Unification of methods for determining distillation curve of oils

1994 ◽  
Vol 30 (2) ◽  
pp. 97-100
Author(s):  
A. A. Khitrik ◽  
N. Kh. Vagapova ◽  
R. A. Shagiakhmetov
Keyword(s):  
Distillation Curve

Influence of gasoline distillation curve on carburetor icing

1981 ◽  
Vol 17 (11) ◽  
pp. 619-621 ◽  
Author(s):  
V. E. Emel'yanov ◽  
V. P. Grebenshchikov ◽  
V. F. Golosova ◽  
G. N. Baranova
Keyword(s):  
Distillation Curve ◽  
Carburetor Icing

An Engineering Calculation Method for Multi-Component Stagnant Droplet Evaporation With Finite Diffusivity

1994 ◽  
Author(s):  
J. S. Chin
Keyword(s):  
Heat Transfer ◽  
Diffusion Coefficient ◽  
Liquid Phase ◽  
Vapor Pressure ◽  
Molecular Mass ◽  
Calculation Method ◽  
Engineering Calculation ◽  
Droplet Evaporation ◽  
Diffusion Resistance ◽  
Distillation Curve

A practical engineering calculation method has been formulated for commercial multicomponent fuel stagnant droplet evaporation with variable finite mass and thermal diffusivity. Instead of solving the transient liquid phase mass and heat transfer partial differential equation set, a totally different approach is used. With zero or infinite mass diffusion resistance in liquid phase, it is possible to obtain vapor pressure and vapor molecular mass based on the distillation curve of these turbine fuels. It is determined that Peclet number (Pef) is a suitable parameter to represent the mass diffusion resistance in liquid phase. The vapor pressure and vapor molecular mass at constant finite Pef is expressed as a function of finite Pef, vapor pressure, and molecular mass at zero Pef and infinite Pef. At any time step, with variable finite Pef, the above equation is still valid, and PFsPef=∞, PFsPef=0, MfvPef=∞, MfvPef=0 are calculated from PFsPef≡∞, PFsPef≡0, MfvPef≡∞, MfvPef≡0, thus PFs and Mfv can be determined in a global way which eventually is based on the distillation curve of fuel. The explicit solution of transient heat transfer equation is used to have droplet surface temperature and droplet average temperature as a function of surface Nusselt number and non-dimensional time. The effect of varying com position of multi-component fuel evaporation is taken into account by expressing the properties as a function of molecular mass, acentric factor, critical temperature, and critical pressure. A specific calculation method is developed for liquid fuel diffusion coefficient, also special care is taken to calculate the binary diffusion coefficient of fuel vapor-air in gaseous phase. The effect of Stefan flow and natural convection has been included. The predictions from the present evaporation model for different turbine fuels under very wide temperature ranges have been compared with experimental data with good agreement.

Study of azeotropic mixtures with the advanced distillation curve approach

2009 ◽  
Vol 281 (1) ◽  
pp. 49-59 ◽  
Author(s):  
Amelia B. Hadler ◽  
Lisa S. Ott ◽  
Thomas J. Bruno
Keyword(s):  
Distillation Curve ◽  
Azeotropic Mixtures

Droplet evaporation modeling by the distillation curve model: accounting for kerosene fuel and elevated pressures

2003 ◽  
Vol 46 (23) ◽  
pp. 4403-4412 ◽  
Author(s):  
M. Burger ◽  
R. Schmehl ◽  
K. Prommersberger ◽  
O. Schäfer ◽  
R. Koch ◽  
...  
Keyword(s):  
Droplet Evaporation ◽  
Distillation Curve ◽  
Elevated Pressures ◽  
Curve Model

Complex Fluid Analysis with the Advanced Distillation Curve Approach

2010 ◽  
Vol 82 (3) ◽  
pp. 777-783 ◽  
Author(s):  
Thomas J. Bruno ◽  
Lisa S. Ott ◽  
Beverly L. Smith ◽  
Tara M. Lovestead
Keyword(s):  
Distillation Curve ◽  
Fluid Analysis ◽  
Complex Fluid

On the determination of the distillation curve of fatty acid methyl esters by gas chromatography

Fuel ◽  
2022 ◽  
Vol 314 ◽  
pp. 123143
Author(s):  
Rodica Niculescu ◽  
Mihaela Năstase ◽  
Adrian Clenci
Keyword(s):  
Gas Chromatography ◽  
Fatty Acid ◽  
Fatty Acid Methyl Esters ◽  
Methyl Esters ◽  
Distillation Curve ◽  
Acid Methyl
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