THE HISTORY OF THE COVID 19, AND ITS IMPACT ON THE CRUDE OIL PRICE CHANGES (IN CONTEXT OF INDIA`S COVID 19 CONTEXT)

Oil is the most essential fuel for the world presently and the world, India is the third largest oil importer in the world, with 9.7 percent of the world oil imports, after China and USA, India imports around 80 percent of its oil needs and aims to bring down to 67 percent by 2022, by replacing it by local exploration, renewable energy and indigenous ethanol fuel, but in India there is lack of demand for crude oil and oil products due to Covid-19 epidemic, which made Indian government to imply restrictions, to lockdown of various firms, industries, public and private sector institutions, as health emergency, according to the report of IEA ( International Energy Agency) India’s 40 days lockdown has led to decrease in 30 percent fall in countries demand for energy. Price inflexibility is concern for Indian oil producers, as it is the biggest shock since the Second World War, The global economy is expected to enter recessionary zone in 2020, as countries have shut down there normal business activities, to fight the pandemic led to imbalances in demand and supply of oil prices in the Indian market, Indian oil companies are waiting for the tax reductions and packages by the government, in the short term imbalance in oil demand and supply situation. The purpose of the research paper is that, Indian government has a great task to fight against pandemic as a health emergency and oil prices fluctuations in the year 2020. KEY WORDS: History of the pandemic covid social growth and crude oil prices (PETROLEUM),

OC6 Phase Ia: CFD Simulations of the Free-Decay Motion of the DeepCwind Semisubmersible

Currently, the design of floating offshore wind systems is primarily based on mid-fidelity models with empirical drag forces. The tuning of the model coefficients requires data from either experiments or high-fidelity simulations. As part of the OC6 (Offshore Code Comparison Collaboration, Continued, with Correlation, and unCertainty (OC6) is a project under the International Energy Agency Wind Task 30 framework) project, the present investigation explores the latter option. A verification and validation study of computational fluid dynamics (CFD) models of the DeepCwind semisubmersible undergoing free-decay motion is performed. Several institutions provided CFD results for validation against the OC6 experimental campaign. The objective is to evaluate whether the CFD setups of the participants can provide valid estimates of the hydrodynamic damping coefficients needed by mid-fidelity models. The linear and quadratic damping coefficients and the equivalent damping ratio are chosen as metrics for validation. Large numerical uncertainties are estimated for the linear and quadratic damping coefficients; however, the equivalent damping ratios are more consistently predicted with lower uncertainty. Some difference is observed between the experimental and CFD surge-decay motion, which is caused by mechanical damping not considered in the simulations that likely originated from the mooring setup, including a Coulomb-friction-type force. Overall, the simulations and the experiment show reasonable agreement, thus demonstrating the feasibility of using CFD simulations to tune mid-fidelity models.

Reliability of construction of nuclear power facilities in the global energy market

Purpose: development of conceptual provisions, methodical approaches and practical recommendations about modeling and integrated management at a pre-investment stage of nuclear power construction facilities in the international energy construction market. Materials and methods: a set of the interrelated methodological approaches based on the theory of complex systems life cycle, methods of abstraction, comparison, analysis, synthesis, opposition, modeling, forecasting, expert assessments, risk theory and others. The research is conducted with the use of open data resources of the International Energy Agency (IEA), International Atomic Energy Agency (IAEA), World Nuclear Association (WNA), Nuclear Energy Agency under OECD and ROSATOM State Corporation open statistical data. Results: Features of the modern global world market of nuclear power construction, as well as the role and place of Russia in it, are considered. A comprehensive review of the literature on the studied problems is accomplished. A methodology for modeling the organizational and economic reliability (OER) of complex systems is suggested. Modeling of the structural components of the life cycle (hereinafter LCi-j) of an investment project for the NPP construction on the international market in the conditions of high competition is proposed.

