Energy-saving technologies and equipment

Energy-saving technologies and equipment

In this issue:


Creation of a distributed energy system for the production of thermal and electric energy

The object of the study is the distributed generation (DG) system for remote areas where extending power lines is challenging or impossible. The study demonstrates how integrating electrical and thermal energy modules based on renewable energy sources (RES) into a common DG bus can ensure continuous energy supply. This approach provides both heat and electricity to consumers, independent of weather conditions an advantage over traditional systems reliant on variable sources like wind and solar energy. Read more


Determining the efficiency of restored photovoltaic modules under natural lighting conditions

The object of this study is thin-film photovoltaic modules without physical damage, manufactured by CIGS technology, affected by potential-induced degradation, after restoration. The possibility of improving the efficiency of the array of restored photovoltaic modules of the Q.SMART UF L 105 type has been established experimentally, under natural lighting conditions, up to 50?% and higher with respect to the new reference photovoltaic panel. Read more


Structural performance evaluation of mobile solar-powered battery swap station for electric motorcycles

This study introduces a structural design and static analysis of a Mobile Battery Swap Station for electric motorcycles, powered by solar energy, to address the critical need for sustainable and off-grid charging infrastructure. As the adoption of electric motorcycles continues to grow, driven by the demand for eco-friendly transportation alternatives, the lack of widespread and accessible charging infrastructure poses a significant barrier to their widespread use. Read more


Identifying risks for effective maintenance of renewable energy plants in the new green Capital City of Indonesia

This study explores the use of Failure Mode and Effects Analysis (FMEA) to identify and mitigate risks in Solar Power Plants (PLTS) in Indonesia’s new National Capital City (IKN). As renewable energy is vital to Indonesia’s sustainability goals, managing risks in PLTS is essential for ensuring reliable and efficient energy production. The research identifies key challenges such as PV Array module failures, shading effects, and control system disruptions, which significantly impact electricity generation. Read more


Determining the optimal oxidation temperature of non-isothermal liquid fuels injections using modeling based on statistical droplet distribution

Single-hole injections of liquid hydrocarbon fuels (isooctane and dodecane) under high turbulence have been investigated using direct numerical simulation based on the statistical model considering the droplets’ atomization, distribution, and combustion. The study objects are the heat and mass transfer processes during atomization and combustion of liquid fuels injections within the combustion chambers of thermal engines. Read more


Development of an experimental energy complex based on a boiler plant with an automated burner for its energy use

The object of the study is a sustainable energy complex designed to convert biomass and livestock waste into thermal energy. The problem being solved is the reduction of environmental pollution in the agricultural sector of Kazakhstan through effective waste management. The complex includes a biofuel production plant, a biogas synthesis plant, and an optimized heat generator in the form of a biogas-fired hot water boiler. Read more


Defining indicators for the anaerobic fermentation process of aquaculture wastewater sediments

The object of this study is the process of anaerobic fermentation of wastewater sludge from aquaculture. It was established that the exponential dependence adequately describes the experimental data on the change in the level of decomposition of dry organic matter (DOM) and the specific yield of biomethane per unit of decomposed DOM of aquaculture wastewater sediment depending on the time of anaerobic fermentation. Read more


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