scholarly journals Flight Simulator’s Energy Consumption Depending on the Conditions of the Air Operation

Energies ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 580
Author(s):  
Michał Gołębiewski ◽  
Marta Galant-Gołębiewska ◽  
Remigiusz Jasiński
Keyword(s):  
Energy Consumption ◽  
Natural Environment ◽  
Negative Impact ◽  
Weather Conditions ◽  
Civil Aviation ◽  
Flight Simulator ◽  
Motion Platform ◽  
Simulator Motion ◽  
The Individual ◽  
The Impact

Protection of the natural environment is a key activity driving development in the transport discipline today. The use of simulators to train civil aviation pilots provides an excellent opportunity to maintain the balance between efficiency and limit the negative impact of transport on the environment. Therefore, we decided to determine the impact of selected simulations of air operations on energy consumption. The aim of the research was to determine the energy consumption of the flight simulator depending on the type of flight operation and configuration used. We also decided to compare the obtained result with the energy consumption of an aircraft of a similar class, performing a similar aviation operation and other means of transport. In order to obtain the results, a research plan was proposed consisting of 12 scenarios differing in the simulated aircraft model, weather conditions and the use of the simulator motion platform. In each of the scenarios, energy consumption was measured, taking into account the individual components of the simulator. The research showed that the use of a flight simulator has a much smaller negative impact on the natural environment than flying in a traditional plane. Use of a motion platform indicated a change in energy consumption of approximately 40% (in general, flight simulator configuration can change energy consumption by up to 50%). The deterioration of weather conditions during the simulation caused an increase in energy consumption of 14% when motion was disabled and 18% when motion was enabled. Energy consumption in the initial stages of pilot training can be reduced by 97% by using flight simulators compared to aircraft training.

The nexus between financial development and energy consumption: Estimating the role of foreign direct investment, economic growth and urbanization

2021 ◽  
pp. 0958305X2110453
Author(s):  
Jaleel Ahmed ◽  
Shuja ur Rehman ◽  
Zaid Zuhaira ◽  
Shoaib Nisar
Keyword(s):  
Economic Growth ◽  
Foreign Direct Investment ◽  
Energy Consumption ◽  
Financial Development ◽  
Latin American ◽  
Direct Investment ◽  
Negative Impact ◽  
Positive Impact ◽  
Supply And Demand ◽  
The Impact

This study examines the impact of financial development on energy consumption for a wide array of countries. The estimators used for financial development are foreign direct investment, economic growth and urbanization. The study employed a panel data regression on 136 countries with time frame of years 1990 to 2019. The model in this study deploys system GMM technique to estimate the model. The results show that financial development has a significant negative impact on energy consumption overall. Foreign direct investment and urbanization has significant impact on energy consumption. Also, economic growth positive impact on energy consumption its mean that economic growth promotes energy consumption. When dividing further the sample into different groups of regions such as Asian, European, African, North/Latin American and Caribbean countries then mixed results related to the nexus between financial development and energy consumption with respect to economic growth, urbanization and foreign direct investment. The policymakers in these different groups of countries must balance the relationship between energy supply and demand to achieving the sustainable economic development.

scholarly journals THE PREVALENCE OF BODY DYSMORPHIC DISORDER WITH A TENDENCY TO ANOREXIA NERVOSA IN ADOLESCENTS

2021 ◽  
Vol 1 (1) ◽  
pp. 12-15
Author(s):  
Diona Wahyuni ◽  
Keyword(s):  
Anorexia Nervosa ◽  
Body Dysmorphic Disorder ◽  
Negative Impact ◽  
Eating Behaviour ◽  
Daily Functioning ◽  
Epidemiological Surveys ◽  
Body Image Disorders ◽  
Medical Emergencies ◽  
The Individual ◽  
The Impact

