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Physical Science International Journal

· ISSN (electronic) 2348-0130

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700

Articles indexed

0

2026 articles

699

Open access

862

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Articles (700)

Evolutionary Sequence of Spacetime and Intrinsic Spacetime and Associated Sequence of Geometries in Metric Force Fields III

O. Akindele Adekugbe Joseph · Physical Science International Journal · 2021

A curved `two-dimensional' absolute intrinsic metric spacetime (\(\varnothing\)\(\hat{\rho}\),\(\varnothing\)\(\hat{c}_s\)\(\varnothing\)\(\hat{t}\)) on the vertical intrinsic spacetime hyperplane; its invariantly projected flat ‘two-dimensional' absolute proper intrinsic metric...

Open access Research Article 10.9734/psij/2021/v25i1030288

Evolutionary Sequence of Spacetime and Intrinsic Spacetime and Associated Sequence of Geometries in Metric Force Fields II

O. Akindele Adekugbe Joseph · Physical Science International Journal · 2021

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...

Open access Research Article 10.9734/psij/2021/v25i1030287

Thermal Performance Assessment of a Box-type Solar Cooker with an Inclined Collecting Surface and Kapok Wool Insulation

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...

Open access Research Article 10.9734/psij/2021/v25i1030286

Habitat Cooling by a Canadian Well in Ouagadougou (Burkina Faso): Numerical Approach

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...

Open access Research Article 10.9734/psij/2021/v25i1030285

Evolutionary Sequence of Spacetime and Intrinsic Spacetime and Associated Sequence of Geometries in Metric Force Fields I

O. Akindele Adekugbe Joseph · Physical Science International Journal · 2021

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...

Open access Research Article 10.9734/psij/2021/v25i1030284

Solving Generalized Nonlinear Schrödinger Equation by Adomian Decomposition Technique

Gaston Edah, Villévo Adanhoumè & Marc Amour Ayela · Physical Science International Journal · 2021

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...

Open access Research Article 10.9734/psij/2021/v25i930282

Black Holes, Gravitational Waves and Quantum Gravity

W. F. Chagas-Filho · Physical Science International Journal · 2021

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...

Open access Research Article 10.9734/psij/2021/v25i930279

A Numerical Method for Pulse Propagation in Nonlinear Dispersive Optical Media

Gaston Edah, Aurélien Goudjo, Jamal Adetola & Marc Amour Ayela · Physical Science International Journal · 2021

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...

Open access Research Article 10.9734/psij/2021/v25i930280

Gravitational Force is a Type of Physical Interaction between Gluon Fields: Molecular Motions of Gases

C. G. Sim · Physical Science International Journal · 2021

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...

Open access Research Article 10.9734/psij/2021/v25i630266