Pengaruh perubahan geometri nosel pada aliran dua fase terhadap kinerja liquid-gas ejector

Turbo Jurnal Program Studi Teknik Mesin Pub Date : 2022-06-30 DOI:10.24127/trb.v11i1.1769

Rusadi Rusadi, Hadimi Hadimi, E. Karyadi

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Abstract

Liquid-gas ejector is an energy conversion device capable of flowing air fluid by utilizing water fluid based on the pressure difference between the two fluids without using moving parts. This study aims to determine the effect of changes in nozzle geometry on two-phase flow on the performance of the liquid-gas ejector. The method used is by conducting an experiment whose stages include: determining the nozzle geometry parameter, primary flow rate, and secondary flow rate. Then carry out tests on the installation of liquid-gas ejectors and collect data. The test is done by alternating the nozzle geometry, primary flow rate, and secondary flow rate. Next, analyze the data that has been collected to get the efficiency or performance of the liquid-gas ejector from changes in the nozzle geometry. The results showed that increasing the nozzle geometry tends to cause a decrease in the efficiency and coefficient of the nozzle. The maximum efficiency produced by each nozzle with a geometry of 0.57; 0.64; 0.71; 0.79 and 0.86 respectively were 24.33%, 23.43%, 8.19%, 16.21%, and 7.96%. While the nozzle coefficients are 0.94, respectively; 0.81; 0.59; 071; and 0.59.

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喷嘴的几何变化对二阶段液体喷射器性能的影响

液气喷射器是一种不使用运动部件，利用两种流体之间的压力差，利用水流体使空气流体流动的能量转换装置。本研究旨在确定喷嘴几何形状对两相流的变化对液气喷射器性能的影响。所采用的方法是通过进行实验，其阶段包括:确定喷嘴几何参数、一次流量和二次流量。然后对液气喷射器的安装进行测试并收集数据。测试是通过喷嘴几何形状、一次流量和二次流量交替进行的。接下来，分析收集到的数据，从喷嘴几何形状的变化中得到液气喷射器的效率或性能。结果表明，增大喷嘴的几何形状会导致喷嘴效率和系数的降低。每个喷嘴产生的最大效率几何形状为0.57;0.64;0.71;0.79、0.86分别为24.33%、23.43%、8.19%、16.21%、7.96%。喷嘴系数分别为0.94;0.81;0.59;071;和0.59。

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Turbo Jurnal Program Studi Teknik Mesin

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审稿时长

24 weeks