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Huanhuan Qin
Numerical modeling has been adopted to assess the feasibility of centrifugal simulation of solute transport within the unsaturated zone. A numerical model was developed to study the centrifugal simulation of nonreactive, adsorption, radionuclide, and rea...
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Peter M. Ritzler, Clemens K. Weiss and Bernhard C. Seyfang
Due to the importance of process intensification, modeling of Annular Centrifugal Contactors (ACCs) is becoming of increasing interest. By the current state of scientific knowledge, universal modeling without high computing power of these complex apparat...
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Wenping Shao, Jingan Feng, Feng Zhang, Shu Wang, Yuhang Li and Jiangfeng Lv
To enhance the working efficiency and aerodynamic performance of the centrifugal fan in the air system of a cotton picker, a new type of centrifugal fan blade was designed by extracting the mid-arc section from the prototype blade and integrating an airf...
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Feng Han, Xionghuan Chen, Yang Yang and Chuan Wang
In this article, the influence of rotor?stator distance on the pump performance and rotor?stator interaction strength within mixed-flow centrifugal pump was investigated based on numerical calculation and test verification. Firstly, the performances of m...
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Yangyang Wei, Yang Yang, Ling Zhou, Lei Jiang, Weidong Shi and Gaoyang Huang
The centrifugal pump is one of the most important pieces of energy-consuming equipment in various hydraulic engineering applications. This paper takes a low specific speed centrifugal pump as the research object. Based on the research method combining nu...
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Yang Yang, Ling Zhou, Hongtao Zhou, Wanning Lv, Jian Wang, Weidong Shi and Zhaoming He
Marine centrifugal pumps are mostly used on board ship, for transferring liquid from one point to another. Based on the combination of orthogonal testing and numerical simulation, this paper optimizes the structure of a drainage trough for a typical low-...
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Weidong Cao, He Wang and Jian Tang
Guide vane submersible centrifugal pumps are a kind of submersible pump, and the fluid inside the pump is often mixed with gravel and other impurities during operation, affecting the pump?s operating efficiency and life expectancy. However, past studies ...
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Baoling Cui and Mingyu Shi
Centrifugal pumps are essential fluid transfer devices in marine engineering. As the two most critical components of a centrifugal pump, the dynamic?static interference between the volute and the impeller makes the flow near the cutwater highly unstable,...
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Christian Lehr, Pascal Munsch, Romuald Skoda and Andreas Brümmer
The acoustic properties of a single-stage centrifugal pump with low specific speed are investigated by means of compressible 3D CFD simulations (URANS) and experiments. In order to determine the pump?s acoustic transmission and excitation characteristics...
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Ting Shi and Xueyuan Peng
Air compressors in hydrogen fuel cell vehicles play a crucial role in ensuring the stability of the cathode air system. However, they currently face challenges related to low efficiency and poor stability. To address these issues, the experimental setup ...
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Nadine Rehfeld, Jean-Denis Brassard, Masafumi Yamazaki, Hirotaka Sakaue, Marcella Balordi, Heli Koivuluoto, Julio Mora, Jianying He, Marie-Laure Pervier, Ali Dolatabadi, Emily Asenath-Smith, Mikael Järn, Xianghui Hou and Volkmar Stenzel
Ice adhesion tests are widely used to assess the performance of potential icephobic surfaces and coatings. A great variety of test designs have been developed and used over the past decades due to the lack of formal standards for these types of tests. In...
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Yunfeng Wu, Qingkuo Li, Hang Yuan, Ziliang Li, Shiji Zhou, Ge Han and Xingen Lu
High-pressure ratio centrifugal compressors? diffusers face challenges from high-velocity, non-uniform flow at the impeller outlet, decreasing efficiency and stall margin. To address this, this paper presents a novel vaned diffuser passage design method ...
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Haoguang Zhang, Hao Wang, Qi Li, Fengyu Jing and Wuli Chu
The aim of this research was to explore the mechanisms underlying the effect of self-circulating casing treatment with different circumferential coverage ratios on the aerodynamic performance of a transonic centrifugal compressor. A three-dimensional uns...
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Xuan Gao, Borong Qiu, Zongjie Wang and Haiwang Li
Droplet impact affects water collection, which is the key to investigating the icing process on an aero-engine spinner. Different from a stationary spinner, droplet impact is affected by Coriolis acceleration and centrifugal acceleration on rotating aero...
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Nils Reeh, Gerd Manthei and Peter J. Klar
To depict the pump power characteristics of radial centrifugal pumps, a physical model was developed. The model relies on established empirical equations. To parameterize the model for specific pumps, physically interpretable tuning factors were integrat...
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Young-Hak Lee, Soichiro Yamakawa, Tetsuo Tobita, Hyuk-Kee Hong, Hyo-Sung Song, Jae-Jung Kim and Dal-Won Lee
This study examines the effectiveness of parapets in preventing overtopping failures of small-scale homogeneous reservoir dams under seismic loads. In this study, a parapet covered the entire width of the dam crest and was designed to ensure its weight i...
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Junchao Li, Ruiqi Chen and Haoyu Lin
Slope stability is one of the key engineering problems in the whole lifetime of landfills. In this paper, combined with the wedge limit equilibrium analysis, a landfill stability analysis method based on the actual failure surface is proposed, and the mo...
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Oana Dumitrescu, Mihnea Gall and Valeriu Dragan
Design of linear cascades for high-speed bladed machinery.
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Zhi Rao, Lingfeng Tang and Hui Zhang
Aiming at the problem of high vibration and high wear of centrifugal pump tongue, this paper proposes a double-tongue volute structure. Under the condition of ensuring the reliability of CFD results, the influence of various combinations of tongue and vo...
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