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HF waves heating ionosphere F-layer
Fang HanXian; Wang SiCheng; Sheng Zheng; Wang, SC (reprint author), PLA Univ Sci & Technol, Inst Meteorol, Nanjing 211101, Jiangsu, Peoples R China.
Department空间科学部
Source PublicationCHINESE SCIENCE BULLETIN
2012
Volume57Issue:31Pages:4036-4042
ISSN1001-6538
Language英语
KeywordPowerful Hf Waves Ionospheric Heating Simulation
AbstractTo predict and evaluate the effects of ionospheric modification quantitatively, the electron temperature and density perturbations are analyzed at different heating conditions, based on a developed model including momentum equation, continuity equation and energy equation. The results show that (1) powerful HF radio waves can cause the electron temperature to increase markedly, and the largest perturbation is near the reflection layer, but the electron density decreases at this area; (2) the lower neutral gas density in the ionosphere, the larger disturbance of the electron temperature and density; the higher radio frequency, the lower increment of electron temperature; and the higher radio power, the larger disturbance of electron temperature and density are caused, but there are no linear relationships between the radio power and disturbance amplitude; (3) the perturbations at nighttime are larger than at daytime when heated by HF radio waves with the same powers; the electron temperature perturbations in the solar minimum are larger than that in solar maximum; and the electron temperature perturbations in spring and autumn are larger than in winter and summer; (4) compared with the low-latitude, the mid-latitude has the smaller perturbations, the maximum electron temperature perturbation is similar to 30% (at daytime of winter), and the density is similar to 5%.; To predict and evaluate the effects of ionospheric modification quantitatively, the electron temperature and density perturbations are analyzed at different heating conditions, based on a developed model including momentum equation, continuity equation and energy equation. The results show that (1) powerful HF radio waves can cause the electron temperature to increase markedly, and the largest perturbation is near the reflection layer, but the electron density decreases at this area; (2) the lower neutral gas density in the ionosphere, the larger disturbance of the electron temperature and density; the higher radio frequency, the lower increment of electron temperature; and the higher radio power, the larger disturbance of electron temperature and density are caused, but there are no linear relationships between the radio power and disturbance amplitude; (3) the perturbations at nighttime are larger than at daytime when heated by HF radio waves with the same powers; the electron temperature perturbations in the solar minimum are larger than that in solar maximum; and the electron temperature perturbations in spring and autumn are larger than in winter and summer; (4) compared with the low-latitude, the mid-latitude has the smaller perturbations, the maximum electron temperature perturbation is similar to 30% (at daytime of winter), and the density is similar to 5%.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3302
Collection空间科学部
Corresponding AuthorWang, SC (reprint author), PLA Univ Sci & Technol, Inst Meteorol, Nanjing 211101, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Fang HanXian,Wang SiCheng,Sheng Zheng,et al. HF waves heating ionosphere F-layer[J]. CHINESE SCIENCE BULLETIN,2012,57(31):4036-4042.
APA Fang HanXian,Wang SiCheng,Sheng Zheng,&Wang, SC .(2012).HF waves heating ionosphere F-layer.CHINESE SCIENCE BULLETIN,57(31),4036-4042.
MLA Fang HanXian,et al."HF waves heating ionosphere F-layer".CHINESE SCIENCE BULLETIN 57.31(2012):4036-4042.
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