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Author(s):  
Oleksandr Voinov ◽  
Yuriy Elkin

The mankind created the global production that has an increasingly harmful effect on the natural environment. The present-day condition of natural environment causes much concern. A global environmental problem has inevitably emerged and now it requires a decrease in the intensity of the harmful action of available productive facilities. The purpose of the research done was to substantiate and find a potential opportunity for the use of a new approach to an increase in the level of ecological compatibility due to a partial renewal of the worn-out equipment. A substantial portion of the domestic energy equipment has a low level of the process-related functioning efficiency (including ecological efficiency). A global practice shows that the problems of the improvement of technological parameters can be solved in a different way to provide failure –free functioning of power facilities. The analysis of the circumstances existing nowadays in the field of the interaction of domestic power engineering and natural environment gives us an opportunity to adhere to the opinion that the use of the method of partial renewal is objectively affordable and it is a highly efficient tool for the reduction of the degree of harmful action on the part of power equipment. The purpose of this research paper was to show technological opportunities of the method of a partial renewal of worn-out engineering facilities (first of all power equipment and especially boiler plants) as an affordable tool for a decrease of the degree of their harmful action on the environment. Among the branches of the domestic industry, the power engineering branch needs badly a partial renewal and in the first turn these are boiler plants. This type of renewal is of vital importance for Ukraine that possesses a huge fleet of completely worn-out boiler plants. It is advisable to perform an integrated partial renewal. The partial renewal can involve all or individual parts of the entire chain of process elements. A successful fulfillment of the program of partial renewal is defined by a high quality control of the system of scientific and organizational-&-engineering problems relating to the renewal arrangement and realization. An issue relating to an index of the estimation of the extent of renewal of engineering facilities is of great importance. The capital inputs into the partial renewal are always justified for all intents and purposes. As for the conception of the renewal of the worn-out equipment the partial renewal can become an important launching low-cost step that will simplify the expected realization of the program of complete renewal.


2021 ◽  
Vol 56 (4) ◽  
pp. 41-71
Author(s):  
Lucie Tungul

This paper focuses on framing as a social movement’s transnational strategy. Applying the cultural approach to framing analysis, it investigates how the Gülen movement, as a social group with restricted access to national gatekeepers, uses discourse to internationalise a domestic power struggle with a powerful opponent. Moving the struggle to the international arena presents a discursive opportunity that determines which ideas become visible and legitimate both internationally and nationally. The importance of such internationalization increases in times of conflict and the media play a vital role in this process. The paper argues that the editors of the pro-Gülen movement foreign online platforms established after the movement was forced into exile following the failed 2016 coup, use strategic framing to tailor their frames for the host context and culture. That increases the resonance of their frames and the potential of the discursive opportunity. The article confirms the previous findings that media are a crucial resource for transnational social movements because policymakers are sensitive to public opinion, which is shaped by media frames.


2021 ◽  
Vol 2078 (1) ◽  
pp. 012077
Author(s):  
Dongwu ◽  
Zhangtao ◽  
Chenxiaojin ◽  
Zhuhailong ◽  
Pengdili

Abstract With the continuous construction and development of domestic power grids, the state has put forward many effective strategies to achieve the effectiveness and durability of energy supply, in order to ensure the stable operation of the power grid and the construction of smart grids. One of the most important components of the smart grid is various communication technologies. 5G network slicing is a typical application of the smart grid, because the wide-area distributed grid has greater requirements for low latency, high reliability and security. And 5G network slicing has the ability to meet its requirements. This paper analyzes the principle of 5G network slicing, analyzes the end-to-end isolation scheme of network slicing and the current smart grid slicing business model and existing problems, and proposes an effective solution for building a smart 5G slicing network.


2021 ◽  
Vol 2089 (1) ◽  
pp. 012063
Author(s):  
T. Kiran Kumar ◽  
K. Niveditha

Abstract Water is a valuable natural resource, fresh water is vital for health and to the economy, and reliable access to it is becoming increasingly important as the India’s population rises. Yet its availability is limited, per capita accessibility of useable water is depleting, but with increasing living standard of people, all around fast industrial development and expansion, necessity of fresh water is raising high continuously. Water audit is a successful tool for minimizing losses, working on different utilizations and in this way empowering water conservation in irrigation, domestic, power and industrial as well. Water audit controls the measure of water lost from a distribution system because of spillage and different reasons like burglary, unapproved withdrawals from the organizations and the cost of such misfortunes to the utility. Water budget is a bookkeeping of all the water that streams into and out of an undertaking region of project area. Water budget gives the financial aspects on the distribution of quantity of water in Rayalaseema region. The study area this paper to calculate the water budget in the study area of 51 Mandal of Rayalaseema region and based on the water quantity analysis to prepare water, soil conservation structures in study area, for effective water management


Author(s):  
Nirjhar Basu ◽  
Divakar B Gupta ◽  
Pandharinath R Jundhare ◽  
Tapas Kumar Dey ◽  
KVSN Murthy ◽  
...  

