Hydrogen and ammonia are two carbon-free alternative fuels for engines. They represent some of the most viable pathways toward achieving our objectives of energy conservation and reducing emissions. To research the quality of the hydrogen-ammonia-air mixture formation under diffe...
Open access
Research Article10.9734/jerr/2024/v26i41122
In recent years, with the continuous expansion of human activity areas, the Marine pollution caused by human activities has become increasingly serious, and the large influx of agricultural emissions and household garbage needs to rely on underwater equipment to clean up. However...
Open access
Research Article10.9734/jerr/2024/v26i41117
The durability of concrete is determined by the permeability resistance to a large extent. The permeability resistance of concrete is an important index of concrete durability. This paper introduces the water permeability test process of concrete in China, Europe and the United S...
Open access
Research Article10.9734/jerr/2024/v26i41114
Relay protection schemes play a vital part in guaranteeing reliability and integrity of electrical power networks by promptly detecting and isolating faults in the transmission network. Fault resistance encountered during a fault event, is a crucial parameter that significantly i...
Open access
Research Article10.9734/jerr/2024/v26i41115
Steel tube concrete refers to a composite structure formed by filling concrete in a steel tube, and the steel tube and its core concrete can jointly bear external loads. The seismic performance of composite structures largely depends on the strength and ductility of the columns....
Open access
Research Article10.9734/jerr/2024/v26i41116
Recycled aggregate concrete filled steel tube as a new combined structural form, can effectively improve the inherent defects of recycled aggregate concrete. Existing studies are mainly theoretical analysis, experimental research and numerical simulation to investigate the mechan...
Open access
Research Article10.9734/jerr/2024/v26i41111
Cardiovascular diseases (CVDs) are a leading cause of mortality worldwide, necessitating innovative solutions for early detection and continuous monitoring. This research aims to develop an Android-based remote cardiac monitoring device for real-time electrocardiogram (ECG) signa...
Open access
Research Article10.9734/jerr/2024/v26i41112
Prestressed steel cylinder concrete pipe (PCCP) has the characteristics of high strength, excellent impermeability, strong sealing and easy installation, and has become an irreplaceable first choice pipe in China's long-distance water diversion project. However, in the process of...
Open access
Research Article10.9734/jerr/2024/v26i41113
This study presents an optimized Proportional Integral Derivative Based Power System Stabilizer (PIDPSS) using Jaya Algorithm for angular stability enhancement. Jaya algorithm introduced by Rao, is an optimization technique with few control parameters which is used to minimize th...
Open access
Research Article10.9734/jerr/2024/v26i41110
The paper examines the technical and economic characteristics of the most common controllers from popular manufacturers in the United States, designed to automate the operation of rod depth pumps installed in oil-producing pumping machines. The main functional components, inclu...
Open access
Research Article10.9734/jerr/2024/v26i41109