Background: Anorexia nervosa (AN) and body dysmorphic disorder (BDD) are severe body image disorders that severely interfere with the daily functioning of the individual. They are separate but overlapping nosologically entities. There is a study on the tendency of wrong eating behaviour in adolescents with specifications for anorexia nervosa in Jakarta 11.6% and there is also a study at High School in Jakarta 88.5% of adolescents experience wrong eating behaviour with the specifications of anorexia nervosa. And the two largest epidemiological surveys regarding BDD, there were 2.5% women and 2.2% men. With a fairly high number of these two events, this has the potential to have a negative impact on someone’s health. This study aims to discuss the impact of anorexia nervosa. Methods: The researcher used several literature and scientific journals, which was based on 15 journals and literature, discussing a tendency to anorexia nervosa with the incidence of Body Dysmorphic Disorder and its medical emergencies. Conclusion: There is a correlation of anorexia nervosa among teenager especially girl teenage

scholarly journals Efektywność produkcji FAME na podstawie wymagań normy ISO 14045:2012

Nafta-Gaz ◽  
2021 ◽  
Vol 77 (3) ◽  
pp. 208-214
Author(s):  
Michał Pajda ◽  
◽  
Wojciech Mazela ◽  
Keyword(s):  
Natural Environment ◽  
New Technologies ◽  
Negative Impact ◽  
New Technology ◽  
Methyl Esters ◽  
Production Costs ◽  
Raw Material ◽  
Energy Materials ◽  
The Impact ◽  
Selection Of

The aim of the work was to present the issue of eco-efficiency, based on the PN-EN ISO 14045:2012 standard in relation to the production of fatty acid methyl esters (FAME). The ecoefficiency analysis takes into account economic and environmental aspects in the improvement of products and processes / technologies. Eco-efficiency considers the product and technology throughout the life cycle, from the construction phase, through use to decommissioning. The impact on the natural environment is assessed on the basis of: consumption of energy, materials, dust and gas emissions, waste and sewage. Total costs include: production costs, raw material costs, costs during the use phase including maintenance, repair and operating costs, product disposal or recycling. The eco-efficiency analysis is helpful in making decisions regarding the selection of a new product or designing a new technology, and enables the selection of the variant that is the most economical and has the least possible impact on the natural environment. These issues are particularly important in the case of biofuels. The rapid growth of their production and the European Union’s policy, which aims to increase the share of energy from renewable sources, cause concerns of many experts regarding the threats related to the production of biofuels, both for the environment and food security. In particular, efforts are made to minimize the amount of waste and residues by implementing the idea of a circular economy. This approach promotes the development of new technologies that are more environmentally friendly. Due to the regulations set out in the RED and RED II Directives, there is a chance that the biofuels will have a less negative impact on the environment. This results from the obligation to certify compliance with the sustainability criteria, which is carried out by voluntary systems recognized by the European Commission, such as the KZR INiG System.

scholarly journals Assessment of the impact of selected factors forcing the driver’s energy consumption

2018 ◽  
Vol 19 (6) ◽  
pp. 53-56
Author(s):  
Piotr Bojar ◽  
Mariusz Mikulski
Keyword(s):  
Energy Consumption ◽  
Driver Behavior ◽  
Weather Conditions ◽  
Transmission System ◽  
Suspension System ◽  
Drive Unit ◽  
The Impact

The drivers' workplace has an impact on the safety of transport. Among the factors causing changes in driver behavior are the anthropechnical factors resulting from the actions of people in the vehicle and its surroundings, external ones resulting from the impact of weather conditions as well as the condition of the infrastructure and work resulting from the operation of the means of transport.One of such working factors is the noise which may be the source of: a drive unit, drive transmission system, suspension system, etc. The paper attempts to identify and assess the impact of this factor on the energy consumption of the driver's work.

It's all in the past: how do colonial legacies between host and home countries affect the expatriate experience?

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Christopher Richardson
Keyword(s):  
Cultural Values ◽  
Negative Impact ◽  
Research Field ◽  
Content Type ◽  
Colonial Legacy ◽  
The Past ◽  
Host Country Nationals ◽  
Practical Experiences ◽  
The Individual ◽  
The Impact

