scholarly journals Socio-Economic Factors Influencing Use and Adoption of Family-Sized Bio-digesters as Renewable Energy Sources in Ngoma District, Rwanda

2018 ◽  
Author(s):  
Danson Musinguzi ◽  
Emmanuel Kayinamura ◽  
Anne Tumushabe ◽  
Daniel Omuna ◽  
Emmaniel Innocent Eniru ◽  
...  
Keyword(s):  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Economic Factors ◽  
Governmental Organizations ◽  
Factors Influencing ◽  
Non Governmental Organizations ◽  
The People ◽  
Biogas Energy ◽  
Socio Economic Factors

1) Background: The environmental, financial and social questions in Africa remain unanswered up-to-date, with the rapid increase in human population and the demand for fuel energy, trigger the need to generate data on the socio-economic factors influencing the knowledge of use and adoption of family-sized bio-digesters. The increasing prices of fossil fuels and taxes on energy sources require finding the alternative, clean and economical sources of energy for households in developing countries. Moreover, in Africa, the consumption of firewood and charcoal continues to increase, with wood fuel consumption predicted to increase by 2030 to over 140%. The study objectives were 1) to determine the socio-economic characteristics of the people in Ngoma district, 2) to assess socio-economic factors influencing people to use and adopt family-sized bio-digesters. 2) Methods: Quantitative data collected with semi-structured questionnaires and interviews were analyzed using descriptive statistics. 3) Results: The results show that many households had not realized the potential benefits of biogas use and adoption in Rwanda. The study further found that a number of factors such as household income levels, socio-economic, technological, and institutional influence the household use and adoption of biogas energy. 4) Conclusions: At the end, the study suggests the need for all players such as Government, Non-Governmental Organizations (NGO's) and local communities to work together to provide incentives and favorable environment that can attract individual households to invest in biogas energy production and utilization.

scholarly journals Performance Characteristics of Various Converters for Non Linear System

2019 ◽  
Vol 9 (1S) ◽  
pp. 157-161
Keyword(s):  
Renewable Energy ◽  
Renewable Energy Sources ◽  
Vital Role ◽  
Energy Sources ◽  
Economic Factors ◽  
Power Extraction ◽  
Pv Panel ◽  
Different Types ◽  
Non Linear System ◽  
Socio Economic Factors

Power Extraction from renewable energy sources plays a vital role in this century due to the depletion of non renewable energy sources, socio economic factors and expensive cost .Few examples of renewable energy sources are Solar, wind, Fuel cell and hydraulic forces. Compared to other resources solar energy leads to the best option because of the availability and less design complexity. Different converters are available for extracting the maximum power from the panel. In this paper solar panel voltage is extracted with the use of MPPT algorithm along with Boost, Buck and SEPIC converters and their performance is analyzed. Based on the performance analysis boost converter with PV panel is implemented along with MPPT algorithm. Using MATLAB Simulink 2018 environment PV panel and different types of converter are modeled and its characteristics are evaluated.

scholarly journals People With Vulnerabilities To Cyclone In The Coastal Area Of Bangladesh: An Overview

2019 ◽  
Vol 1 (3) ◽  
pp. 80-91
Author(s):  
Abdul Karim Gazi
Keyword(s):  
Content Analysis ◽  
Coastal Area ◽  
Secondary Data ◽  
Cultural Factors ◽  
Economic Factors ◽  
Historical Method ◽  
Governmental Organizations ◽  
Non Governmental Organizations ◽  
Vulnerable People ◽  
Socio Economic Factors

Purpose of the study: Cyclone is a common disaster in Bangladesh because of affecting the coastal area almost every year. The intention of this paper is to explore the vulnerability to cyclone and the possible way of mitigating vulnerability in the coastal area of Bangladesh. Methodology: This study is a content analysis of qualitative research and has been conducted on the basis secondary data, collected through content analysis and historical method of data collection on the basis of title and objectives. Main findings: Only socio-economic factors aren’t responsible for making and rising vulnerability in coastal areas, rather physical, environmental, geographical setting and cultural factors are responsible. Besides, after cyclone there are various problems to take proper steps, the author has discussed a process of emergency action after cyclone and argued that the collaboration between government and NGOs can mitigate vulnerability. Applications of the study: This study is useful for them who want to know about vulnerability to cyclone in the coastal area of Bangladesh and the Governmental and Non-governmental organizations. Originality of the study: The author has concluded that this study will help to take step to reduce vulnerability to cyclone and to whom who would like to help to vulnerable people of the coastal area of Bangladesh and study on vulnerability.

