Search results for "Energy engineering"
showing 10 items of 1099 documents
Local Green Power Supply Plants Based on Alcohol Regenerative Gas Turbines: Economic and Environmental Aspects
2020
Growing economies need green and renewable energy. Their financial development can reduce energy consumption (through energy-efficient technologies) and replace fossil fuels with renewable ones. Gas turbine engines are widely used in transport and industry. To improve their economic attractiveness and to reduce harmful emissions, including greenhouse gases, alternative fuels and waste heat recovery technologies can be used. A promising direction is the use of alcohol and thermo-chemical recuperation. The purpose of this study is to estimate the economic efficiency and carbon dioxide emissions of an alcohol-fueled regenerative gas turbine engine with thermo-chemical recuperation. The carbon …
Sensitivity analysis and process optimization of a natural gas dehydration unit using triethylene glycol
2019
Abstract Dehydration of natural gas by absorption using triethylene glycol (TEG) is a common industrial offshore procedure to ensure the compliance with the required water dew point specifications for midstream transportation. Two thermodynamic models, the UMR-PRU and the TST/NRTL, are applied for the process simulation while a preliminary economic evaluation has been conducted revealing that both yield overall similar results as for the fixed capital cost which is found to be in good agreement with reported literature values. Moreover, sensitivity analysis of several operational parameters of the process has been performed and optimized values are suggested aiming to reduce its energy requ…
Coordinates and Dynamics of the Relationships between Multinational Enterprises and Economic Development – A Theoretical Approach
2013
Abstract The paper aims to configure, based on the historical analyses of the theories regarding multinational enterprises and economic development (which, most of them, are unilateral, unidimensional and focused on just one theoretical background) a conceptual framework – subsumed to the idea of a matrix with variable architecture that integrates existing models – able to allow and favour the exhaustive and dynamic analysis of the relationships between multinational enterprises and economic development within the current and future spatial and temporal context – characterized by (enormous) complexity, turbulence and volatility.
The Evolution of Entrepreneurship Activity Indicators in Two European Countries
2013
Abstract The aim of this paper is to present how the economic situation affected the evolution of the entrepreneurial activity in Romania and Hungary in the last few years including the in the post-crisis period. We will have a look at the attitudes, perceptions and aspiration towards entrepreneurship in Romania and Hungary and will briefly outline some of the similarities and differences between the indicators in these two European countries based on the GEM framework. The paper will provide a brief overview of some entrepreneurship related indicators and will be used for an future introductory analysis, which is meant to provide the basis for further investigation in order to thoroughly u…
Agricultural Insurances and Food Security. The New Climate Change Challenges
2015
Abstract Food security is one of the highest problems that the governments have to face in the third millennium. The complexity of this problem justifies the performance of researches, in view of finding viable solutions, not only in agriculture, but in other branches of activity too. Among them, the field of insurances is to be noted by its struggles to adapt to the new challenges. This paper tries to clarify the way in which insurances may become a key factor for the food security and addresses the following issues: food security factors; factors impacting on the development of agricultural insurances, risks connected to the agricultural activities and the way in which the insurance prote…
Wealth, Competitiveness, and Intellectual Capital – Sources for Economic Development
2015
Abstract National wealth, national competitiveness and national intellectual capital were major objectives of a nation in the last century. By this paper we identify strong interrelations between national wealth, national competitiveness and national intellectual capital according to Pearson, R and R 2 results. These interrelations demonstrate that national wealth, national competitiveness and intellectual capital are important sources for increasing the economic development based on data from 40 developed, emerging and developing countries.
Repercussions of Economic and Social Factors on Pension Systems
2013
Abstract Economic and social developments in recent years have left serious marks on pension systems. As forecasts for the following period are bleak, the need for uniting the efforts of public authorities with those of the business environment, research institutes and the academic community in order to identify viable solutions for both the present and the future, becomes increasingly obvious. Together they can identify remedies and contribute to the popularization of a problem whose consequences, once known, can be counteracted. The paper drafted, by studying the literature, confronts a number of common issues faced by pension systems in the current period and emphasizes the possibility o…
Regional Tourism Development in Romania – Consistency with Policies and Strategies Developed at EU Level
2013
Abstract The national tourism development master plan for the period 2007-2026 focuses on tourism resources of the regions. The regional tourism development strategy should have the opportunities and threats that are found in every county of the region as guide marks. Their identification leads to facilitate the implementation of tourism development strategy, the opportunity maximum use being the revival and growth ramp of tourist activities, preventing threats ensure the proper functioning of the implementation process. In this paper we analyzed a series of indicators of tourist movement in the eight development regions of Romania.
The Harzburg Management Model in the Contemporary World
2015
Abstract In the context of globalization, economic growth and economic performance is the only chance for Romania. Within all the instruments and means required to obtain the economical growth, a very important role plays the management system, which should be performing and aligned to the requirements and evolution of the contemporary world. An option for a performing management system lies in implementing the German Harzburg Management system within public and private organizations in Romania. The present paper aims to present the main aspects regarding this management model, including main features and performances as a viable alternative to the Romanian management system.
The Analysis of the Relationship between the Level of the Public Expenditure for Investments and de Degree of Development of the Society in Romania
2013
Abstract Public expenditure for development have a decisive role in Romania in the economic recovery of the country, in a first step, but at the same time taking into account the EU's objectives. Romania during 2000-2010 had the largest public investment expenditures across European countries as a share of GDP, and in 2011 was ranked second after Poland. But while the share of GDP allocated to public investment in Romania is above the average of EU countries, in the economy these expenditures have been seen too little. Looking at Lisbon Index score, which tracks the performance of member countries to achieve the objectives of the current Lisbon strategy, one can notice that Romania is on th…