SPIN-DOWN

作品数：10被引量：9H指数：2
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相关领域：天文地球理学更多>>
相关机构：中国科学院新疆天文台更多>>
相关期刊：《Radiation Detection Technology and Methods》《Journal of Thermal Science》《Chinese Physics B》《Journal of Hydrodynamics》更多>>
相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划更多>>
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Long-term evolution of the X-ray flux of the Crab pulsar被引量：1
《Radiation Detection Technology and Methods》2023年第1期48-55,共8页Hai-Sheng Zhao Ming-Yu Ge Xiao-Bo Li Lin-Li Yan You-Li Tuo Fang-Jun Lu Li-Ming Song Cong-Zhan Liu Shu Zhang Shuang-Nan Zhang 
support from the National Program on Key Research and Development Project(Grant No.2021YFA0718500)from the Minister of Science and Technology of China(MOST);supports from the National Natural Science Foundation of China under Grants U1938102,12273043,U1838201,U1838202,U1938109 and U1938108;supported by International Partnership Program of Chinese Academy of Sciences(Grant No.113111KYSB20190020).
Purpose In order to carry out in-orbit calibration,the hard X-ray modulation telescope satellite(HXMT)has made a number of observations of Crab pulsar.We study the long-term evolution of the X-ray flux of the Crab pul...
关键词：X-rays Crab pulsar Flux evolution Spin-down luminosity 
Spin-down and emission variations for PSR J0742-2822
《Research in Astronomy and Astrophysics》2021年第2期142-148,共7页Shi-Jun Dang Na Wang Hui-Hui Wang Jian-Ping Yuan Lun-Hua Shang Rai Yuen Ming-Yu Ge Xia Zhou Shuang-Qiang Wang Fei-Fei Kou Wen-Ming Yan Jing-Bo Wang Zhi-Gang Wen Jun-Tao Bai Zhi-Yong Liu Zu-Rong Zhou 
supported by the National Key Research and Development Program of China(2016YFA0400804,2017YFA0402602,2018YFA0404603 and 2018YFA0404703);the Operation,Maintenance and Upgrading Fund for Astronomical Telescopes and Facility Instruments,budgeted from the Ministry of Finance of China(MOF)and administered by the Chinese Academy of Sciences(CAS),the National Natural Science Foundation of China(Grant Nos.11873080,U1831102,U1731238,U1938109,U1838104,11873040,11573010,11661161010,U1631103 and U1838102);the Youth Innovation Promotion Association of Chinese Academy of Sciences,the CAS“Light of West China”Program(Nos.2018-XBQNXZ-B-023,2018-XBQNXZ-B-025 and 2016-QNXZ-B-24);the Tianshan Youth Program No.2018Q039;the Open Project Program of the Key Laboratory of FAST,NAOC,Chinese Academy of Sciences,the China Postdoctoral Science Foundation grant(2019M650847);the 2016 and 2018 Project of Xinjiang Uygur Autonomous Region of China for Flexibly Fetching in Upscale Talents and the Science and Technology Fund of Guizhou Province(Grant Nos.(2016)–4008 and(2017)5726–37);part of the Australia Telescope National Facility which is funded by the Commonwealth of Australia for operation as a National Facility managed by CSIRO。
PSR J0742-2822 is known for its quasi-periodic changes in the observed pulse profile and spindown rate.In this paper,we analyzed 13 years of timing data obtained with the Nanshan 25-m radio telescope and the Parkes 64...
关键词：PULSARS general-stars pulsar-methods TIMING 
Damped electrostatic ion acoustic solitary wave structures in quantum plasmas with Bohm potential and spin effects
《Chinese Physics B》2019年第1期460-465,共6页S Hussain H Hasnain Mahnaz Q.Haseeb 
Nonlinear properties of ion acoustic solitary waves are studied in the case of dense magnetized plasmas. The degenerate electrons with relative density effects from their spin states in the same direction and from equ...