Biogas Potential Assessment of the Composite Mixture from Duckweed Biomass

The article presents the research results of anaerobic digestion processes in bioreactors of composite mixtures based on initial and residual biomass of Lemna minor duckweed and additives: inoculum (manure), food waste, and spent sorbents to determine biogas potential (biogas volume, methane content). Duckweed Lemna minor, which is widespread in freshwater reservoirs, is one of the promising aquatic vegetation species for energy use. Residual biomass is obtained by chemically extracting valuable components from the primary product. The purpose of the research was to evaluate the possibility of the energy potential of residual biomass of Lemna minor to reduce the consumption of fossil fuels and reduce greenhouse gas emissions. This is in line with the International Energy Agency (IEA) scenarios for the reduction of environmental impact. The obtained results confirm the feasibility of using this type of waste for biogas/biomethane production. The recommendations on the optimal composition of the mixture based on the residual biomass of Lemna minor, which will allow for an increase in biogas production, are given. The obtained data can be used in the design of bioreactors.

Energy Performance Simulation in Buildings Composed of Natural and Organic Materials Within the Moroccan Rural Areas of the Atlas Mountains

The construction field uses up over one-third of the global energy consumption and contribute to 40% of CO2 emissions according to the International Energy Agency (IEA) and the 2020 annual reporter of United Nation, Goal 11 (Make cities inclusive, safe, resilient and sustainable) which discusses sustainable, safe and efficient buildings. Therefore, Morocco has a commitment to this program by publishing the law 47-09 of energy efficiency. This work aims to study the energy efficiency of two types of building, a conventional and a natural building. Conventional building is constructed using concrete, while the natural one uses sand clay and straws. As for the technique of making the natural building, it perpetually follows the same approach accustomed in rural zones of Atlas Mountains in Morocco. In this research we also simulate, temperature and humidity variation inside these buildings using TRNSYS software. Sketch Up software was employed to design these houses. The weather database is used for a typical meteorological year (TMY). In the case of natural building, many building configurations were simulated: roof insulation, floor insulation, different types of glazing and sun protection. What's more, the thermal comfort is revealed to be more conspicuous in the case of natural building.

Značajke tržišta automobila s posebnim osvrtom na tržište električnih vozila

Od izuma automobila automobilska industrija generator je brojnih tehnoloških unaprjeđenja koja se, uslijed nužnog praćenja smjernica za zaštitu okoliša i ograničenih energetskih resursa, sve više okreću električnoj energiji. U tom smislu električni automobili predstavljaju važan segment promatranog tržišta, a s vremenom se očekuje i potpuno usmjeravanje proizvodnih aktera prema ovoj vrsti vozila. Slijedom navedenog, u radu se istražuju značajke automobilskog tržišta s posebnim naglaskom na tržište električnih automobila. Rezultati istraživanja za razdoblje od 2010. do 2020. temeljeni na podacima sa stranica Companies market cap te Statista pokazuju da vrijednost cijene dionica poduzeća na promatranom tržištu nije u svakoj promatranoj godini povezana s brojem prodanih automobila, što je analizirano Pearsonovim koeficijentom korelacije. No, promatranjem Herfindahl-Hirschmanovog indeksa te koncentracijskog omjera (CR4) izračunatih na temelju podataka sa stranice Knoema evidentno je da tržišna utakmica prisiljava najznačajnije sudionike na tržištu automobila s unutarnjim izgaranjem na brzo restrukturiranje i fokusiranje na električne automobile kako ne bi izgubili postojeći tržišni udio. Naposljetku, regresijskom analizom provedenom na podacima prikupljenim sa stanice International Energy Agency dokazuje se da je cijena baterije po kilovat satu jedan od važnih čimbenika u razvoju industrije električnih automobila, dok deskriptivna analiza pruža detaljan uvid u dodatne varijable koje determiniraju razinu prodaje električnih automobila.