PurposeWithin the expatriation subset of the wider IB literature, the focus of research has been on contemporary contextual factors. The purpose of this paper is to link the present to the past by investigating how the individual expatriate experience may be affected by a colonial legacy between host and home countries.Design/methodology/approachGiven the exploratory nature of this study, a qualitative interview-based approach eliciting thick, detailed descriptions of the practical experiences of seven Japanese expatriate managers working in Malaysia was adopted. These were supplemented by additional interviews with three host-country nationals who work alongside some of the expatriates. The data were analysed through a two-stage coding process.FindingsThe expatriate respondents were largely unanimous in their view that the colonial past between the two countries had no negative impact on their experiences in Malaysia, and the Malaysian interviewees corroborated this. On the contrary, the majority of the expatriates actually spoke positively about their experiences. This was especially true for expatriates in both the tourism and education/research field whose work was linked in some way to the period of Japanese occupation.Research limitations/implicationsThe small, single-context nature of the investigation limits generalisation. There are also many particularities in this study (the nature of Japanese-Malaysian postcolonial relations, cultural values of the Malaysians and Japanese, and so on) that are perhaps not easily relatable to other contexts. Having said this, qualitative research is not always geared towards generalisability but rather towards contextual intricacies and nuances.Originality/valueWhile most of the extant literature on expatriation has examined largely contemporary factors, this paper explores the impact of more historical events on the expatriate experience. Although such events may seem distant from an expatriate's current activities, this study suggests that in certain circumstances, they may have a lingering effect.

scholarly journals Do High Oil Prices Obstruct the Transition to Renewable Energy Consumption?

2020 ◽  
Vol 12 (11) ◽  
pp. 4689 ◽  
Author(s):  
Shahriyar Mukhtarov ◽  
Jeyhun I. Mikayilov ◽  
Sugra Humbatova ◽  
Vugar Muradov
Keyword(s):  
Economic Growth ◽  
Renewable Energy ◽  
Energy Consumption ◽  
Negative Impact ◽  
Oil Prices ◽  
Oil Price ◽  
Renewable Energy Consumption ◽  
Long Run ◽  
Carbon Dioxide Co2 ◽  
The Impact

The study analyzes the impact of economic growth, carbon dioxide (CO2) emissions, and oil price on renewable energy consumption in Azerbaijan for the data spanning from 1992 to 2015, utilizing structural time series modeling approach. Estimation results reveal that there is a long-run positive and statistically significant effect of economic growth on renewable energy consumption and a negative impact of oil price in the case of Azerbaijan, for the studied period. The negative impact of oil price on renewable energy consumption can be seen as an indication of comfort brought by the environment of higher oil prices, which delays the transition from conventional energy sources to renewable energy consumption for the studied country case. Also, we find that the effect of CO2 on renewable energy consumption is negative but statistically insignificant. The results of this article might be beneficial for policymakers and support the current literature for further research for oil-rich developing countries.

Trust, Ethnicity and Integrity in East Africa: Experimental Evidence from Kenya and Tanzania

2017 ◽  
Vol 2 (1) ◽  
pp. 88-123 ◽  
Author(s):  
Dominic Burbidge ◽  
Nic Cheeseman
Keyword(s):  
Ethnic Diversity ◽  
Negative Impact ◽  
Common Knowledge ◽  
Individual Level ◽  
Trust Games ◽  
Negative Effect ◽  
Experimental Games ◽  
The Individual ◽  
The Impact ◽  
First Time

AbstractPolitical economy comparisons of Kenya and Tanzania have often found the political salience of ethnicity to be far higher in the former than the latter, with a negative impact on intercommunal trust. This difference has tended to be explained on the basis of the different kinds of leadership that the two countries experienced after independence. However, these findings have typically been demonstrated using aggregate or survey data. This paper assesses the salience of ethnicity at the individual level for the first time, deploying monetized two-round trust games in urban Kenya and Tanzania. The experimental games isolate the comparative impact of common knowledge of ethnicity and integrity among a quasi-random selection of 486 citizens. Verifying previous findings, we observe higher levels of trust and trustworthiness in Tanzania as compared with Kenya. Further, in comparison with Kenya, any shared knowledge of ethnic identities in Tanzania leads players to transfer fewer resources, while common knowledge that both players are “honest” led to higher transfers there than in Kenya. These results provide robust evidence of higher levels of trust in Tanzania, and of the negative effect in that country of common knowledge of ethnicity on levels of cooperation. The findings demonstrate the way in which political context can shape the impact of ethnic diversity, and encourage further experimental research that looks at the intersubjective dynamics of social cooperation.

