scholarly journals Implementación de Motor Stirling para generación de energía eléctrica limpia empleando una lente de Fresnel

2019 ◽  
pp. 4-9
Author(s):  
Hilario López-Xelo ◽  
José Juan Hernández-Medina ◽  
Rene Pérez-Martínez ◽  
José Luis Cabrera-Pérez
Keyword(s):  
Energy Demand ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Fresnel Lens ◽  
Manufacturing Cost ◽  
Toxic Emissions ◽  
Proposed Model ◽  
Parabolic Dish ◽  
Parabolic Dish Concentrator ◽  
Relative Design

In search of expanding the generation of electric power and reduce the burning of fossil fuels. It is proposed to use the tools that already have and the necessary information to make a prototype of Alfa type Stirling engine, which is a thermal machine with low levels of noise and toxic emissions, that its relative design is of low manufacturing cost for the generation of clean electrical energy, for the heating we will use a Fresnel lens with the purpose of satisfying the thermal energy demand of the same, in the sense of achieving the best angle of capture of solar rays, at the same time achieving the highest concentration of heat possible for the heating angle of the motor. The validation of the proposed model is based on experimental results, using the information obtained from the production of electrical energy, with this the validation of the prototype will be performed, similar to the solar parabolic dish concentrator.

Hydrogen Production From Waste and Renewable Resources

2021 ◽  
pp. 22-46
Author(s):  
Amit Kumar Chaurasia ◽  
Prasenjit Mondal
Keyword(s):  
Hydrogen Production ◽  
Steam Reforming ◽  
Energy Demand ◽  
Fossil Fuels ◽  
Biomass Conversion ◽  
Renewable Energy Resources ◽  
Rapid Urbanization ◽  
Research Attention ◽  
Toxic Emissions ◽  
Solar Conversion

Increasing population and rapid urbanization lead to degradation of the natural environment while waste generation and energy crisis are major challenges in the most developing country. Hydrogen is considered one of the most promising energy carriers and capable to replace fossil fuels and meet the world's energy demand and concomitantly reduce toxic emissions. Currently, the world produces around 50 million tonnes/year from the process (i.e., electrolysis of water, steam reforming of hydrocarbons, and auto-thermal processes), but these processes are not sustainable and economical due to energy requirements and waste/pollutants generation. These challenges required growing interest in renewable energy resources such as hydrogen as an energy carrier. Hydrogen production from renewable sources attracted recent research attention because of its potential for sustainability and diversity. Hydrogen can be produced by various thermal, chemical, and biological technologies that include steam reforming, electrolysis, biomass conversion, solar conversion, and biological conversion.

Smart Grid-Integrated Electric Vehicle Charging Infrastructure

2022 ◽  
pp. 1-24
Author(s):  
Isa S. Qamber ◽  
Mohamed Y. Alhamad
Keyword(s):  
Electric Vehicle ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Charging Infrastructure ◽  
Electric Vehicle Charging ◽  
Proposed Model ◽  
Rotary Motors ◽  
The Cost ◽  
Efficiency And Reliability

The movements for any type of electric vehicle (EV) can be powered by wheels or driven by rotary motors. EVs derive their power from various sources, including fossil fuels. In the long term, reducing the cost of electrically powered vehicles (EDV) is seen as an essential ingredient to increase consumer acceptance. In addition, it aims to reduce the weight and volume of EDV. Moreover, the focus is on improving the performance, efficiency, and reliability of the EDV. The development of innovative modules is important when the acceleration of production and marketing needs to be improved. Consumers are looking for the production and transmission of electrical energy. This contributes to a greener environment. One of the most important parts of an EV is its battery. A proposed model presented in this chapter considers several parameters: solar radiation (PV panels), EV backup battery, and main charger. The model allows energy storage to be developed efficiently.

scholarly journals Solar Flower for Power Generation with Ability to Generate at Night

2021 ◽  
Vol 9 (VII) ◽  
pp. 1579-1585
Author(s):  
Dr. Akhilendra Singh Yadav
Keyword(s):  
Fossil Fuels ◽  
Electrical Energy ◽  
Growth Efficiency ◽  
Artificial Light ◽  
The Sun ◽  
Solar Panels ◽  
Night Time ◽  
Artificial Light Source ◽  
Proposed Model ◽  
Generation Capacity

Today energy is the principle idea for socio-economic development. But because of incremental charge of environmental difficulty renewable strength offer a tremendous interest. This opportunity strength supply is constantly achieving more recognition because of non-stop discount in fossil fuels. It is the strength comes from solar, wind, rain etc. Among the non-conventional, renewable sources, sun power presents notable capability for conversion into electric power. Maximizing strength output from a sun is appropriate to growth efficiency. In order to maximize strength output, wishes to hold the panels aligned with the solar. This paper focuses with the generation capacity of solar energy during day time and as well as during night time. The proposed model guarantees the optimization of the conversion of sun energy into electrical energy via means of properly setting up the panel according with the input of artificial light source in night time and at the same time to that of the sun position during day time. An experimental prototype was built and results have proven the good performance. In future higher efficiencies of solar panels will prove a golden way in generation of solar power 4 times the input in the night time.