scholarly journals PLTS Hybrid Modeling with Vertical Wind Power

2021 ◽  
Vol 21 (2) ◽  
pp. 117-122
Author(s):  
I Ketut Parti ◽  
◽  
I Made Sumertayasa ◽  
Ni Wayan Rasmini ◽  
◽  
...  
Keyword(s):  
Power Generation ◽  
Wind Power ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Vertical Wind ◽  
Energy Crisis ◽  
Energy Sources ◽  
Generation System ◽  
The People ◽  
Power Generation System

he current energy crisis has once again taught us, the people of Indonesia, that serious and systematic efforts to develop and implement renewable energy sources to reduce dependence on fuel must be carried out immediately. The use of renewable and environmentally friendly energy sources, especially those that can reduce the various adverse effects caused by the use of fossil fuels. The urge to leave petroleum as a source of national energy supply is currently being rolled out by various parties, including themselves. These steps are needed to get Indonesia out of the sustainable energy crisis. To optimize the need to combine two generators, namely PLTS with PLTB. The purpose of this study was to determine the combination of a power generation system produced by a vertical wind power plant with solar power with a hybrid system which is expected to optimize the power generation system between the two plants.

scholarly journals Recent Advancements in Technical Design and Thermal Performance Enhancement of Solar Greenhouse Dryers

2021 ◽  
Vol 13 (13) ◽  
pp. 7025
Author(s):  
Shiva Gorjian ◽  
Behnam Hosseingholilou ◽  
Laxmikant D. Jathar ◽  
Haniyeh Samadi ◽  
Samiran Samanta ◽  
...  
Keyword(s):  
Thermal Performance ◽  
Fossil Fuels ◽  
Performance Enhancement ◽  
Renewable Energy Sources ◽  
Ghg Emissions ◽  
Heat Pumps ◽  
Energy Sources ◽  
Key Factor ◽  
Hybrid Configuration ◽  
Vegetables And Fruits

The food industry is responsible for supplying the food demand of the ever-increasing global population. The food chain is one of the major contributors to greenhouse gas (GHG) emissions, and global food waste accounts for one-third of produced food. A solution to this problem is preserving crops, vegetables, and fruits with the help of an ancient method of sun drying. For drying agricultural and marine products, several types of dryers are also being developed. However, they require a large amount of energy supplied conventionally from pollutant energy sources. The environmental concerns and depletion risks of fossil fuels persuade researchers and developers to seek alternative solutions. To perform drying applications, sustainable solar power may be effective because it is highly accessible in most regions of the world. Greenhouse dryers (GHDs) are simple facilities that can provide large capacities for drying agricultural products. This study reviews the integration of GHDs with different solar technologies, including photovoltaic (PV), photovoltaic-thermal (PVT), and solar thermal collectors. Additionally, the integration of solar-assisted greenhouse dryers (SGHDs) with heat pumps and thermal energy storage (TES) units, as well as their hybrid configuration considering integration with other renewable energy sources, is investigated to improve their thermal performance. In this regard, this review presents and discusses the most recent advances in this field. Additionally, the economic analysis of SGHDs is presented as a key factor to make these sustainable facilities commercially available.

Nigeria: Advancing the Cause of Renewable Energy in Nigeria’s Power Sector Through its Legal Framework

2021 ◽  
Vol 50 (4-5) ◽  
pp. 433-444
Author(s):  
Olusola Joshua Olujobi ◽  
Temilola Olusola-Olujobi
Keyword(s):  
Renewable Energy ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Legal Framework ◽  
Comparative Approach ◽  
Energy Sources ◽  
Power Sector ◽  
Alternative Source ◽  
Regulatory Policies ◽  
Oil Sector

Fossil fuels have been the mainstream of energy supply and a major source of foreign exchange earnings for the Federal Government of Nigeria, in spite of being an unrenewable and unsustainable source of energy. Nigeria is yet to tap into the full benefits after privatising its power sector, including the new global evolution in the energy sector and the resulting increasing demand for renewable energy sources, which some consider to be cheaper and more environmentally friendly than fossil fuels and their allied products. Energy security is a challenge to socio-economic development in Nigeria, due to the country’s over-dependency on fossil fuels. In terms of their impact and the potentials to preserve energy sources for longevity and sustainability, however, fossil fuels will come to be seen as an out-dated alternative in the power sector as the energy industry evolves. The implications for Nigeria’s oil sector will not be limited to dwindling crude oil prices. The concerns include poor energy utilisation in Nigeria and the need to promote energy efficiency and sustainability. They have led to the formulation of new energy policies around the world to serve as a vehicle for translating solutions into reality. This study has adopted a library-based legal research method with a comparative approach. The study reveals that it is the lack of a coherent legal framework with incentives for using renewable energy that is largely seen as the key issue causing slow uptake of renewable energy as an alternative source of energy in Nigeria. As well as the need for a coherent legal framework on energy and incentives for using renewable energy sources, the study advocates stringent enforcement of existing energy regulatory policies.

