scholarly journals Mathematical Model for Frost Formation on Plane Surface.(Dept.M)

2021 ◽  
Vol 16 (2) ◽  
pp. 42-49
Author(s):  
Ahmed Ahmed Sultan
Keyword(s):  
Mathematical Model ◽  
Plane Surface ◽  
Frost Formation

A stratified model of a random bed of equal-diameter spheres confined by a plane

1979 ◽  
Vol 44 (3) ◽  
pp. 829-840 ◽  
Author(s):  
Vladimír Staněk ◽  
Vít Eckert
Keyword(s):  
Mathematical Model ◽  
Physical Meaning ◽  
Plane Surface ◽  
Supporting Plane ◽  
Stratified Model

A mathematical model has been formulated of a bed of equal-diameter spheres randomly dumped on a plane surface. Based on this model relatioships have been derived for the area porosity of the bed as a function of the distance from the supporting plane. The model contains three parameters with well defined physical meaning and its asymptote for infinite distance from the supporting plane satisfies criteria typical for random beds of spheres.

A Mathematical Model for Frost Formation on Ground Aircraft

2011 ◽  
Vol 141 ◽  
pp. 147-151
Author(s):  
Li Wen Wang ◽  
Dan Dan Xu ◽  
Zhi Wei Xing
Keyword(s):  
Mathematical Model ◽  
Growth Rate ◽  
Energy Balance ◽  
Relative Humidity ◽  
Surface Temperature ◽  
Balance Equation ◽  
Atmospheric Temperature ◽  
Energy Balance Equation ◽  
Frost Formation ◽  
The Mathematical Model

A mathematical model is developed to describe frost formation on ground aircraft. The mathematical model was based on frost formation physics together with the mass and energy balance equation developed by Mason. It can be used to forecast the frost formation on ground aircraft. Particular attention is paid to the study of the effects of the important factors, such as surface temperature, atmospheric temperature and relative humidity on the frost growth rate over ground aircraft.

Mathematical model of hit phenomena and its application to movie advertisement

2008 ◽  
Author(s):  
Ishii Akira ◽  
Yoshida Narihiko ◽  
Hayashi Takafumi ◽  
Umemura Sanae ◽  
Nakagawa Takeshi
Keyword(s):  
Mathematical Model
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