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Toplam kayıt 151, listelenen: 81-90
Influence of Time and Room Temperature on Mechanical and Thermal Degradation of Poly(lactic) Acid
(VINCA INST NUCLEAR SCI, MIHAJLA PETROVICA-ALASA 12-14 VINCA, 11037 BELGRADE. POB 522, BELGRADE, 11001, SERBIA, 2019)
Poly(lactic) acid (PLA), is a compostable thermoplastic which degrades fast under composting conditions of microorganisms, high humidity, and temperatures. However, PLA degrades slowly below its glass transition temperature ...
Legendre Wavelet Operational Matrix Method for Solving Fractional Differential Equations in Some Special Conditions
(VINCA INST NUCLEAR SCI, MIHAJLA PETROVICA-ALASA 12-14 VINCA, 11037 BELGRADE. POB 522, BELGRADE, 11001, SERBIA, 2019)
This paper proposes a new technique which rests upon Legendre wavelets for solving linear and non-linear forms of fractional order initial and boundary value problems. In some particular circumstances, a new operational ...
New Model for Compressive Strength Loss of Lightweight Concrete Exposed to Elevated Temperatures
(VINCA INST NUCLEAR SCI, MIHAJLA PETROVICA-ALASA 12-14 VINCA, 11037 BELGRADE. POB 522, BELGRADE, 11001, SERBIA, 2019)
This study proposes a new model for the residual compressive strength of structural lightweight concrete after exposure to elevated temperatures up to 1000 degrees C. For this purpose, a database of residual compressive ...
Validation of Computational Fluid Dynamic Analysis of Natural Convection Conditions for A Resin Dry-type Transformer with A Cabin
(VINCA INST NUCLEAR SCI, MIHAJLA PETROVICA-ALASA 12-14 VINCA, 11037 BELGRADE. POB 522, BELGRADE, 11001, SERBIA, 2019)
Many industrial products work under different constraints. Examples of these products include transformers and keeping them in certain operating temperatures is an important design constraint. However, since power transformers ...
Solar Powered Hybrid Multilevel Inverter Fed Induction Motor Using Fuzzy Proportional Integral Speed Controller
(VINCA INST NUCLEAR SCI, MIHAJLA PETROVICA-ALASA 12-14 VINCA, 11037 BELGRADE. POB 522, BELGRADE, 11001, SERBIA, 2019)
In this paper, speed control of solar powered single phase hybrid multilevel inverter fed induction motor using fuzzy proportional integral controller is proposed. The proposed control system has been developed using ...
An Anisotropic Model of Unbound Granular Material Under Repeated Loading
(VINCA INST NUCLEAR SCI, MIHAJLA PETROVICA-ALASA 12-14 VINCA, 11037 BELGRADE. POB 522, BELGRADE, 11001, SERBIA, 2019)
The base and subbase layers of a pavement are compacted to the desired density by rollers. This cause the anisotropy in other words the layer more steer in the vertical direction than the horizontal direction. In the study ...
Hankel Determinants of Non-Zero Modulus Dixon Elliptic Functions via Quasi C Fractions
(MDPI, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2019)
The Sumudu transform of the Dixon elliptic function with non-zero modulus alpha not equal 0 for arbitrary powers N is given by the product of quasi C fractions. Next, by assuming the denominators of quasi C fractions as ...
A Fuzzy Logic Based Approach to Solve Interval Multiobjective Nonlinear Transportation Problem
(NATL ACAD SCIENCES INDIA, 5 LAJPATRAI RD, ALLAHABAD 211002, INDIA, 2019)
This paper presents the solution procedure of multiobjective nonlinear transportation problem (MNOTP) where the cost coefficients of the objective functions, and the supply and the unknown demand parameters have been ...
The Gegenbauer Wavelets-Based Computational Methods for the Coupled System of Burgers' Equations with Time-Fractional Derivative
(MDPI, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2019)
In this study, Gegenbauer wavelets are used to present two numerical methods for solving the coupled system of Burgers' equations with a time-fractional derivative. In the presented methods, we combined the operational ...
New Solutions of the Fractional Boussinesq-like Equations by Means of Conformable Derivatives
(ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2019)
In this paper, the process of the extended direct algebraic method (EDAM) is used to solve two fractional Boussinesq-like equations by means of conformable derivatives. Firstly, these fractional equations are changed into ...