关键词：DEGENERATE plasma collisions SPIN-UP SPIN-DOWN 
Reduced spin-down rate of PSR J0738–4042 explained as due to an asteroid disruption event
《Research in Astronomy and Astrophysics》2016年第5期41-46,共6页Yong-Bo Yu Yong-Feng Huang 
supported by the National Basic Research Program of China(973 Program,Grant No.2014CB845800);by the National Natural Science Foundation of China(Grant No.11473012)
Long term observations by Brook et al. reveal that the derivative of rotational frequency of PSR J0738-4042 changed abruptly in 2005. Originally, the spin-down rate was relatively stable, with the rotational frequency...
关键词：stars： neutron -- planet-star interactions -- pulsars： individual （PSR J0738-4042） 
Quark-novae in neutron star - white dwarf binaries: a model for luminous (spin-down powered) sub-Chandrasekhar-mass Type Ia supernovae?
《Research in Astronomy and Astrophysics》2013年第4期435-464,共30页Rachid Ouyed Jan Staff 
We show that, by appealing to a Quark-Nova （QN） in a tight binary system containing a massive neutron star and a CO white dwarf （WD）, a Type Ia explosion could occur. The QN ejecta collides with the WD, driving a ...
关键词：stars evolution - stars binary - stars neutron - stars white dwarfs - supernovae general 
A hybrid storage technology for low power consumption and high I/O performance in an IPTV set-top box
《Journal of Central South University》2012年第5期1267-1275,共9页KIM Deok-hwan YANG Jun-sik 
supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2011-0004114);in part by the Ministry of Knowledge Economy (MKE) and Korea Institute for Advancement in Technology (KIAT) through the Workforce Development Program in Strategic Technology; in part by the MKE (The Ministry of Knowledge Economy), Korea, under the CITRC (Convergence Information Technology Research Center) support program (NIPA-2012-C6150-1201-0001) supervised by the NIPA (National IT Industry Promotion Agency)
A new method of prefetching data blocks from the NVCache to the page cache in main memory and cascading prefetching n-blocks from a hard disk to the NVCache together was proposed to reduce the spin-up frequency of a h...
关键词：IPTV set-top box hybrid hard disk PREFETCHING SPIN-DOWN low power consumption 
Fallback Disk-Involved Spin-Down of Young Radio Pulsars
《Chinese Journal of Astronomy and Astrophysics》2005年第5期487-494,共8页Zi-Bo Jiang Xiang-Dong Li 
Supported by the National Natural Science Foundation of China.
Disks originating from supernova fallback have been suggested to surround young neutron stars. Interaction between the disk and the magnetic field of the neutron star may considerably influence the evolution of the st...
关键词：stars： magnetic fields - stars： neutron - pulsars： individual： PSRs B0532＋21 B0833＋45 B0540-69 B1509-58 
Spin-up and Spin-Down Times of Rotational Air Flow Depended on Mean Air Velocity and Surface Roughness on Inner Surface in Cylindrical Vortex Chamber被引量：2
《Journal of Thermal Science》2004年第1期46-55,共10页Akira Ogawa Hiroyuki Murakami 
The spin-up time TA in the spin-up process and spin-down time TD in the spin-down process of rotational air flow in the cylindrical vortex chamber with three kinds of the artificial surface roughness were investigated...
关键词：vortex CHAMBER SPIN-UP TIME SPIN-DOWN TIME transient response surface roughness. 
EXPERIMENTAL INVESTIGATION ON VORTEX BREAKDOWN IN SPIN-UP AND SPIN-DOWN PROCESSES VIA PIV被引量：6
《Journal of Hydrodynamics》2003年第2期58-63,共6页LiuYing-zheng KoyamaHideS. ChenHan-ping 
The whole field measurements of swirling flow in spin-up and spin-downprocesses via PIV are presented in the paper. Investigation of the flow patterns at H/R = 1. 50 wasexperimentally carried out for the first time in...
关键词：vortex breakdown PIV swirling flow 
THE DYNAMICS OF MAINTAINING THE TROPICAL CYCLONE 9012 AFTER ITS LANDING
《Journal of Tropical Meteorology》1996年第1期35-45,共11页梁力 吴志伟 严光华 
Using 2. 5 ×2. 5 winds and pressure grid data, the angular momentum budgets are studied in this paper for TC 9012 (Yancy) which was kept active 65 hours after land fall. It is found that the inland TC 9012 moved into...
关键词：long maintenance ANGULAR MOMENTUM transport SPIN-UP or SPIN-DOWN 
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