scholarly journals Prioritizing Energy Sources to Generate Electricity (Application of Fuzzy Logic)

2015 ◽  
Vol 10 (2) ◽  
pp. 414-421
Author(s):  
Bahareh Hashemlou ◽  
Hossein Sadeghi ◽  
Arashk Masaeli ◽  
Mohammadhadi Hajian ◽  
Shima Javaheri
Keyword(s):  
Natural Gas ◽  
Energy Demand ◽  
Power Plants ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Electricity Production ◽  
Fuzzy Preference Relations ◽  
Safety And Reliability ◽  
The Cost ◽  
Day By Day

Organizations, institutions, and different sectors of manufacturing, services and agriculture are constantly making decisions. Each of the aforementioned sectors, have strategies, tactics, and various functions that play a basic role in reaching the objectives. On the other hand, energy demand in developing countries is increasing day by day. The exact calculation of the cost per unit of electricity generated by power plants is not easy. Therefore, this study according to four sources of natural gas, nuclear energy, renewable energy and other fossil fuels other than natural gas that are used in a variety of electricity production plants is trying to clarify the ranking of generation electricity approach using "fuzzy preference relations" analysis. Accordingly, three models were used and the results showed that natural gas, with regard to the four criteria of low investment cost, low power, lack of pollution and the safety and reliability of electrical energy has priority over other alternatives. Full preferred model results also suggested that the energy of natural gas, renewable energies, nuclear and other fossil fuels should be considered in a priority for power generation. Sensitivity analysis results moreover demonstrated that the above models are not affected by the threshold values ​​and the full stability of the models is observed.

scholarly journals Prediction of Focal Image for Solar Parabolic Dish Concentrator With Square Facets – An Analytical Model

2021 ◽  
Author(s):  
Arjun Singh Kopalakrishnaswami ◽  
Reyhaneh Loni ◽  
Ghoalmhosein Najafi ◽  
SENDHIL KUMAR NATARAJAN
Keyword(s):  
Electrical Power ◽  
Efficient Design ◽  
Aperture Diameter ◽  
Collector System ◽  
Image Dimension ◽  
Proposed Model ◽  
Parabolic Dish ◽  
Influencing Parameters ◽  
Parabolic Dish Concentrator ◽  
Good Agreement

Abstract Solar parabolic dish concentrator is one of the high-temperature applications of more than 400 °C for thermal and electrical power generation. In the solar parabolic dish concentrator, the arrangement of reflectors over the surface area is the significant factor for effective concentration of solar radiation. Also, focal image is one of the most influencing parameters in the design of receiver. Among the various reflectors, the square shaped reflectors (facets) are comparatively effective in converging the incoming radiations to attain better focal image. In this regard, an attempt has been made to predict the focal image diameter of a solar parabolic dish concentrator with a square facet of different influencing parameters using a novel mathematical model. The influencing parameters considered for the study are aperture diameter, rim angle, and facet length of the dish concentrator. Based on the proposed model, the focal image dimension and aperture area of a solar parabolic dish concentrator with square facets can be predicted accurately for efficient design of a solar parabolic dish collector system. Finally, the proposed model is validated with the experimentally obtained focal image diameter and it is observed that the predicted result is in good agreement with the experimental one. Thus, the proposed model can be effectively used for the design of parabolic dish system for sustainable development.

scholarly journals The Use of Thermoelectric Generators With Home Stoves

2020 ◽  
Vol 173 ◽  
pp. 03005
Author(s):  
Maciej Żołądek ◽  
Karolina Papis ◽  
Jakub Kuś ◽  
Michał Zając ◽  
Rafał Figaj ◽  
...  
Keyword(s):  
Energy Demand ◽  
Fossil Fuels ◽  
Waste Heat ◽  
Electrical Energy ◽  
Direct Conversion ◽  
Simultaneous Increase ◽  
Energy Yield ◽  
Thermoelectric Generators ◽  
The Face ◽  
Current Characteristics

One of waste heat recovery technologies are thermoelectric generators, which allow direct conversion heat to energy. In the face of shrinking fossil fuels resources, simultaneous increase of global energy demand and level of pollution it is becoming more and more important to introduce technologies enabling fullest utilization of fuels. In the paper, tests of water and air cooled thermoelectric generators mounted on the stove were described. Problems that occurred while operation of the system and its solutions were presented. Analysis of factors influencing incineration process, therefore affecting produced electrical energy was carried out. Power and voltage-current characteristics of generators were drawn up. A possible electrical energy yield in conditions described in this paper was also estimated.

