نتایج جستجو برای: solar wind

تعداد نتایج: 191927  

2008
KATSUHIRO ICHIYANAGI KENGO TANIGUCHI HIROYUKI NAKANO KAZUTO YUKITA YASUYUKI GOTO KATSUNORI MIZUNO FUJIHIRO YAMADA NOBUYUKI YAMAMOTO SHIGEYUKI SUGIMOTO Katsuhiro Ichiyanagi Kengo Taniguchi Hiroyuki Nakano Kazuto Yukita Yasuyuki Goto Fujihiro Yamada Nobuyuki Yamamoto Shigeyuki Sugimoto

The forecasting of time series of the wind and solar energy is necessary for the prevention from global warming. This paper explains the technique of time series forecast of the wind power energy and solar energy by using ten minutes intervals meteorological data obtained by AMeDAS(Automated Meteorological Data Acquisition System). We discuss an application of a neural network for forecasting t...

2010
D. T. Welling A. J. Ridley

[1] A persistent, unresolved problem in terrestrial magnetospheric physics is determining the dominant source and associated entry mechanism for plasma in the Earth’s magnetosphere. This study uses the multispecies MHD code, Block Adaptive Tree Solar Wind Roe‐Type Upwind Scheme (BATS‐R‐US), to investigate this issue. Two proton species, ionospheric origin and solar wind origin, are defined in t...

2009
Wei Zhou Chengzhi Lou Zhongshi Li Lin Lu Hongxing Yang

Solar and wind energy systems are omnipresent, freely available, environmental friendly, and they are considered as promising power generating sources due to their availability and topological advantages for local power generations. Hybrid solar–wind energy systems, uses two renewable energy sources, allow improving the system efficiency and power reliability and reduce the energy storage requi...

2016
J. Mortimer

Simultaneous static-mode mass spectrometric measurements of nitrogen, carbon, helium, neon, and argon, extracted from the same aliquot of sample by high-resolution stepped combustion, have been made for a suite of five lunar soils. Noble gas isotope ratios show that the majority of noble gases are derived from a solar wind source; for example, at peak release temperatures of 500–600 C, Ne/Ne = ...

2015
Changgui Lin Kun Yang Jianping Huang Wenjun Tang Jun Qin Xiaolei Niu Yingying Chen Deliang Chen Ning Lu Rong Fu

Solar dimming and wind stilling (slowdown) are two outstanding climate changes occurred in China over the last four decades. The wind stilling may have suppressed the dispersion of aerosols and amplified the impact of aerosol emission on solar dimming. However, there is a lack of long-term aerosol monitoring and associated study in China to confirm this hypothesis. Here, long-term meteorologica...

2016
Martin Volwerk Daniel Schmid Bruce T. Tsurutani Magda Delva Ferdinand Plaschke Yasuhito Narita Tielong Zhang

The observational rate of mirror mode waves in Venus’s magnetosheath for solar maximum conditions is studied and compared with previous results for solar minimum conditions. It is found that the number of mirror mode events is approximately 14 % higher for solar maximum than for solar minimum. A possible cause is the increase in solar UV radiation, ionizing more neutrals from Venus’s exosphere ...

2013
Jie Zhang

NOTICE The submitted manuscript has been offered by an employee of the Alliance for Sustainable Energy, LLC (Alliance), a contractor of the US Government under Contract No. DE-AC36-08GO28308. Accordingly, the US Government and Alliance retain a nonexclusive royalty-free license to publish or reproduce the published form of this contribution, or allow others to do so, for US Government purposes....

2008
R. A. Fallows A. R. Breen

The antennas of EISCAT have been used for interplanetary scintillation (IPS) studies of the solar wind for many years. The main science found from these studies is obtained through the cross-correlation of signals from antennas having the longest baseline, providing more accurate information on the different solar wind streams which may be present in the line of sight. The development of dualfr...

2007
Y. C. Whang

For some coronal mass ejections (CMEs), their interaction with the ambient solar wind can produce a forward-reverse shock pair. The high-speed mass ejecta compresses the plasma near the top of the CME on both sides of the tangential discontinuity which separates the CME plasma from the ambient solar wind plasma. The front of the compressed CME plasma propagates in the reverse direction relative...

2006
J. C. Kasper A. J. Lazarus J. T. Steinberg K. W. Ogilvie A. Szabo

[1] We present techniques for comparing measurements of velocity, temperature, and density with constraints imposed by the plasma physics of magnetized bi-Maxwellian ions. Deviations from these physics-based constraints are interpreted as arising from measurement errors. Two million ion spectra from the Solar Wind Experiment Faraday Cup instruments on the Wind spacecraft are used as a case stud...

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