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Rainer Feistel and Olaf Hellmuth
Under typical marine conditions of about 80% relative humidity, evaporation of water from the ocean is an irreversible process accompanied by entropy production. In this article, equations are derived for the latent heat of irreversible evaporation and t...
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Yufan He, Can Luo, Li Cheng, Yandong Gu and Bin Gu
The shaft-type tubular pumping station has the remarkable characteristics of a large flow rate and high efficiency. It can realize the functions of irrigation, pumping, and drainage through pumping and generating conditions considering tides. Moreover, i...
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Ying Li, Liu Du and Yung-Ho Chiu
Water scarcity is increasingly being recognized as a global concern. Sustainable Development Goal 6 (SDG-6) was established by the United Nations to address water resource governance within its sustainable development framework. This study employs the en...
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Jiapeng Zhang, Sha Zhao, Qingfeng Miao, Liang Feng, Zhaonan Chi, Zhen Li and Weiping Li
In order to achieve water conservation and salt control in saline irrigation areas and improve the soil ecological environment of farmland in irrigation areas, this study carried out a field trial in 2020?2021 on edible sunflowers planted in saline subsu...
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Nora M. Albqmi and Sivasankaran Sivanandam
The principal objective of the study is to examine the impact of thermal radiation and entropy generation on the magnetohydrodynamic hybrid nano-fluid, Al2O3/H2O, flow in a Darcy?Forchheimer porous medium with variable heat flux when subjected to an elec...
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Hui Li, Yongjun Chen, Yang Yang, Shixin Wang, Ling Bai and Ling Zhou
The centrifugal pump is one of the most widely used types of power machinery in the field of ship and ocean engineering, and the shape of the impeller blade trailing edge has an important influence on their performance. To reveal the mechanism of the eff...
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Guangjie Peng, Yuan Lou, Dehui Yu, Shiming Hong, Guangchao Ji, Lie Ma and Hao Chang
Marine sediment pumps are extensively applied in marine engineering fields with complex media and harsh flow conditions. Therefore, this study conducts a multi-factor optimization design for a marine sediment pump. The response surface optimization metho...
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Haifeng Jiao, Jilian Shan, Guorui Yang, Mengcheng Wang and Songshan Chen
In this study, a comparative analysis of the shutdown transitions of a full-flow pump and an axial-flow pump was carried out through numerical simulation and model tests. The UDF method was used to achieve control of the impeller rotational speed during ...
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Qiaorui Si, Fanjie Deng, Yu Lu, Minquan Liao and Shouqi Yuan
A numerical method using combined detached-eddy simulation (DES) and a cavitation model considering the rotation effect is used for unsteady cavitation flow field of the centrifugal pump. A closed-type pump test system was established to obtain the pump ...
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Jinsong Zhang and Yiding Wang
Improving the landscape- and village-integrated green governance (LVIGE) is currently a problem faced by various countries. China has also put forward the revitalization strategy of ?rural development, the environment is the background color?. How to jud...
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