The geometry of curved ‘three-dimensional’ absolute intrinsic metric space (an absolute intrinsic Riemannian metric space) \(\varnothing\hat{\mathbb{M}}^3\), which is curved (as a curved hyper-surface) toward the absolute time/absolute intrinsic time ‘dimensions’ (along the verti...
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Research Article10.9734/psij/2021/v25i1030287
Jacques Nébié, Sidiki Zongo, Augustin S. Zongo, Guy C. Tubreoumya, Zacharie S. Kam, Serge W. Igo, Tizane Daho, Ilyassé Konkobo, Antoine Béré & Belkacem Zeghmati·Physical Science International Journal·2021
The present work reports the thermal performance of a box-type solar cooker insulated with kapok wool, a local plant with a low thermal conductivity. The experimental results obtained indicate that the absorber plate reached a maximum temperature of 155.2 °C. Moreover, the maximu...
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Research Article10.9734/psij/2021/v25i1030286
Boureima Kaboré, Germain Wende Pouiré Ouedraogo, Moctar Ousmane, Vincent Zoma, Belkacem Zeghmati, Xavier Chesneau, Sié Kam & Dieudonné Joseph Bathiebo·Physical Science International Journal·2021
In the Sahelian zone, air cooling in house by air-soil heat exchanger is an alternative in the context of insufficient of electrical energy. This work is about cooling of a habitat in Ouagadougou by numerical approach. Numerical results provided a better understanding of the infl...
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Research Article10.9734/psij/2021/v25i1030285
Two classes of three-dimensional metric spaces are identified. They are the conventional three-dimensional metric space and a new ‘three-dimensional’ absolute intrinsic metric space. Whereas an initial flat conventional proper metric space IE′3 can transform into a curved three-d...
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Research Article10.9734/psij/2021/v25i1030284
In this paper, using a suitable change of variable and applying the Adomian decomposition method to the generalized nonlinear Schr¨odinger equation, we obtain the analytical solution, taking into account the parameters such as the self-steepening factor, the second-order dispersi...
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Research Article10.9734/psij/2021/v25i930282
Loop Quantum Gravity is a theory that attempts to describe the quantum mechanics of the gravitational field based on the canonical quantization of General Relativity. According to Loop Quantum Gravity, in a gravitational field, geometric quantities such as area and volume are qua...
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Research Article10.9734/psij/2021/v25i930279
In this work, the pulse propagation in a nonlinear dispersive optical medium is numerically investigated. The finite difference time-domain scheme of third order and periodic boundary conditions are used to solve generalized nonlinear Schr¨odinger equation governing the propagati...
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Research Article10.9734/psij/2021/v25i930280
We show here that entropic information is capable of unifying all aspects of the universe at all scales in a coherent and global theoretical mathematical framework materialized by entropic information framework, theory and formulas, where dark matter, dark energy and gravity are...
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Research Article10.9734/psij/2021/v25i930281
This study presents a Gluon Gravity Model, to explain the mechanism of gravity. With the development of quantum chromodynamics since 1970, Newton's law of universal gravitation and Einstein's theory of general relativity need to be reinterpreted. Like an electric charge causes an...
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Research Article10.9734/psij/2021/v25i630266
This paper calculates the stress function constants to determine and analyse the stress field of a beam with an elliptical cross-section under transverse loading. This was performed using linear elasticity principles. The Beltrami-Michell compatibility equations were used to deri...
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Research Article10.9734/psij/2021/v25i630265
The distribution function of systems in equilibrium must have the canonical form of the Gibbs distribution. To substantiate this behavior of systems, attempts have been made for more than 100 years to involve their mechanical behavior. In other words, it seems that a huge number...
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Research Article10.9734/psij/2021/v25i630263
Developing scientific practices and procedures for finding the characteristics of various crude oils from different geological sources based on fluorescence spectra fingerprints would be beneficial to the petroleum industry. Laser-Induced Fluorescence (LIF) has gained relevance w...
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Research Article10.9734/psij/2021/v25i630262
This paper presents the design and implementation of a 1.5KVA inverter system. The aim of the paper is to evaluate the effect of optocoupling technology on inverter system. The developed circuit compares the output load with the input voltage when 4N35 opto coupler is used and in...
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Research Article10.9734/psij/2021/v25i630261
Dieudonné Dabilgou, Salifou Ouedraogo, Adelaide Lareba Ouedraogo, Thierry Sikoudouin Maurice Ky, Bruno Korgo, Sié Kam & Dieudonné Joseph Bathiebo·Physical Science International Journal·2021
Aims: The present work is the use of Scheffler technology to melt plastic waste to produce composite materials using an oven type receiver. The composite material in this study contains polyethylene as a matrix and sand as reinforcement. Study Design: The fusion temperature of po...
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Research Article10.9734/psij/2021/v25i530258