scholarly journals Impact of Crystallography on Design of Cathode Materials for Li-ion Batteries

2014 ◽  
Vol 70 (a1) ◽  
pp. C20-C20
Author(s):  
Evgeny Antipov ◽  
Nellie Khasanova
Keyword(s):  
Transition Metal ◽  
Cathode Materials ◽  
Fossil Fuels ◽  
Negative Impact ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
Li Ion Batteries ◽  
Practical Applications ◽  
Storage Devices ◽  
Li Ion

Ninety percent of the energy produced today come from fossil fuels, making dramatically negative impact on our future due to rapid consumption of these energy sources, ecological damage and climate change. This justifies development of the renewable energy sources and concurrently efficient large storage devices capable to replace fossil fuels. Li-ion batteries have originally been developed for portable electronic devices, but nowadays new application niches are envisaged in electric vehicles and stationary energy storages. However, to satisfy the needs of these rapidly growing applications, Li-ion batteries require further significant improvement of their properties: capacity and power, cyclability, safety and cost. Cathode is the key part of the Li-ion batteries largely determining their performance. Severe requirements are imposed on a cathode material, which should provide fast reversible intercalation of Li-ions at redox potential close to the upper boundary of electrolyte stability window, possess relatively low molecular weight and exhibit small volume variation upon changing Li-concentration. First generation of the cathode materials for the Li-ion batteries based on the spinel (LiM2O4, M – transition metal) or rock-salt derivatives (LiMO2) has already been widely commercialised. However, the potential to further improve the performance of these materials is almost exhausted. The compounds, containing lithium and transition metal cations together with different polyanions (XmOn)p- (X=B, P, S, Si), are now considered as the most promising cathode materials for the next generation of the Li-ion batteries. Covalently-bonded structural frameworks in these compounds offer long-term structural stability, which is essential for good cyclability and safety. Further advantages are expected from combining different anions (such as (XO4)p- and F- ) in the anion sublattice, with the hope to enhance the specific energy and power of these materials. Various fluoride-phosphates and fluoride-sulphates have been recently discovered, and some of them exhibit attractive electrochemical performance. An overview of the research on the cathode materials for the Li-ion batteries will be presented with special emphasis on crystallography as a guide towards improved properties important for practical applications.

scholarly journals Advances in Underground Energy Storage for Renewable Energy Sources

2021 ◽  
Vol 11 (11) ◽  
pp. 5142
Author(s):  
Javier Menéndez ◽  
Jorge Loredo
Keyword(s):  
European Union ◽  
Renewable Energy ◽  
Energy Storage ◽  
Natural Gas ◽  
Greenhouse Gas ◽  
Fossil Fuels ◽  
Renewable Energy Sources ◽  
Energy Sources ◽  
The European Union ◽  
Coal Fuel

The use of fossil fuels (coal, fuel, and natural gas) to generate electricity has been reduced in the European Union during the last few years, involving a significant decrease in greenhouse gas emissions [...]

Studi Analisa Potensi Sumber Air sebagai Pembangkit Listrik Tenaga Mikrohidro (PLTMH) di Karungan Kelurahan Mamburungan Timur Kota Tarakan

2021 ◽  
Vol 4 (2) ◽  
pp. 22-26
Author(s):  
Hadi Santoso ◽  
Eris Santoso ◽  
Ruslim Ruslim
Keyword(s):  
Energy Source ◽  
Alternative Energy ◽  
Renewable Energy Sources ◽  
Water Discharge ◽  
Electrical Energy ◽  
Water Source ◽  
Energy Sources ◽  
Hydro Power ◽  
The People ◽  
City Water

The supply of electrical energy in Tarakan City, North Kalimantan, still relies on diesel power which uses a limited number of petroleum energy sources. There is a need for research related to renewable energy sources that have the potential to become alternative energy for the people of Tarakan City. Water is an energy source that has great potential to generate electricity. The energy source that should be taken into account is micro-hydro which can be used as a Micro-hydro Power Plant (PLTMH). A survey of micro-hydro sources in Tarakan City, precisely in the Karungan area, East Mamburungan Village, has been carried out with the direct measurement method of water discharge and the relationship with the power generated. The result shows the water source has a discharge 0.00034 m3/ s, the water velocity of 0.035 m/s and generates power only up to 1.1 watts. Based on the power obtained, the water source in this place cannot be used as a source of micro-hydro energy, but has the potential as a source of pico-hydro energy.

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