The wind speed equation of circular cyclone is a set of non-linear partial differential equations (PDE) with 4 unknown functions u (wind speed), ρ (density), p (pressure) and T (temperature) and is separated to 14 unknown functions, 4 unknown constants related by 15 equations. Th...
Open access
Research Article10.9734/BJMCS/2017/33249
This paper uses a point model of cylindrical box wrapped by zero-weighted membrane to derive a wind speed equation of circular cyclone by method of section based on Boyle’s law, Charles’ law and Newton’s laws. The obtained equation is a non-linear partial differential equation (P...
Open access
Research Article10.9734/BJMCS/2017/31414
This paper proves the existence of solution of wind speed equation of a point in air by fixed point theorem of periodic g-contrastive mapping. Further more, the solution of the wind speed equation is obtained by method of separating variables.
Open access
Research Article10.9734/BJMCS/2016/27054
A method for seeking range of a missing plane based on Law of energy conservation is suggested. The method starts with the final information of the location(s) of the plane A(x,y,z) provided by satellites. A flying path with most far from an origin in same time interval [0,T] is...
Open access
Research Article10.9734/BJAST/2015/16660