Huntley Complement while Determining Area of Rational Pressurized Ventilation Usage by Ya. A. Gusentsova

“…An optimum utilization criterion for pressurized  ventilation and air heating systems of public and office buildings has been obtained on the basis of generalized mathematical model of thermal and aerodynamic characteristics of air heating and ventilation systems.…”
Get full text

Establishment of Optimum Ecological System for Monitoring Boiler Units by V. I. Nazarov

“…A mathematical model has been proposed for ecological monitoring of a boiler unit. …”
Get full text

EFFECT OF THE ALLOY COOLING RATE ON THE FORMATION OF CRACKS IN CASTINGS by M. A. Ivanov, V. I. Shevtsov

“…For the first time the theoretical mechanism of calculation of tension in crystallizing castings taking into account its cooling speed is presented. The mathematical model is developed and the chart of tension while crystallizing of the steel 30HNMFL is built.…”
Get full text

Quantization of the Electric Conductivity in Carbon Nanotubes by M. A. Grado-Caffaro, M. Grado-Caffaro

“…In this paper, the electric conductivity of carbon nanotubes is investigated by deriving a mathematical expression for the quantized conductance in an ideal one-dimensional potential well with a single electron moving in it. …”
Get full text

Analysis of temperature state of massive flat ingot in conditions of radiational contraflow by Ju. S. Postolnik, V. I. Timoshpolskij, A. P. Ogurtsov, Ju. N Zinchenko, O. V. Dubina, E. O. Tskitishvili, S. M. Kozlov, P. T. Ratnikov

“…There is given the analysis of the task solution of counterflow heat exchange at heating of solids of classic form taking into account non-linearities of I and II type. As a mathematical apparatus there is used “the method of equivalent sources of energy”.…”
Get full text

Investigation of the matematical model of the multimensional automatic control system with delays by Jonas Rimas

“… The mathematical model of the mutual synchronisation system composed of n = 2p + 1  (p ∈ N) joined into a chain oscillators is investigated. …”
Get full text

An Extended Analytical Approach to Evaluating Monotonic Functions of Fuzzy Numbers by Arthur Seibel, Josef Schlattmann

“…The approach is based on a parametric α-cut representation of fuzzy numbers and allows for the inclusion of parameter uncertainties into mathematical models.…”
Get full text

MODELING OF PROCESS OF THE WIRE SLUGS CONTINUOUS VERTICAL CASTING by E. I. Marukovich, V. A. Pumpur, V. A. Harkov

“…The mathematical model of heat-exchange and program complex for modeling o f the process o f the wired slug forming at continuous vertical casting are presented. …”
Get full text

FEATURES FORMALIZATION TASKS OF FORMATION OF SOLUTIONS FOR FUNCTIONAL AND PRODUCTION MANAGEMENT INDUSTRIAL ENTERPRISES IN THE MARKET by S. Logvinov

“…Particular attention is paid to the economic and mathematical modeling of structural and manufacturing processes in industrial plants.…”
Get full text

Effective Thermal Conductivity of Open Cell Polyurethane Foam Based on the Fractal Theory by Kan Ankang, Han Houde

“…However, the total effective heat flux is the summation of the heat conduction by the solid phase and the gas in pores, the radiation, and the convection between gas and solid phase. Fractal mathematical equation of effective thermal conductivity is derived with fractal dimension and vacancy porosity in the cell body. …”
Get full text

Sizing a Hybrid Renewable Energy System by a Coevolutionary Multiobjective Optimization Algorithm by Wenhua Li, Guo Zhang, Xu Yang, Zhang Tao, Hu Xu

“…However, as more and more devices are added into MG, the mathematical model of HRES refers to nonlinear, in which the traditional method is incapable to solve. …”
Get full text

A Water Hammer Protection Method for Mine Drainage System Based on Velocity Adjustment of Hydraulic Control Valve by Yanfei Kou, Jieming Yang, Ziming Kou

“…The optimization adjustment strategy is solved from the mathematic model of multistage valve-closing. Taking a mine drainage system as an example, compared results between simulations and experiments show that the proposed method and the optimized valve-closing strategy are effective.…”
Get full text

Analysis of castor wheels rotation of mobile differential drive robot by A. A. Radkevich, Shixin Yang, U. A. Zaretski, A. A. Velchenko, S. A. Pauliukavets

“…Mathematical models for controlling centrally oriented and non-centrally oriented rotary wheels of a mobile robot are considered. …”
Get full text

Research on the Multilayer Free Damping Structure Design by Jie Meng, Dagang Sun

“…Based on three specific damping structures, the mathematical model is verified through ABAQUS. With the given structural loss factor (η≥2) and the layer number (n=3,4,5,6), 34 kinds of multilayer free damping structures are then presented. …”
Get full text

Complex temperature distribution model for controlling the thermal performance of household led lamps by V. P. Kuzmenko

“…A comprehensive analysis of heat distribution processes in household LED lamps and the development of a mathematical model of the thermal radiation of an LED light source using the finite difference method are presented. …”
Get full text

Hesitant Bipolar-Valued Fuzzy Soft Sets and Their Application in Decision Making by Jin-Ying Wang, Yan-Ping Wang, Lei Liu

“…As an extension of fuzzy sets, hesitant bipolar-valued fuzzy set is a new mathematical tool for dealing with fuzzy problems, but it still has the problem with the inadequacy of the parametric tools. …”
Get full text

Research on the Prepositive Distance of Crosswalk Warning Markings for Unsignalized Road Section by Guohua Liang, Fangfang Wang, Quan Shi, Rui Li, Zhijing Ji, Chenchen Dong

“…This paper proposed an optimal prepositive distance of crosswalk warning markings for unsignalized road section under three different design speeds based on the mathematical modelling and driving simulation. To set up the most efficient mathematical modelling for calculating the layout interval of prepositive distance, the vehicles slowing down behaviour characteristics in front of crosswalk were explored. …”
Get full text

Gear Tooth Failure Detection by the Resonance Demodulation Technique and the Instantaneous Power Spectrum Method – A Comparative Study by Ahmad Ghasemloonia, Siamak Esmaeel Zadeh Khadem

“…In the present study, the mathematical method of these techniques, according to the mathematical vibration model of gears, is introduced, these techniques are applied to the test rig data, and finally the results of both methods are compared. …”
Get full text

Assessment of the influence of gap wall mobility factor at calculation of leakage in working section of a scroll compressor. Part 2 by V. A. Pronin, A. V. Kovanov, V. A. Tsvetkov, E. N. Mikhailova, P. A. Belov

“…Accordingly, an adequate and qualitative mathematical model should include the factor of non-stationarity of the leakage process, taking into account the mobility of scroll elements. …”
Get full text

On Solitary Wave Solutions for the Camassa-Holm and the Rosenau-RLW-Kawahara Equations with the Dual-Power Law Nonlinearities by Nattakorn Sukantamala, Supawan Nanta

“…The nonlinear wave equation is a significant concern to describe wave behavior and structures. Various mathematical models related to the wave phenomenon have been introduced and extensively being studied due to the complexity of wave behaviors. …”
Get full text