低扬程农业灌溉泵站球泡管泵装置球泡形式优化研究

IF 3.3 2区 农林科学 Q1 AGRONOMY
Hongyin Zhang, Jianlong Liu, Jinxin Wu, Weixuan Jiao, Li Cheng, Mingbin Yuan
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引用次数: 0

摘要

球泡式管状泵单元是一种卧式管状泵单元,由安装有电动机的水泵和球泡组成。电动机、传动设备和轴承通常放在灯泡中。所述灯泡位于流道内,具有相对狭窄的空间。因此,球泡形状对流道内的流态和泵效率有显著影响。本研究采用CFX 19.2软件根据球茎的几何形状和参数对球茎进行水力优化。研究结果表明,椭圆型球茎尾部的流态更好,球茎截面水力损失小,装置效率高于圆形球茎尾部。流线型支架流动阻力小,水力损失最小,泵机组扬程高,效率高。选择了9种方案,确定了球茎的几何特征和参数:球茎尾部形状为椭圆形,球茎比为0.96,支撑部件形状为流线型。研究结果对提高球泡管泵装置的效率,拓宽其运行工况具有重要的参考意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on Optimization of the Bulb Form of the Bulb Tubular Pump Device for a Low-Head Agricultural Irrigation Pumping Station
A bulb tubular pump unit is a horizontal tubular pump unit composed of a water pump and bulb with an electric motor installed. Electric motors, transmission equipment, and bearings are usually placed in the bulb. The bulb is located in the flow channel and has a relatively narrow space. Therefore, the shape of the bulb has a significant influence on the flow pattern and pump efficiency in the flow channel. In this study, the CFX 19.2 software was employed to optimize the bulb hydraulically according to its geometry and parameters. The research results indicate that the flow pattern at the tail of the elliptical bulb was better, the hydraulic loss at the bulb section was small, and the device efficiency was higher than that at the tail, which was round. The streamlined support had small flow resistance, minimal hydraulic loss, and a high pump unit head and efficiency. Nine schemes were selected, and the geometrical characteristics and parameters of the bulb were determined as follows: the shape of the tail of the bulb was oval, the bulb ratio was 0.96, and the shape of the support parts was streamlined. The results hold important reference significance to improve efficiency and broaden the operating conditions of bulb tubular pump devices.
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来源期刊
Agriculture-Basel
Agriculture-Basel Agricultural and Biological Sciences-Food Science
CiteScore
4.90
自引率
13.90%
发文量
1793
审稿时长
11 weeks
期刊介绍: Agriculture (ISSN 2077-0472) is an international and cross-disciplinary scholarly and scientific open access journal on the science of cultivating the soil, growing, harvesting crops, and raising livestock. We will aim to look at production, processing, marketing and use of foods, fibers, plants and animals. The journal Agriculturewill publish reviews, regular research papers, communications and short notes, and there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles.
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