is an effective and economical method to control the slope stability in this condition. The purpose of this study is to investigate the per...
Article
Full-text available
Seepage and water flow is one of the most important factors in design of earth and rockfill dams. The seepage through the foundation of earth dams can be controlled using the cut off walls. The hydraulic head reduces in the connection zone of the cut off wall and core of the dam that results in high hydraulic gradients. Therefore, this study invest...
Thesis
All water reservoirs and containers are exposed to water flow in their sides, foundation and sometimes body. Therefore, the water inside the reservoir is always seeking to get out of the cracks and gaps at the joining points between dam and its foundation, through pores in the soil and body of the dam as a seepage from its bottom and emerge in its...

Questions

Question (1)
Question
I have encountered this while running a simulation on fluent.
the following are the exact words.
  • Error: floating point error: invalid number
  • Error: object:()
Can anybody help me out?

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