scholarly journals Management of battery charging and discharging in a photovoltaic system with variable power demand using artificial neural networks

2021 ◽  
Vol 297 ◽  
pp. 01037
Author(s):  
Jarmouni Ezzitouni ◽  
Mouhsen Ahmed ◽  
Lamhammedi Mohammed ◽  
Krari Ayoub
Keyword(s):  
Neural Networks ◽  
Artificial Neural Networks ◽  
Energy Demand ◽  
Fossil Fuels ◽  
Management Strategies ◽  
Photovoltaic System ◽  
Proposed Model ◽  
Artificial Neural ◽  
Control And Management ◽  
Solar Batteries

The energy is the basis of all human activities. Nowadays, much of the world’s energy demand is taken from fossil fuels. However, fossil fuel reserves are limited. The use of solar photovoltaic energy is therefore a necessity for the future. With the rapid increase of photovoltaic or hybrid systems, solar batteries provide an unforgettable energy storage tool in this type of systems in order to ensure an energy supply to consumers. Due to the sensitivity of solar batteries and the random operation of photovoltaic systems that depend on solar irradiance, control and management strategies are quite important. In this paper, we present a technique based on artificial neural networks to control the charging and discharging of solar batteries in order to protect the batteries from overcharging and deep discharging. In addition, ensuring continuous supply to consumers. The proposed model is developed and simulated in Matlab/Simulink.

1. Energy systems

2019 ◽  
pp. 5-18
Author(s):  
Nick Jenkins
Keyword(s):  
Energy Demand ◽  
Fossil Fuels ◽  
Energy Use ◽  
Energy Systems ◽  
Modern Society ◽  
Electrical Energy ◽  
Distribution Networks ◽  
Primary Energy ◽  
Environmental Consequences ◽  
The Difference

‘Energy systems’ explains the difference between energy and power and between energy and electrical energy. It then outlines the sources of primary energy, describing the environmental consequences of burning fossil fuels, and attempts at limiting energy use. It also considers the difficulties of storing electricity in large quantities and cost-effectively. It is impossible to conceive of a modern society without reliable and effective systems to provide energy when and where it is needed. Modern energy systems continue to evolve in response to energy demand and to changing sources of supply. Increasingly environmental considerations and costs determine which energy sources are used and how the energy transmission and distribution networks are constructed and operated.

Systematic review elucidating the generations and classifications of solar cells contributing towards environmental sustainability integration

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Khuram Shahzad Ahmad ◽  
Syeda Naima Naqvi ◽  
Shaan Bibi Jaffri
Keyword(s):  
Solar Cells ◽  
Solar Energy ◽  
Environmental Sustainability ◽  
Energy Demand ◽  
Scientific Community ◽  
Fossil Fuels ◽  
Electrical Energy ◽  
Efficient Conversion ◽  
Energy Current ◽  
Current Review

AbstractRapid escalation in energy demand and pressure over finite fossil fuels reserves with augmenting urbanization and industrialization points towards adoption of cleaner, sustainable and eco-friendly sources to be employed. Solar cell devices known for efficient conversion of solar energy to electrical energy have been attracting scientific community due to their remarkable conformity with the principles of green chemistry. The future candidacy of solar cells is expressed by their efficient conversion. Such a great potential associated with solar cells has instigated research since many decades leading to the emergence of a wide myriad of solar cells devices with novel constituent materials, designs and architecture reflected in form of three generations of the solar cells. Considering the cleaner and sustainability aspects of the solar energy, current review has systematically compiled different generations of solar cells signifying the advancements in terms of architecture and compositional parameters. In addition to the chronological progression of solar cells, current review has also focused on the innovations done in improvement of solar cells. In terms of efficiency and stability, photovoltaic community is eager to achieve augmented efficiencies and stabilities for using solar cells as an alternative to the conventional fossil fuels.

Biodiesel production from non-edible oils: A review

2020 ◽  
pp. 149-159
Author(s):  
Jatinder Kataria ◽  
Saroj Kumar Mohapatra ◽  
Amit Pal
Keyword(s):  
Environmental Impact ◽  
Energy Demand ◽  
Fossil Fuels ◽  
World Wide ◽  
Edible Oils ◽  
Control Measure ◽  
Biodiesel Production ◽  
Pollution Level ◽  
Animal Fats ◽  
The World

The limited fossil reserves, spiraling price and environmental impact due to usage of fossil fuels leads the world wide researchers’ interest in using alternative renewable and environment safe fuels that can meet the energy demand. Biodiesel is an emerging renewable alternative fuel to conventional diesel which can be produced from both edible and non-edible oils, animal fats, algae etc. The society is in dire need of using renewable fuels as an immediate control measure to mitigate the pollution level. In this work an attempt is made to review the requisite and access the capability of the biodiesel in improving the environmental degradation.

Sign in / Sign up

Export Citation Format

Share Document