2021 ◽  
Vol 7 (4) ◽  
pp. 289-294
Author(s):  
Naumana Kiran

This paper focuses on stratification and role of the elite Muslim women in the State of Awadh during the second-half of the eighteenth, and first-half of nineteenth century India. It evaluates the categorization of women associated with the court and the division of political and domestic power among them. It also seeks their economic resources and their contribution in fields of art and architecture. The study finds that the first category of royal women of Awadh, including queen mothers and chief wives, enjoyed a powerful position in the state-matters unlike many other states of the time in India. Besides a high cadre of royal ladies, three more cadres of royal women existed in Awadh’s court with multiple ratios of power and economic resources. Elite women’s input and backing to various genres of art, language and culture resulted in growth of Urdu poetry, prose, drama and music in addition to religious architecture. The paper has been produced on the basis of primary and secondary sources. It includes the historical accounts, written by contemporary historians as well as cultural writings, produced by poets and literary figures of the time, besides letters and other writings of the rulers of Awadh. The writings produced by the British travelers, used in this paper, have further provided an insightful picture and a distinctive perspective.


2021 ◽  
Author(s):  
Kiran M. S. ◽  
Aakash Rajawat ◽  
Pritanshu Ranjan

Abstract The present study focuses on the design optimization of a 3D DAMWT (Diffuser Augmented Micro Wind Turbine geometry). DAMWTS are compact devices with a swept area of only few square meters and energy production capacity of a few kilowatts. Their small size makes it convenient for domestic power generation. The box-shaped shroud makes it possible to stack multiple DAMWTS in an array configuration, thereby multiplying power output. 3-D CFD simulations were carried out using the k-ω SST turbulence model to compare the performance characteristics of different turbine geometries with a square inlet. With a constant shroud diffuser angle of 12 degrees as obtained in a previous study, the shroud nozzle angle and curvature were varied to obtain the maximum velocity factor and minimize flow stagnation at the inlet. Best performance was obtained with a nozzle angle of approximately 27 degrees and semi-concave curvature, with a velocity factor of 1.2. Further increase in nozzle angle resulted in a decline in performance and an increased flow stagnation. To analyze the influence of stacking on flow characteristics, a computational study of two DAMWTS placed horizontally next to each other was carried out. An investigation of the effectiveness of Vortex Generators in inhibiting flow stagnation at the inlet was also conducted.


Norteamérica ◽  
2021 ◽  
Vol 16 (2) ◽  
Author(s):  
José Galindo

This paper analyses to what extent crony capitalism (CC) affects international business activities. By using the case of Canadian companies investing in mining in Mexico, I explain in which ways CC impacts foreign direct investment. My argument is that CC does not imply negative consequences for international business activities if other variables are controlled at the domestic level. CC could even generate positive incentives to foreign investors, deepening corruption problems internally. This type of corruption does not elevate the risk perceived by foreign investors if the process of doing business in Mexico is under the control of domestic power groups.


2021 ◽  
pp. 002234332110097
Author(s):  
Johannes Karreth ◽  
Jaroslav Tir ◽  
Douglas M Gibler

Why do some democracies revert to non-democratic forms of governance? We develop an explanation of democratic reversals that emphasizes the influence of states’ external border relations on domestic politics. Latent threats to a state’s territory encourage political centralization of authority in the executive to defend against danger to the homeland. Latent territorial threat also facilitates the construction and maintenance of large land armies to fight threatening neighbors. Combined, latent territorial threat increases leaders’ domestic power, weakens democratic institutions, encourages other conditions threatening democratic survival, and, ultimately, leads to democratic reversals. Synthesizing prior research on territorial conflict, we generate a quantitative, continuous measure of latent territorial threat against all democracies with contiguous neighbors from 1946 to 2016, using Bayesian estimation. Empirical tests accounting for measurement uncertainty and other common determinants of reversals as well as brief reviews of individual cases of reversal provide robust evidence that democracy failed at higher rates in countries facing high levels of threats to their territory from neighbors. Our study implies that a complete account of the development of democratic institutions should emphasize that domestic factors alone fall short of explaining why democracies fail.


2021 ◽  
Vol 11 (8) ◽  
pp. 3488
Author(s):  
Sangmoon Lee ◽  
Wooyoung Jung

In this study, a field survey was conducted on the fixed anchorages of the operation and power generation facilities installed in domestic power plants. A static/dynamic performance evaluation was conducted to present safety evaluation guidelines that meet the domestic seismic performance requirements. Seismic performance tests were performed on the post-installed set anchors M10 and M12, which are mainly used for anchorages in accordance with the US and European seismic performance standards. The dynamic shear test results showed that the M12 anchor met the seismic performance verification criterion, whereas the M10 anchor did not because its dynamic performance was reduced, owing to the cyclic loading. In the results of the dynamic pull-out test, M12 also met the seismic performance verification criterion, whereas M10 was safe only in a non-cracked state. In summary, the seismic performance of M12 in both cracks and non-cracks was satisfied, but, in the case of M10, the results were not satisfied in cracks. This was an experimental study; it will be necessary to conduct additional analytical research in the future to verify the reliability and parameters of the experiment.


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