Abstract
The article is about the materials of theoretical studies of the installation of a guide cap, as well as a new mesh design in the process of separating cotton from the conveying air. The ...issues of the influence of these designs on the natural properties of raw cotton are also studied.
Study of combined drying of lemon seeds and peel Choriev, A Zh; Khodzhiev, A A; Rakhimov, U Yu ...
IOP conference series. Earth and environmental science,
12/2023, Letnik:
1284, Številka:
1
Journal Article
Recenzirano
Odprti dostop
Abstract
The aim of the paper is to study the process of combined drying of lemon waste and to substantiate the prospects for the implementation of the process of drying lemon waste using ...IR-convective heat supply to intensify moisture transfer due to preliminary IR treatment with powerful pulsed radiation. As a result of theoretical and experimental studies, the modes of IR-convective drying have been determined by studies. The influence of the heat flux emitted by IR lamps on the object of study has been studied, depending on the variation of the increase in heat flux in the size of the distribution of emitters, respectively, lemon peel and seeds, processing time. Analyses have shown that in the proposed method, when exposed to IR rays, intensive removal of moisture from the entire volume of the material occurs.
Currently, the existing models of cyclic steam stimulation do not allow to research the development of the heat front at the stage of steam injection into the reservoir, considering the possible ...influence of both convective and conductive flows, as well as the properties of the rock and fluid. Knowledge of the dynamics of the development of fronts allows to determine the features of the ongoing physical processes at specific deposits and can be used to optimize the production process. The aim of the work is to analyze the development of the thermal field in rocks with different thermophysical parameters. A hydrodynamic model of the development of the thermal field was developed and calculated on the tNavigator software package for rocks with various thermophysical properties. The model considering the three-dimensional propagation of heat, the properties of reservoir and injected fluids, as well as heat loss into the top and the bottom of the reservoir. The comparison of the maximum dimensions of the heated area calculated according to the developed hydrodynamic model with the results obtained by the integral model is carried out. The dependence of the advance of the thermal front on the specific heat capacity and thermal conductivity of the rock is determined. The thermal front moves much further in rocks with a lower specific heat capacity and thermal conductivity with the same injection volume. It is shown that the convective component of heat exchange weakly depends on the specific heat capacity and the shape of the heat front remains the same in all cases.
The article deals with problems associated with health of female migrants arriving from Tadzhikistan to Russian Federation, with consideration of physical (manual), mental exertion, social and ...everyday factors.
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