Disturbances of rod threshold forced by briefly exposed luminous lines, edges, disks and annuli
نویسندگان
چکیده
منابع مشابه
Luminous hot accretion disks
We find a new two-temperature hot branch of equilibrium solutions for stationary accretion disks around black holes. In units of Eddington accretion rate defined as 10LEdd/c , the accretion rates to which these solutions correspond are within the range ṁ1 <∼ ṁ <∼ 1, here ṁ1 is the critical rate of advection-dominated accretion flow (ADAF). In these solutions, the energy loss rate of the ions by...
متن کاملEntropy generation calculation for laminar fully developed forced flow and heat transfer of nanofluids inside annuli
In this paper, second law analysis for calculations of the entropy generation due to the flow andheat transfer of water-Al2O3 and ethylene glycol-Al2O3 nanofluids inside annuli is presented. Thephysical properties of the nanofluids are calculated using empirical correlations. Constant heatfluxes at inner surface of the annuli are considered and fully developed condition for fluid flowand heat t...
متن کاملRadiation driven winds from luminous accretion disks
We study the two-dimensional, time-dependent hydrodynamics of radiation-driven winds from luminous accretion disks in which the radiation force is mediated primarily by spectral lines. We assume the disk is flat, Keplerian, geometrically thin, and optically thick, radiating as an ensemble of blackbodies according to the α-disk prescription. The effect of a radiant central star is included both ...
متن کاملCutting Disjoint Disks by Straight Lines
For k > 0 let f(k) denote the minimum integerf such that, for any family of k pairwise disjoint congruent disks in the plane, there is a direction t~ such that any line having direction ~ intersects at mostf of the disks. We determine the exact asymptotic behavior off(k) by proving that there are two positive constants dt, d 2 such that dlx/k.,/~gk~f(k)~d:,x/k~,/~gk. This result has been motiva...
متن کاملSubpixel-precise Extraction of Lines and Edges
Novel approaches to extract curvilinear structures, i.e., lines and edges, from 2D images are proposed. For lines, explicit geometric models for line profiles are used to analyze their behavior in scale-space. From this analysis, algorithms to extract lines and their widths with subpixel resolution are derived, and it is shown that the line positions and widths are necessarily biased by the smo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1971
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1971.sp009479