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Haijun Liu, Jie Chang, Xiaopei Tang and Jinping Zhang
The sprinkler irrigation method has been widely used in agricultural fields due to its high water productivity and microclimate regulation traits. Quantitative analysis of the water distribution of sprinkler irrigation water by considering canopy influen...
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Abdelaziz M. Okasha, Nehad Deraz, Adel H. Elmetwalli, Salah Elsayed, Mayadah W. Falah, Aitazaz Ahsan Farooque and Zaher Mundher Yaseen
Water scarcity is a major constraint for food production, particularly in arid and semi-arid environments. In this regard, selecting the best irrigation technique is crucial to overcome water scarcity and enhance water productivity (WP) with no significa...
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Rafael Baeza and Juana I. Contreras
Emitter clogging is a problem in drip irrigation systems, and it is accentuated when using reclaimed water. The objective of this work was to evaluate the different commercial models of drippers used for irrigation with reclaimed water in greenhouse hort...
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Jian Jiao, Yadong Wang, Liliang Han and Derong Su
Sprinkler selection influences the water distribution uniformity of center pivot irrigation systems. The sprinkling uniformity of the center pivot is crucial for the yield and quality of crops on a large scale. Rotating and fixed spray plate sprinklers (...
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Yixin Shi, Siliang Xiang, Minzi Xu, Defan Huang, Jianfei Liu, Xiaocong Zhang and Ping Jiang
The uniform and accurate mixing of pesticides in water is a necessary prerequisite for plant protection, especially for enabling precise variable spraying, and is also an important method to achieve a precise reduction in pesticide spraying. In order to ...
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Anatolijs Borodinecs, Kristina Lebedeva, Natalja Sidenko and Aleksejs Prozuments
Evaporative cooling is widely recognized as an energy efficient and environmentally-friendly air conditioning solution, and it has drawn a lot of market interest in recent years. However, this technology is accompanied by several challenges. For instance...
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Deog-Jae Hur, Suk-Hwan Jeong, Seong-Il Song and Jung-Hun Noh
The onboard charger (OBC)/low-voltage DC-DC converter (LDC) integrated power inverter for electric vehicles comprises multiple electrical elements that can heat up, which can cause performance degradation and system instability issues in electric vehicle...
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Li Ding, Yufei Dou, Junying Li, Tan Yao, Aobo Ma, Yechao Yuan, Lele Wang and He Li
In order to solve the problem of inconsistent moisture content in particles during the drying process of tiger nuts (Cyperus esculentus) due to uneven air flow and temperature distribution in the drying chamber, an open-hole corner box was designed based...
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Xin Luo, Shizhong Chen, Zhongxian Xia, Xuyang Zhang, Wei Yuan and Yuhou Wu
The cathode flow field design of a proton exchange membrane (PEM) fuel cell is essential to fuel cell performance, which directly affects the uniformity of reactant distribution and the ability to remove water. In this paper, the single serpentine flow f...
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Yadong Zhu, Haifeng Jiao, Shihui Wang, Wenbo Zhu, Mengcheng Wang and Songshan Chen
In order to study the pressure pulsation characteristics and structural dynamic response characteristics of a vertical shaft cross-flow pump, this study used a computational fluid dynamics (CFD) numerical simulation method to analyze the pressure pulsati...
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Lei Gan, Saeed Rad, Xiaobing Chen, Rongjie Fang, Lei Yan and Shihua Su
The experiment was done based on a new layout for a semi-permanent set-move sprinkler irrigation system with a lower capital and annual cost requirement. In this work, a center-pivot system layout was applied to set up a semi-permanent system with a hand...
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Qingfeng Miao, Haibin Shi, José M. Gonçalves and Luis S. Pereira
The sustainability of the Hetao Irrigation System, located in the water scarce upper Yellow River basin, is a priority considering the need for water saving, increased water productivity, and higher farmers? incomes. The upgrading of basin irrigation, th...
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Shang-Shu Shih, Yun-Qi Zeng, Hong-Yuan Lee, Marinus L. Otte and Wei-Ta Fang
The treatment efficiency of a wetland constructed for nutrient removal depends strongly on the flow patterns and residence times of the wetland. In this study, a tracer experiment was performed to estimate the residence time distribution and the hydrauli...
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Shang-Shu Shih, Yun-Qi Zeng, Hong-Yuan Lee, Marinus L. Otte, Wei-Ta Fang
Pág. 1 - 16
The treatment efficiency of a wetland constructed for nutrient removal depends strongly on the flow patterns and residence times of the wetland. In this study, a tracer experiment was performed to estimate the residence time distribution and the hydrauli...
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Xin Li, Yang Li, Qiang Li, Xiaozhou Zhang, Xuechen Shi, Yudong Lu, Shaoxiong Zhang and Liting Zhang
Preferential flow is widely developed in varieties of voids (such as macropores and fissures) in loess areas, affecting slope hydrology and stability and even leading to geological disasters. However, the model of seepage evolution with dynamic preferent...
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Teng Wang, Peng Zhang, Shufei Zhang, Qingxia Liu, Xiuli Liao, Yiyong Rao, Honghui Huang and Bin Xie
After more than ten years of offshore wind farm (OWF) construction, the total installed capacity of China ranks first in the world. The effect of OWF on fish communities?to attract or banish?differs among fish species and wind farms. Studies on the effec...
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Inês M. Gonçalves, César Rocha, Reinaldo R. Souza, Gonçalo Coutinho, Jose E. Pereira, Ana S. Moita, António L. N. Moreira, Rui Lima and João M. Miranda
In this study, a numerical approach was carried out to analyze the effects of different geometries of microchannel heat sinks on the forced convective heat transfer in single-phase flow. The simulations were performed using the commercially available sof...
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Carlos Videla, Cristián Imbarack
Pág. Page 173 - 184
The objective of this research was to apply and validate the Nested Anova Model as an analysis tool of the uniformity of ready-mixed concrete production.In theory this method allows the decomposition of the total variance ( total total 2batch-to-batch+ ...
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Zhongwei Liang, Tao Zou, Yupeng Zhang, Jinrui Xiao and Xiaochu Liu
Considering the high quality requirements related to agricultural production, the intelligent prediction of sprinkler drip infiltration quality (SDIQ) of the moisture space distribution in soil fields is an important issue in precision irrigation. The ob...
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