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Orenburg State University january 25, 2022   RU/EN
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Sidorenko G.A., Popov V.P., Zinyukhin G.B., KhaninaT.V., Maneyeva E.Sh.
ELECTROCONTACT BAKING OF THE BISCUIT [№ 9 ' 2015]
Almost all kinds of pastries are baked by the radiation and convective way. Delaying and stopping of the pastry volume of the test preparation during baking result in the crust formation on the surface of the flour product. During traditional baking the activity of enzymes and various biologically active compounds decreases. Besides, over the high temperature the crust of the flour product accumulates the products of the fats polymerization, polycyclic aromatic carbohydrates, various oxide substances that reduces the nutrition and the biological value of the finished products. In this regard, baking ways, at which crust isn't formed, are of special interest. The influences of various parameters on the finished product quality and the process of electrocontact baking are also of interest, in particular the influence of various dosages of flour on the indicators of the biscuit quality, and also the temperature and the volume of the biscuit during baking. The change of the substances amount entering the compounding will allow to give an assessment to the prospects of this or that application for the biscuit. The traditional radiation and convective baking is characterized by the high-temperature impact on the baked preparation that leads to the decrease in nutrition and biological value of the products. Baking products by the electrocontact way it is possible to reduce the loss of the useful compounds that increases the nutrition and the biological value of the finished products. According to the researches of the technology of the biscuit making baked by the electrocontact way it was revealed that the increase in flour dosages intensifies the process of electrocontact baking for the biscuit. The increase in flour dosages leads to the increase in elasticity and the improvement of organoleptic and physical and chemical properties of the biscuit (the complex indicators increase of organoleptic and physical and chemical properties).

Bulatasov E.O., Popov V.P., Hanin V.P.
MATHEMATICAL MODEL OF WOOD MILLING [№ 4 ' 2015]
The complexity of the process of cutting wood creates objective difficulties of obtaining a complete and accurate analytical description of the relations between the baseline and performance indicators cutting. To ensure the adequacy of the laws established by theory and experiment, the analysis of the process of cutting the wood necessary to consider many factors, first and foremost — the viscoelastic characteristics of the material being processed. An analysis of the forces from the blade by a timber for cutting the three main directions found that using compressive and tensile stresses occurring in the material being processed in the interaction with a cutter, it is possible not only to describe the process of cutting the wood to cut the three principal directions, and significant differences explain why the cutting force values for these cases, without using such a thing as chopping wood when cutting. It is expected that after cutting the thinnest shavings sharp cutter, the thickness of which is comparable to the radius of the rounding of the blade for wood cutter action to a greater extent can be reduced to the action of the blade, and the action of the front face, since small quantities, can be neglected. The study the mathematical model developed using the mathematical apparatus of rheology, which in theory wood cutting is a new method of mechanics-mathematical analysis, a formula for determining the amount of force cutting wood.

Panov E.I., Polischuk V.Y., Khanin V.P.
THE IMPROVEMENT OF THE TENSION OF THE WOOD SAWDUST INTO THE EXTRUSION AREA OF THE PELLET-MILL WITH THE CIRCULAR DIE [№ 1 ' 2015]
Pellet-mills are widely used in the production of pellets from raw materials of vegetable origin. Starting from the 20-ies of the last century they were used for pressing feed, and lately they are used for pressing of wood sawdust. Because of this there are the problem of the optimal design of such working elements of the pellet-mills. The solution lies in to conduct identification and verification of mathematical models of the extrusion process in semi-pressing into the working elements of the pellet-mill. For one of the same models which describes the stress of the extruded semi-finished product on the contact surfaces of working elements: the circular die and the pressing roller, such a procedure was performed. Based on the results of the experimental determination of the normal to the surface of the pressing pellet-mill roller extrusion tension softwood sawdust with the humidity of 10% and identification of a mathematical model of the tension state of the semimanufactured material in the areas of the lag and lead wedge workspace of the pellet-mill was refined theoretical description of the tension state in the area of semi-finished extruded — distribution extrusion area normal tension and shear tension on the contact surfaces of the die and the press roller between which there is a differential dependence.

Lezhneva I.I., Polischuk V.Y., Khanin V.P.
TENSION OF THE PLASTIC BODY PRESSED IN SCREW THE CHANNEL OF EKSTRUDER [№ 9 ' 2013]
On the basis of model of an elastic and plastic body the tension of a pressed material in the channel of a screw press is considered, influence on developed tension of parameters of a pressed material and channel parameters screw is investigated. Limiting tension which can develop a screw press is defined.

Polischuk V.Yu., Khanin V.P., Panov E.I., Medvedeva Yu.V.
TENSION OF THE WOOD SAWDUST IN THE CYLINDRICAL CHANNEL UPON TRANSITION FROM THE CALM CONDITION TO THE MOVEMENT [№ 1 ' 2013]
Methods of the theory of plasticity investigated a tension of a material, extruded in the cylindrical die channel, for a case of random changes on limited fluidity and contact friction.

Polischuk V.Yu., Khanin V.P., Panov E.I., Medvedeva Yu.V.
TENSION OF THE WOOD SAWDUST IN THE CYLINDRICAL CHANNEL AT THE ESTABLISHED MOVEMENT [№ 9 ' 2012]
Methods of the theory of plasticity investigated a tension of a material, extruded in the cylindrical die channel, for a case of a random changes of a limit of fluidity and factor of a contact friction.

Polishchuk, V.Yu., Khanin V.P., Prilepina I.I.
RESISTANCE TO EXTRUSION IN FORMING CHANNELS OF HOLLOW BRIQUETTES OF SAWDUST [№ 1 ' 2012]
Based on the model of elastic body the authors defined the resistance of the hollow extruded sawdust briquettes, considered conditions of formation of a briquette coaxial cylindrical cavity, the cavity diameter of a connection with the length of the forming cavity, and the physical properties of semi-finished product.

Malyshkina V.A., Popov V.P., Hanin V.P.
FLOW CHARACTERISTICS CHANGE OF MACARONI PRODUCTS AS FACTOR INFLUENCING THE PASSAGE PROCESS OF THEIR DRYING [№ 5 ' 2005]
In the article the analysis is made of convection dryings of macaroni products with preliminary hydrothermal processing and without it, dependences are received of products flow characteristics from duration and intensity of process, recommendations are given to the choice of parameters and to duration of drying.

Vasilevskaya S.P., Khanin V.P., Polischuk V.Yu.
RESISTANCE OF VARIABLE CROSS-SECTION DIE [№ 10 ' 2004]
The type of calculation of resistance to moving of non-Newtonian liquid through filter canals, consisting of cylindrical entrance cavity, convergent tube and molding cavity, was offered in this article.

Holodilina T.N., Antimonov S.V., Hanin V.P.
RESEARCH OF OPPORTUNITIES OF NUTRITIONAL VALUE INCREASE OF BUCKWHEAT HUSK [№ 10 ' 2004]
At processing of a buckwheat grain in groats up to 22% from a total load of feed stock a husk forms. Now known ways of its recycling do not find use. In the article the way of processing of a waste is considered which allows to lower quantity of cellulose and to improve parameters characterizing the nutritional value of a waste that will allow to use it as a component of feed mixture.


Editor-in-chief
Sergey Aleksandrovich
MIROSHNIKOV

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© Электронное периодическое издание: ВЕСТНИК ОГУ on-line (VESTNIK OSU on-line), ISSN on-line 1814-6465
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