GLOBAL PROSPECTS FOR BIOENERGY SECTOR

The aim of the work is to analyze some global scenarios for bioenergy development, including the development in certain sectors, as well as to identify priority areas for bioenergy in Ukraine. Today, bioenergy is a world leader in renewable energy, playing a significant role in replacing fossil fuels and reducing greenhouse gas emissions. Over the last twenty years, the global primary energy supply from biomass and biofuels has tripled and reached more than 10% of the total primary energy supply, accounting for almost 70% of the contribution of all renewable sources. The International Renewable Energy Agency predicts that by 2050, renewable energy sources could account for 60% or more of the total final energy consumption of many countries. The share of biomass in the global final consumption of renewable energy might be almost half in 2030 and 40% in 2050. According to the International Energy Agency, starting from 2030, one can expect to use only modern bioenergy technologies with increasing consumption of modern biomass up to about 100 EJ in 2050. For Ukraine, the priority areas seem to be combined heat and power production from biomass, as well as production of biomethane for the direct replacement of natural gas and carbon-neutral balancing of the energy system with a high share of renewable sources. For the thermal energy sector, the introduction of modern boilers and CHP plants running mainly on agricultural biomass is recommended. For the transport sector, prospects are the production of first and second generation liquid biofuels, as well as biomethane from biomass obtained in compliance with sustainability criteria.

PECULIARITIES OF DETERMINATION OF ECONOMIC INDICATORS OF EXECUTIBILITY OF IMPLEMENTATION OF MEASURES TO INCREASE ENERGY EFFICIENCY

The work is devoted to the analysis of the peculiarities of determining the economic indicators of the feasibility of implementing measures to improve energy efficiency. In contrast to energy saving, which aims to reduce the consumption of energy resources, energy efficiency is a matter of appropriate energy consumption. That is, the use of less energy for the same level of supply of buildings or industries. The topic is relevant, because now energy prices are rising every year. At the same time, the International Energy Agency estimates an increase in total resource needs by 25% by 2040. To achieve this goal, standard measures aimed at improving the energy efficiency of buildings, the effects of the implementation of these measures, a number of economic indicators, including PP, ARR, NPV, PI, BCR, SIR, MARR, IRR and DPP, were analyzed, evaluated and grouped. The focus was on the dynamic group of indicators due to the fact that their calculation involves the use of a discounting procedure. The general scheme of all dynamic indicators is the same and is based on forecasting costs and revenues for the planning period. The indicators of this group take into account changes in the value of money over time, which is neglected by the indicators of the static group. The most popular indicators are the calculation of net present value (NPV) and the definition of profitability index (PI). This work can be used to solve the problem of low energy efficiency and insufficient funding for the modernization of the building

The Indian Republic in the global energy markets

Energy is an integral part of the economic security of any state, and it is more complex, the lower the degree of provision with its mineral resources and the higher the number of the population living in the country. Being the undisputed world leaders in terms of population (1.4 billion people and 1.3 billion people), China and India are concerned about ensuring the energy security of their national economies. According to the latest forecasts formed by the International Energy Agency, by 2040, these two countries will become world leaders in terms of imports of mineral products (in this case: crude oil and natural gas). China is the world leader in exporting goods; India is implementing an economic and industrial policy to turn the country into a world manufacturing hub. In this regard, providing countries with energy resources is one of the most critical tasks. At the same time, a significant problem is a dependence on regular supplies of raw materials and world prices for energy carriers. Respectively, countries should pursue a policy of diversification of suppliers of mineral products. The subject of this study is the Republic of India and its position in the world energy markets; issues of energy security and energy policy are also highlighted.

Tools for practical implementation of climate policy in transport: Econometric analysis of global experience

Subject. The article addresses the standards for greenhouse gas emissions that are currently considered as an effective tool for stimulating the development of alternative transport technologies. However, quantitative evaluation of their effectiveness is not available, which is partially explained by the lack of statistical information from different countries. Objectives. The purpose is to build econometric models of the influence of these standards on the electric car market development. Methods. The annual reports of the International Energy Agency on the development of the electric car market and the data of the Global EV Data Explorer statistics center serve as the information base of the study. We analyzed time series for indicators of sales of electric cars in different countries and built mixed models, considering the auto-regression component, which helps describe the internal dynamics of the electric car market. Results. The obtained regression coefficients in models for various countries can be used as interval evaluations for forecasting the growth of electric car sales in Russia, given the necessary conditions for developing a charging infrastructure and creating a system of incentives to match the cost of electric cars to that of traditional vehicles. Conclusions. These interval evaluations may be useful for further decisions on the development of charging infrastructure, planning for resource use for electricity generation, calculating optimal subsidy or tax relief to support electric cars, evaluating the economic consequences of introducing the new standards on CO2 emissions, etc.