深井试验模拟中形成的砾石层厚度对泵工作特性及扬程损失的影响

IF 0.8 4区 工程技术 Q4 ENGINEERING, CIVIL Teknik Dergi Pub Date : 2021-11-01 DOI:10.18400/tekderg.691948
N. Orhan, O. Özbek, A. Şeflek
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引用次数: 1

摘要

本研究是在一个用于典型灌溉研究的深井模拟器中进行的。在这项工作中,分析了井中使用的三种不同砾石层厚度的泵流量、压降、噪声水平和泵压力的变化。研究发现,在泵送过程中,高砾石层厚度增加了井的压降水平。当压降为40、45、50和55 m3 h-1时,碎石厚度每增加10 cm,压降值分别增加2.92倍、2.41倍、2.38倍和2.37倍。当砾石厚度增加一倍(从5 cm增加到10 cm)时,导流率降低约一半,水头损失增加一倍。因此,砾石厚度直接影响泵的压降速率。结果表明,在深井中安装泵时,应考虑不同砾石厚度导致的不同压降值。
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Effect of the Gravel Zone Thickness Created in the Deep Well Test Simulation on the Operating Characteristics of the Pump and Head Loss
This study was conducted in a deep well simulator used for typical irrigation studies. In this work, the changes in the pump flow rate, drawdown, noise level, and pump pressures were analyzed for three different gravel zone thicknesses used in the well. From the study, it was found that a high gravel zone thickness increased the well’s drawdown levels during pumping. For drawdown values of 40, 45, 50 and 55 m3 h–1, an increase in the gravel thickness by 10 cm increased these values by 2.92, 2.41, 2.38 and 2.37 times, respectively. When the gravel thickness was doubled (from 5 cm to 10 cm), the hydraulic conductivity decreased by about half and head loss doubled. As a result, gravel thickness directly affected the drawdown rate of the pump. It was shown that different drawdown values resulting due to different gravel thicknesses should be taken into consideration when placing the pump in a deep well.
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来源期刊
Teknik Dergi
Teknik Dergi 工程技术-工程:土木
自引率
30.80%
发文量
65
审稿时长
>12 weeks
期刊介绍: The scope of Teknik Dergi is naturally confined with the subjects falling in the area of civil engineering. However, the area of civil engineering has recently been significantly enlarged, even the definition of civil engineering has somewhat changed. Half a century ago, engineering was simply defined as “the art of using and converting the natural resources for the benefit of the mankind”. Today, the same objective is expected to be realised (i) by complying with the desire and expectations of the people concerned and (ii) without wasting the resources and within the sustainability principles. This change has required an interaction between engineering and social and administrative sciences. Some subjects at the borderline between civil engineering and social and administrative sciences have consequently been included in the area of civil engineering. Teknik Dergi defines its scope in line with this understanding. However, it requires the papers falling in the borderline to have a significant component of civil engineering.
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