Results 11 to 20 of about 4,169 (241)

The Effect of Boreal Summer Intraseasonal Oscillation on Evaporation Duct and Electromagnetic Propagation over the South China Sea

Atmosphere, 2020
Intraseasonal oscillation of the evaporation duct, lasting 30–60 days, has been identified over the South China Sea (SCS) summer monsoon region based on multiple reanalyses and observational data.
Wentao Jia, Weimin Zhang, Jiahua Zhu, Jilin Sun   +3 more
doaj   +1 more source

Performance analysis of code division multiplexing communication under evaporation duct environment

Frontiers in Signal Processing, 2022
The evaporation duct is an effective means for realizing non-line-of-sight (NLOS) wireless transmission over the sea. However, the effects of marine weather conditions on electromagnetic propagation have rarely been studied.
Wenjing Liu, Xiqing Liu, Shi Yan, Linglan Zhao, Mugen Peng   +4 more
doaj   +1 more source

The Preliminary Investigation of Communication Characteristics Using Evaporation Duct across the Taiwan Strait

Journal of Marine Science and Engineering, 2022
Affected by the Taiwan Strait Warm Current, the evaporation intensity around the Taiwan Strait is significantly higher than in other southern and eastern coastal areas of China.
Cheng Yang, Yafei Shi, Jian Wang
doaj   +1 more source

Evaporation characteristics during decompression of liquified CO2 from a conical-shaped vessel

Results in Engineering, 2021
Safe transport of pressurized CO2 requires a profound knowledge of the processes' effect during the phase transition on catastrophic failure of a tanker filled with liquid CO2.
Osama M. Ibrahim, Per Morten Hansen, Dag Bjerketvedt, Knut Vågsæther   +3 more
doaj   +1 more source

Impact of Typhoon on Evaporation Duct in the Northwest Pacific Ocean

IEEE Access, 2019
Evaporation duct is a layer above the ocean surface due to the inherent humidity inversion at the air-sea boundary layer. The formation of the duct depends on meteorological factors near the ocean surface and is affected by weather process above the ...
Yang Shi, Qi Zhang, Shuwen Wang, Kunde Yang, Yixin Yang, Yuanliang Ma   +5 more
doaj   +1 more source

Optimization design of duct fan and evaporator module in refrigeration system with heat exchange and fan power

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2021
Since the evaporator system has been wildly applied in industry, its operating performance needs to be optimized to reduce energy consumption. Considering the evaporator, duct and fan as basic module, the matching relationship of these components must be
Qingdi KE, Songbai SHANG, Feng JIANG, Haihong HUANG, Bangfu WEI   +4 more
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A Comprehensive Study on Maximum Wavelength of Electromagnetic Propagation in Different Evaporation Ducts

IEEE Access, 2019
The maximum wavelength describes trapping features when considering electromagnetic wave propagation in an evaporation duct. However, the results vary between the existing methods used to calculate the maximum wavelength in an evaporation duct.
Yang Shi, Qi Zhang, Shuwen Wang, Kunde Yang, Yixin Yang, Xidang Yan, Yuanliang Ma   +6 more
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Long-term over-the-horizon microwave channel measurements and statistical analysis in evaporation ducts over the Yellow Sea

Frontiers in Marine Science, 2023
Maritime high-speed over-the-horizon wireless communication is realizable through evaporation ducts. Detailed measurement, analysis, and modeling of duct channels are essential for application of this communication technique.
Shuwen Wang, Shuwen Wang, Shuwen Wang, Kunde Yang, Kunde Yang, Kunde Yang, Yang Shi, Yang Shi, Hao Zhang, Hao Zhang, Fan Yang, Fan Yang, Fan Yang, Dawei Hu, Dawei Hu, Dawei Hu, Guoyu Dong, Guoyu Dong, Guoyu Dong, Yihang Shu, Yihang Shu, Yihang Shu   +21 more
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The influence of seasonal and nonreciprocal evaporation duct on electromagnetic wave propagation in the Gulf of Aden

Results in Physics, 2020
In this paper, the adaptability of ERA5 reanalysis data in the Gulf of Aden was validated by the data of shipborne sensors. Based on the reanalysis data, the seasonal distribution of nonreciprocal evaporation duct in the Gulf of Aden was obtained with PJ
Bin Tian, Qianqian Liu, Jun Lu, Xiaoguang He, Guodong Zeng, Liu Teng   +5 more
doaj   +1 more source

LGB-PHY: An Evaporation Duct Height Prediction Model Based on Physically Constrained LightGBM Algorithm

Remote Sensing, 2022
The evaporation duct is a special atmospheric stratification that significantly influences the propagation path of electromagnetic waves at sea, and hence, it is crucial for the stability of the radio communication systems.
Xingyu Chai, Jincai Li, Jun Zhao, Wuxin Wang, Xiaofeng Zhao   +4 more
doaj   +1 more source