FOUR DECADES OF POVERTY AND CONSUMPTION IN CHINA

2020 ◽  
Vol 65 (supp01) ◽  
pp. 117-138
Author(s):  
JINXIAN WANG ◽  
CHEN WANG ◽  
YAN ZHANG
Keyword(s):  
Economic Growth ◽  
Income Distribution ◽  
Negative Impact ◽  
Poverty Index ◽  
Domestic Consumption ◽  
Individual Level ◽  
Provincial Level ◽  
The Individual ◽  
The Impact ◽  
Empirical Analyses

Since 2010, China’s miraculous growth has come to a halt and has shown steady deceleration. To re-accelerate economic growth, stimulating domestic consumption is a crucial way with fighting poverty as the key step. This paper attempts to explore the impact of poverty on resident consumption in China over the last four decades. Based on provincial data, we first simulate income distribution at the individual level and provide moderate poverty profiles at the provincial level. The empirical analyses are then conducted to gauge the poverty impacts using the estimated poverty index. Results show that (1) moderate poverty has decreased sharply in China, with the best achievement in Beijing, Shanghai and Guangdong; (2) moderate poverty exerts a significantly negative impact on resident consumption; and (3) when poverty increases, resident consumption on household equipment decreases the most, while resident consumption on food, transportation, and telecommunication decreases the least.

scholarly journals Does Water, Waste, and Energy Consumption Influence Firm Performance? Panel Data Evidence from S&P 500 Information Technology Sector

2020 ◽  
Vol 17 (14) ◽  
pp. 5206
Author(s):  
Liliana Nicoleta Simionescu ◽  
Ștefan Cristian Gherghina ◽  
Ziad Sheikha ◽  
Hiba Tawil
Keyword(s):  
Information Technology ◽  
Energy Consumption ◽  
Firm Performance ◽  
Panel Data ◽  
Negative Impact ◽  
Total Energy Consumption ◽  
Technology Sector ◽  
Information Technology Sector ◽  
The Impact ◽  
Water Waste

This paper aimed to investigate the impact of water, waste, and energy consumption on firm performance for a sample of enterprises that belong to the S&P 500 Information Technology sector over the period of 2009–2020. The quantitative framework covered both accounting (e.g., return on assets—ROA; return on common equity—ROE; return on capital—ROC; return on invested capital—ROIC) and market-based measures of performance (e.g., price-to-book value—PB), alongside firm and corporate governance specific variables. By estimating multivariate panel data regression models, the empirical results provided support for a negative impact of total water use on PB but a positive effect on ROA. With reference to the total waste, the econometric outcomes revealed a negative influence on the entire selected performance measures, whereas total energy consumption did not reveal any statistically significant influence.

scholarly journals Weather Impact on Airport Performance

Aerospace ◽  
2018 ◽  
Vol 5 (4) ◽  
pp. 109 ◽  
Author(s):  
Michael Schultz ◽  
Sandro Lorenz ◽  
Reinhard Schmitz ◽  
Luis Delgado
Keyword(s):  
Traffic Management ◽  
Probability Distributions ◽  
Weather Conditions ◽  
Air Traffic ◽  
Weather Data ◽  
Data Set ◽  
Airport Capacity ◽  
Weather Events ◽  
The Individual ◽  
The Impact

Weather events have a significant impact on airport performance and cause delayed operations if the airport capacity is constrained. We provide quantification of the individual airport performance with regards to an aggregated weather-performance metric. Specific weather phenomena are categorized by the air traffic management airport performance weather algorithm, which aims to quantify weather conditions at airports based on aviation routine meteorological reports. Our results are computed from a data set of 20.5 million European flights of 2013 and local weather data. A methodology is presented to evaluate the impact of weather events on the airport performance and to select the appropriate threshold for significant weather conditions. To provide an efficient method to capture the impact of weather, we modelled departing and arrival delays with probability distributions, which depend on airport size and meteorological impacts. These derived airport performance scores could be used in comprehensive air traffic network simulations to evaluate the network impact caused by weather induced local performance deterioration.

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