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Type of License Creative Commons
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Latest eJournals GJRE

Journal Specification

GJRE-A Volume 24

gjre_a

ISSN Online 2249-4596
ISSN Print 0975-5861
Print Estd. 2001
mEDRA DOI 10.17406/gjre
CrossRef DOI 10.34257/gjre
Publishing Frequency Monthly
CODEN GJRE
Society Accreditation Yes

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Citation indices  All Since 2015
Citations 4508 3713
h-index 25 20
i10-index 128 106

 

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Recent Articles Published in GJRE-A

Calculation of Time-Varying Mesh Stiffness of Internal Gears based on Precise Tooth Profile and Dynamic Analysis of Planetary Systems with Root Cracks

The internal meshing spur gear pair is the research object, and the potential energy method is applied to calculate the time-varying meshing stiffness of the internal gear. The internal gear tooth profile is divided into two parts: involute and transition curves, and the gear tooth stiffness is calculated by numerical integration based on accurate ...

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Hydrogen For Mobility a Zero Carbon Transportation System

Eliminating hydrocarbon transportation must be a fundamental goal for society if we are to negate Climate Change and its consequences. No source of CO2 emissions comes close to that of hydrocarbon fueled internal combustion engines and if we are to transition to a zero-carbon energy system, a viable alternative to hydrocarbon fuels must be found. L...

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The Main Methodological Postulate of Pyrometry and the Need for Its Revision

The analysis of the methodological principles on which pyrometry is based is carried out. Special attention is paid to the main methodological postulate and its consequences. The roots of its formation are considered. It is shown that the large methodological errors characteristic of pyrometry are a direct consequence of the system of priorities ar...

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Studies of the Mechanism of Adhesion of Polymer Coatings on the Oxidized Surface of Aluminum and Magnesium Alloys

The adhesion of the polymer paint Lakroten E-244 was investigated on oxidized aluminum A5154 and magnesium MA-20 alloys. It is shown that the adhesion of the polymer coating on the chemically oxidized surface of the aluminum alloy is significantly greater than on the anodic film of the magnesium alloy. Using photoelectron XPS spectroscopy and SEM a...

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The use of Universal (Control) Characteristics of Vane Blowers for an Objective Assessment of the Energy Efficiency of Pumping Systems

This article describes the methodology for assessing the energy efficiency of pumping systems equipped with a variable electric drive and operating with variable load, which was elaborated by the authors of the article. The analysis of traditional methods of recalculating the characteristics of the efficiency of pumping units when changing the freq...

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Articles under Press

 

Dispatchable Renewables: Selecting a Right Pathway

Clean Grid readiness is a major objective of Canada’s Clean Grid 2035 efforts and commitment to make all electricity generation in the country carbon net-zero. Making all the sources of electricity in power grids clean would be a tremendous step in Canada’s energy transition and low carbon economy growth. Deploying on a very large scale variabl...

Comparative Characterization of Saltwater from Kula, Nembe, and Kwale in the Niger Delta, Nigeria

Three samples of water from Kwale, Nembe, and Kula in the Niger Delta were collected and characterized, and the following properties: pH, Temperature, Dissolved Oxygen, Turbidity, Acidity, Alkalinity, Electrical conductivity, Salinity, Oil and Grease, Total Hydrocarbon (THC), Heavy metals, BTEX and Poly Aromatic Hydrocarbon (PAH) were determined. T...

A Survey on Methods to Optimize Power Harvesting in Drones

This paper explores the challenges associated with limited battery capacity in drones and presents a comprehensive analysis of strategies to optimize energy harvesting and extend flight durations. Various energy generation methods, including piezoelectric and solar harvesting, are discussed, along with electrical circuit generation for wireless cha...

Fundamentals of Electro Kinetics and Ionic Interactions for Durability Enhancement of Cement Concrete

Durability of concrete structures is of great concern among civil engineering community. The concrete is one of the most widely used construction materials due to its relatively competitive affordability, versatility, easy availability of its raw materials, workability and mouldability to any shape and size. (1) Concrete is a composite material tha...

Towards Digitalization of Fruits and Vegetables Supply Chain Digital Twins and Internet of Things Approach

The consumption of fruits and vegetables is known to confer numerous health benefits to individuals, owing to their remarkable nutrient density as agricultural produce. Rapid decay of perishable items leads to a reduction in quality and nutrient content. Additionally, these items are highly susceptible to spoilage. The implementation of cold chain ...

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