Engineering Science & Technlogy, Volume 5 Issue 1 (2024), 1-157

Open Access Article

Metamaterial Inspired Resonators as Microwave Sensors: A Review

by Rajat Srivastava, Sangeeta Kale

ABSTRACT: Metamaterial-based devices show properties like negative magnetic permeability and negative electrical permittivity, which are not found naturally. Due to their extraordinary sensitivity to nearby...

Open Access Article

Design and Analysis of the Low Bend Losses 2D Photonic Crystal Fiber-based Rhombic Ring Resonator for Magnetic Field Sensor

by Aashis S Roy, Ameena Parveen, Juhi Nishat Ansari

ABSTRACT: We designed and analyzed a magnetic field sensor with low bend losses 2D photonic crystal fiber based on a rhombic ring resonator. The proposed design consists of silicon rods with a diameter of...

Open Access Article

Investigation of the Properties of Metakaolin-Based Geopolymer Materials Using Ferrisilicates as Additives Synthesised in Sodium Hydroxide Solution or Distilled Water

by Franklin Kenne Tazune, Lucile Dolly Dedzo Nzangue, Alexis Ngueteu Kamlo, Hervé Kouamo Tchakouté, Claus Henning Rüscher

ABSTRACT: The main objective of this work is to investigate the behaviour of ferrisilicates prepared from hematite and two silica sources (rice husk ash and silica fume) on the compressive strength of...

Open Access Article

Numerical Simulation of the Effect of Fusion Welding Processes on Residual Stress in Stainless Steel Pipe Weld Joints Used in Fast Reactors

by M Ragavendran, M Vasudevan

ABSTRACT: The main structural material used in the building of Fast Breeder Reactors (FBR) is stainless steel of type 316L(N). Finite Element Model (FEM)-based simulations were carried out to understand the...

Open Access Article

Powering the Future: Advancements and Applications of Photovoltaic Systems with Political, Economic, and Environmental Considerations

by Qi Guo, Austin Ingram

ABSTRACT: The paper explores the significant role of photovoltaic (PV) technology in the global energy mix and its diverse range of applications, including power generation for residential and commercial...

Open Access Article

6G Broadband and High Directive Microstrip Antenna with SIW and FSSs

by Uri Nissanov, Ghanshyam Singh

ABSTRACT: Sixth-Generation (6G) wireless communication networks require the fabrication of broadband and high directivity microstrip antennas to offset the high atmospheric path loss beyond 100 Gigahertz...

Open Access Article

Three-Dimensional Tolerance Analysis and Allocation for Valve Gap of Engine

by Yin Li, Hua Chen

ABSTRACT: The engine is a typical complex machine with many mechanisms and high precision. The tolerance of the valve gap is an accumulative result of component tolerances on the valve mechanism, which is...

Open Access Article

Nonlinear Oscillations and Buckling Prediction for Shallow Convex Shells

by V. A. Grachev, Yu. S. Neustadt

ABSTRACT: Since 2010, the testing of thin-walled shallow shells has revealed that the ultimate internal stresses, under which the shells lose their stability (collapse), appeared to be lower than those...