The heating field in an asymmetric hurricane— Part II: Results of computations |
| |
| Authors: | T N Krishnamurti Jian Sheng |
| |
| Institution: | DepartmentofMeteorologyFloridaStateUniversjtyU.S.A.,DepartmentofMeteorologyFloridaStateUniversjtyU.S.A. |
| |
| Abstract: | This is the second part of a paper on the distribution of heating fields in a hurricane. The first part dealt with the mathematical
framework. The second part, i. e. the present paper deals with numerical calculations for an actual hurricane.
The following sequence of calculations has been performed after the analysis and tabulation of an initial field of the tangential
velocityU (r, ϑ, p): (1) the radial equation of motion is used to determine the geopotential heights; (2) the hydrostatic equation is used to
determine the temperature field; (3) the tangential equation and the mass continuity equation are combined to obtain an omega
equation whose solution determines the vertical velocity; (4) the radial velocity is next determined from the mass continuity
equation; and (5) the heating function is finally determined from the first law of thermodynamics.
The results of this study show an asymmetric banded structure (eye wall and rainband) of the vertical motion field as well
as the heating field; these show close resemblence to observations. An analysis of the non-linearities of the asymmetric momentum
distribution is shown to be crucial in the analysis of the hurricane heat sources. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
| 点击此处可从《大气科学进展》浏览原始摘要信息 |
| 点击此处可从《大气科学进展》下载免费的PDF全文 |
