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Lianjun Chen, Yang Zhang, Pengcheng Li and Gang Pan
This paper aims to reveal the motion law and collision behaviors of shotcrete particle flow jets. A physical model of the jet flow field composed of a nozzle structure and jet area was constructed and meshes with various sizes were used to mesh the nozzl...
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Xinlei Duan, Jianlong Chang, Guangsong Chen, Taisu Liu and He Ma
The use of film cooling technology is one of the most effective ways to minimize the damage to wall materials caused by the high-temperature environment in a ramjet. Optimization of the design to achieve the highest film cooling efficiency on the hot wal...
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Xuan Zhang, Minglu Zhang, Shilong Jiao, Lingyu Sun and Manhong Li
At present, numerous wall-climbing robots have been developed, and applied in ship manufacturing for weld detection to ensure safe navigation. Limited by rigid mechanical structure and complex detection, mostly existing robots are hardly to complete weld...
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Xin Wei, Xiaojuan Shi, Honghu Ji and Jinlong Hu
In order to study the infrared radiation characteristics of an air-breathing hypersonic vehicle powered by a scramjet, it is necessary to solve the internal and external flow field of the air-breathing hypersonic vehicle. Owing to the complexity and diff...
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Wenbin Shi, Yichao Zhang, Yiming Li, Xing?an Liu, Sida Meng, Tianlai Li and Liping Zhao
To enhance the utilization of solar energy in Chinese solar greenhouses (CSGs), a new method for optimizing the internal lighting environment of CSGs using reflective films is proposed. The influence of different positions and angles of reflecting film o...
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Ranran Huang, Tao Xue and Jie Wu
A two-point cylindrical-focused laser differential interferometer (2P-CFLDI) system and a conventional Z-type Schlieren were used to measure the hypersonic turbulent boundary layer on a flat plate at Mach number Ma = 6 and Reynolds number Re = 1.08 × 106...
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Weiyuan Zhu, Jiaqi Cheng, Yutao Pang, Hongbin An, Junpeng Zou, Jie Ren and Cheng Zhang
This study proposes a new form of underground diaphragm wall foundation with hexagonal sections, called the grid pile foundation (GPF), which is used for long-span bridges. To investigate the lateral bearing capacity characteristics of the integrated pil...
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Yu Li, Jingyi Ouyang, Yong Peng and Yang Liu
Cavitation happening inside an inclined V-shaped corner is a common and important phenomenon in practical engineering. In the present study, the lattice Boltzmann models coupling velocity and temperature fields are adopted to investigate this complex col...
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Peng Zhang, Rixin Cheng and Yonghong Li
Bionic herringbone riblets are applied to relieve the flow near the blade endwall in a linear compressor cascade under the incidence angle of -4° to 6° at a Reynolds number of 382,000. The herringbone riblets are placed at the endwall upstream of the bla...
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Zorana Stamenkovic, Julio de Araujo Gurgel, Nenad Popovic and Nemanja Marinkovic
Aim of the study was to show the effect of skeletal Class II treatment with the mandibular anterior repositioning appliance (MARA) on the sagittal posterior airway space (PAS) diameter. A total of 53 patients were selected retrospectively: 26 male patien...
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