Experimental Investigation of Wash Fluid Preheating on the effectiveness of online Compressor Washing in a Suction Tunnel Compressor Cascade

IF 0.9 Q4 THERMODYNAMICS

International Journal of Thermodynamics Pub Date : 2021-08-29 DOI:10.5541/ijot.816320

R. Agbadede, B. Kainga

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Abstract

Online compressor washing is a promising method of preventing/ recovering the effect of fouling on compressor blades. However, proper strategies need to be implemented for online compressor washing to be effective since it is conducted when the engine is in operation. This study presents an experimental investigation of wash fluid preheating on the effectiveness of online compressor washing in a suction wind tunnel compressor cascade. Crude oil was uniformly applied on the compressor cascade blade surfaces using a roller brush, and consequently carborundum particles were ingested into the tunnel to create accelerated fouled blades. Demineralized water was preheated to 50 ⁰ C using a heat coil provided in the tank. Washing of the fouled blades were conducted using single flat fan nozzle, where the preheated and non-preheated demineralized water were used separately to wash the fouled blades. When fouled blades washed with preheated demineralized and the non-preheated were compared, it was observed that there was little or no difference in terms of total pressure loss coefficient and exit flow angle. However, when the fouled and washed cases were compared, there was a significant difference in total pressure loss coefficient and exit flow angle.

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洗涤液预热对吸力隧道式压缩机叶栅在线洗涤效果的实验研究

压缩机在线清洗是一种很有前途的防止/恢复压缩机叶片结垢影响的方法。然而，由于在线清洗是在发动机运行时进行的，因此需要采取适当的策略才能有效地进行在线清洗。在吸力风洞式压气机叶栅中，进行了清洗液预热对压气机在线清洗效果的实验研究。使用滚刷将原油均匀地涂在压气机叶栅叶片表面，从而将碳化硅颗粒吸入通道中，从而加速污染叶片。使用水箱中提供的热盘管将去矿化水预热到50⁰C。采用单平扇喷嘴对污染叶片进行清洗，分别使用预热和未预热的去盐水对污染叶片进行清洗。将污垢叶片用预热脱矿洗与未预热脱矿洗进行比较，发现总压损失系数和出口气流角几乎没有差异。然而，当污垢和洗涤情况进行比较时，总压损失系数和出口流动角存在显著差异。

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来源期刊

International Journal of Thermodynamics THERMODYNAMICS-

CiteScore

1.50

自引率

12.50%

发文量

期刊介绍： The purpose and scope of the International Journal of Thermodynamics is · to provide a forum for the publication of original theoretical and applied work in the field of thermodynamics as it relates to systems, states, processes, and both non-equilibrium and equilibrium phenomena at all temporal and spatial scales. · to provide a multidisciplinary and international platform for the dissemination to academia and industry of both scientific and engineering contributions, which touch upon a broad class of disciplines that are foundationally linked to thermodynamics and the methods and analyses derived there from. · to assess how both the first and particularly the second laws of thermodynamics touch upon these disciplines. · to highlight innovative & pioneer research in the field of thermodynamics in the following subjects (but not limited to the following, novel research in new areas are strongly suggested): o Entropy in thermodynamics and information theory. o Thermodynamics in process intensification. o Biothermodynamics (topics such as self-organization far from equilibrium etc.) o Thermodynamics of nonadditive systems. o Nonequilibrium thermal complex systems. o Sustainable design and thermodynamics. o Engineering thermodynamics. o Energy.