Unsteady-State Mathematical Modeling of a Fungal Biofilter Treating Hexane Vapor at Different Operating Temperatures

2012 ◽  
Vol 51 (5) ◽  
pp. 2388-2396 ◽  
Author(s):  
Reza Salehahmadi ◽  
Rouein Halladj ◽  
Seyed Morteza Zamir
Keyword(s):  
Mathematical Modeling ◽  
Unsteady State ◽  
Hexane Vapor ◽  
Operating Temperatures ◽  
Fungal Biofilter

Mathematical modeling of unsteady-state gasification of petroleum residue

2016 ◽  
Vol 34 (24) ◽  
pp. 1946-1951 ◽  
Author(s):  
Wei Gao ◽  
Mohammad Reza Farahani ◽  
Mehdi Rezaei ◽  
Rajesh Kanna ◽  
Alireza Rezaee-Manesh
Keyword(s):  
Mathematical Modeling ◽  
Petroleum Residue ◽  
Unsteady State

scholarly journals APPROXIMATE ANALYTICAL SOLUTION FOR NON-LINEAR REACTION DIFFUSION EQUATIONS IN MODELING OF A BACTERIAL AND FUNGAL BIOFILTER

2020 ◽  
pp. 59-71
Author(s):  
K. M. DHARMALINGAM ◽  
K. VALLI ◽  
M. VEERAMUNI
Keyword(s):  
Mathematical Modeling ◽  
Analytical Solution ◽  
Approximate Analytical Solution ◽  
Reaction Diffusion ◽  
Reaction Diffusion Equations ◽  
Diffusion Equations ◽  
Inversion Method ◽  
Linear Reaction ◽  
Analytical Result ◽  
Fungal Biofilter

The aim of the present work is to find the solution for concentration of pollutant in the biofilm phase using HPM with complex inversion method. The obtained results are validated and illustrate the efficiency of future technique from the figure. Furthermore, the reported analytical result is useful in future modification of mathematical modeling of the biofilter.

Mathematical modeling of unsteady-state operation taking into account adsorption and chemisorption processes on the catalyst pellet

1999 ◽  
Vol 54 (20) ◽  
pp. 4639-4643 ◽  
Author(s):  
N.V. Vernikovskaya ◽  
A.N. Zagoruiko ◽  
N.A. Chumakova ◽  
A.S. Noskov
Keyword(s):  
Mathematical Modeling ◽  
Unsteady State ◽  
Catalyst Pellet

Cerebral Blood Circulation in Premature Infants by Means of Mathematical Modeling

2015 ◽  
Vol 46 (S 01) ◽  
Author(s):  
R. Lampe ◽  
N. Botkin ◽  
V. Turova ◽  
T. Blumenstein ◽  
A. Alves-Pinto
Keyword(s):  
Mathematical Modeling ◽  
Premature Infants ◽  
Blood Circulation ◽  
Cerebral Blood Circulation

Optimization of the time the chromatograph thermostats exit to a given temperature

2020 ◽  
pp. 40-45
Author(s):  
Nadezhda O. Vzduleva ◽  
Valery B. Gitlin
Keyword(s):  
Heating Rate ◽  
Entire Range ◽  
Gas Chromatograph ◽  
Heating And Cooling ◽  
Operating Temperatures ◽  
The Stability

The problems of ensuring the stability of the temperature of the chromatographic experiment carried out using a serial gas chromatograph LGH-3000 are considered. Limiting the permissible heating rate of the chromatograph thermostats does not allow a quick transition to the new conditions of the chromatographic experiment in accordance with the requirements of the technical conditions. The processes of heating and cooling the thermostat are analyzed. It is shown that the ratio of the duration of the interval equal to the sum of the durations of the heating and cooling intervals to the duration of the heating interval is inversely proportional to the temperature of the chromatographic experiment. Based on this situation, an empirical algorithm is proposed for heating the thermostat to a given temperature, which made it possible to reduce the time it takes to reach a given temperature in the entire range of operating temperatures.

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