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Qiaodan Luo, Shengfeng Zhao, Shiji Zhou, Huafeng Xu and Xiaoying Sheng
The research is based on a full 3D model of a medium variable bypass ratio compression system. The effects of core-driven fan stage (CDFS) VIGV adjustment and forward variable area bypass injector (FVABI) adjustment on the internal flow and component mat...
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Yonghua Huang, Zhongyang Guo, Hao Chu and Raja Sengupta
China?s university dormitories have high population densities, which can result in a large number of casualties because of crowding and stampedes during emergency evacuations. It is therefore important to plan properly for evacuations by mitigating the e...
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Hengtao Shi and Xianjun Yu
This paper proposes a stage flow parameter analytical model for rapid evaluation of a counter-rotating compressor?s performance for design optimization and its application in the design of a transonic counter-rotating fan. In the first part, the velocity...
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Nan He, Xiaolong Chi, Chi Feng, Manfei Lu, Li Zhang and Jingming Dong
Steam ejectors could improve the energy efficiency of ships by efficiently utilizing low-grade waste heat from ships for seawater desalination or cooling. The internal flow characteristics of steam ejectors can be deeply analyzed through numerical simula...
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Martin Sack, Johannes Ruf, Dennis Herzog and Georg Müller
For the pulsed electric field treatment of plant material on an industrial scale, Marx-type pulse modulators are used as a pulse source. The combination of a conventional Marx generator design equipped with solid-state switches with the concept of resona...
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Chuangxin Zhou, Shengfeng Zhao and Xingen Lu
A detailed numerical simulation of a transonic tandem fan stage was conducted, and the change rule of the flow structure inside the fan stage under the design and off-design conditions was discussed to determine the internal flow mechanisms. The results ...
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Ioannis Kolias, Alexios Alexiou, Nikolaos Aretakis and Konstantinos Mathioudakis
A mean-line compressor performance calculation method is presented that covers the entire operating range, including the choked region of the map. It can be directly integrated into overall engine performance models, as it is developed in the same simula...
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Bo Zhang, Rui Gong, Tao Wang and Zhuo Wang
Submarine pipelines, as arteries for offshore oil and gas transportation, play a particularly important role in the exploitation of offshore oil and gas resources. Since the world?s first submarine pipelines were laid in the Gulf of Mexico, numerous fail...
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Mohamed H. Aissa and Tom Verstraete
Kriging is increasingly used in metamodel-assisted design optimization. For expensive simulations; however, one can afford only a few samples to build the Kriging model, which consequently lacks prediction accuracy. We propose a bounded Kriging able to h...
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Mohammadjavad Hosseini, Zhenzhong Sun, Xiao He and Xinqian Zheng
A high-performance centrifugal compressor is needed for numerous industry applications nowadays. The radial gap ratio between the impeller and the diffuser vanes plays an important role in the improvement of the compressor performance. In this paper, the...
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