based on the non-linear hydrodynamic model of thermally unstable accretiondisk. ... ways: direct irradiation and indirect irradiation reflected from hot accretion flow above the disk. ... The accretiondisk thermal instability model can account for the bolometric luminosity appropriate to
disk in relatively large radius from the WD. ... disk structure responsible for the observed spectral lines. ... emission line profiles that represent the kinematics of the gaseous nebula appear to be mainly from an accretion
onto the black hole, the orientation of the accretiondisk, the degree of obscuration of the nucleus ... AGN depend on several properties such as the mass of the central black hole, the rate of gas accretion
The accretiondisk with viscosity including collisions is examined. ... Then an instability situation occurs in the disk. 한국지구과학회 한국지구과학회지 유계화 ... The diffusion process are also considered for a given mass distribution in the disk.
The HeII line fluxes indicate that the HeII emission zone of the accretiondisk is relatively stable, ... disk to expand. ... disk around a hot white dwarf star which consists of the outer cool HeI emission zone and the inner
위의 그래프는 태양계의 protoplanetary disk안의 midplane temperature가 나타낼 수 있는 몇 가지의 snow line을 나타낸다. ... 없다고 가정한 cold model이다. dash-dot 그래프는 약간의 accretion이 있다고 가정한 모델이다. ... horizontal line이 만나는 점이 각각의 snow line까지의 거리이다. dash-dot-dot 그래프는 warm nebula에서 나타나는 형태이고, 제일 밑의 두 개 그래프는 accretion이