scholarly journals Fuel efficiency of conventional design tractors diesel engines in relation to new design

2006 ◽  
Vol 10 (4) ◽  
pp. 229-237
Author(s):  
Jeremija Jevtic ◽  
Radenko Gligorijevic ◽  
Djuro Borak
Keyword(s):  
Energy Consumption ◽  
Automotive Industry ◽  
Diesel Engines ◽  
Emission Reduction ◽  
Fossil Fuels ◽  
Fuel Efficiency ◽  
Exhaust Emission ◽  
Total Consumption ◽  
Conventional Design ◽  
Reduction Of Energy Consumption

Total consumption of all types of energies is rather high nowadays with constant tendency of increasing. Transport section is one of the highest consumers of energy obtained from fossil fuels. It is absolutely clear that the reduction of energy consumption and the protection of environment - exhaust emission reduction, i. e. cleaner air, will be one of the main tasks of automotive industry in the first decades of the 21st century. In spite of its superiority over the petrol engine in respect of the fuel consumption, a diesel engine "suffers" from the increased exhaust emission, particles and NOx first of all and also from the noise and vibrations. The paper gives a review of fuel efficiency of conventional design tractors diesel engines in relation to new design. .

scholarly journals Erratum to: Impact of Emerging Engine and After-Treatment Technologies for Improved Fuel Efficiency and Emission Reduction for the Future Rail Diesel Engines

2017 ◽  
Vol 3 (3) ◽  
pp. 245-245
Author(s):  
Carlo Beatrice ◽  
Natale Rispoli ◽  
Gabriele Di Blasio ◽  
Athanasios G. Konstandopoulos ◽  
Eleni Papaioannou ◽  
...  
Keyword(s):  
Diesel Engines ◽  
Emission Reduction ◽  
Fuel Efficiency ◽  
The Future ◽  
Treatment Technologies

scholarly journals Macroeconomic Determinants of Renewable Electricity Technology Adoption in Thailand

2020 ◽  
Vol 2 (2) ◽  
pp. 99-111
Author(s):  
Jidapa Ungwanitban ◽  
Salah ud Din Taj
Keyword(s):  
Renewable Energy ◽  
Energy Consumption ◽  
Fossil Fuels ◽  
Energy Technology ◽  
Total Energy Consumption ◽  
Renewable Energy Consumption ◽  
Total Consumption ◽  
Renewable Energy Technology ◽  
The Government ◽  
The Impact

Renewable energy plays a significant role in mitigating C02 emission and boosts sustainable development. Initially, this study examines those factors which create hurdles in adopting renewable energy technology in Thailand. Later, this study examined the impact of renewable energy with other supporting variables on Thailand's total energy consumption. For this purpose, this study used 38 years of data from 1990 to 2018. Initially, the Augmented Dickey fuller test applied to verify the order of integration on indicators, and it confirms that there exists a unit order of integration. Then applied Johansen Cointegration, and it confirms that there are long-run relationships among trade openness, GDP, energy consumption (fossil fuels), financial development, and renewable energy consumption. Further applied Vector error correction model (VECM) to estimates the coefficients on indicators. Results confirm that openness to trade endorses the consumption of renewable energy in Thailand. However, the development of the economy and traditional energy resources creates hurdles to adapting renewable energy in Thailand. Renewable energy technology in Thailand did not significantly impact financial growth and development. After the research, the researcher advised the government of Thailand to adopt and implement the regulations and policies that maximize the magnitude of renewable energy and maximize the portion of renewable energy in total consumption of the overall energy consumption for the country Thailand.

Development of Methodology for Determining the Physical Properties of Natural and Innovative Materials

2019 ◽  
Vol 1156 ◽  
pp. 79-96
Author(s):  
Rodrigo Spinelli ◽  
Pedro Henrique Dall'Agnol Pasquali ◽  
Angélica Bertotti ◽  
Dantara Lerin ◽  
Alana F. Pitol ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Energy Consumption ◽  
Fossil Fuels ◽  
High Energy ◽  
Improve Energy Efficiency ◽  
Innovative Materials ◽  
Reduction Of Energy Consumption ◽  
Soybean Straw ◽  
The Impact

The high energy consumption of buildings in the various sectors of society, the exploitation of natural resources and the use of fossil fuels make it necessary to research constructive alternatives that can reduce the impact on the planet. The use of thermal insulation in buildings is important for the reduction of energy consumption, however, most of the materials developed are manufactured generating high rates of pollution. This study starts with the use of natural elements (corn cob / soybean straw / pine bark) and innovative elements (vacuum / slimstone plate), in order to improve energy efficiency of buildings. The methodological development of the work began in the selection of materials and development of facade cladding boards. The determination of the thermal conductivity was analyzed using a heating plate and PT100 temperature sensors, determination of the apparent and actual density, and analysis of the material composition using Scanning Electron Microscopy (SEM). After the development of the analyzes, the natural slabs and recycled slimstone showed significant results, with thermal conductivity lower than 0.07 W / m.k.

Introduction

1980 ◽  
Vol 295 (1414) ◽  
pp. 345-347 ◽  
Keyword(s):  
Energy Consumption ◽  
Solar Energy ◽  
Royal Society ◽  
Fossil Fuels ◽  
The Sun ◽  
Muscular Power ◽  
Total Consumption ◽  
Mineral Oils ◽  
Present Rate ◽  
To Come

I should like to welcome participants on behalf of the Royal Society to the meeting for discussion on solar energy. To set the scene I can misapply the Shakespearian quotation, ‘A universal largess like the sun His liberal eye doth give to everyone’ and go on to add 'Thawing the cold fear' of energy shortages to come. The Sun’s liberal eye has provided energy for the Earth’s surface at the rate of over 50 x 10 12 t of coal equivalent per year, that is some 5000 times greater than our present rate of energy consumption. Apart from providing direct warmth, indirect solar energy has been used for many years. The biomass, in the form of wood, was the earliest source of energy. Even now, wood supplies a surprisingly large amount of primary fuel. In North America, for instance, the amount of wood used is about equivalent to the total consumption of primary fuel by Denmark, or some 7 % of U.K. consumption. Later tallow, vegetable oils and the fossil fuels, coal, peat, lignite and some mineral oils came into use for heating, cooking, lighting, pottery making and primitive smelting and manufacturing. Solar heat and fuels were not used for power or work. The first sources of power for man, other than his own and his animals’ muscular power, were provided indirectly by solar energy via the atmosphere, through wind acting on sails and windmills and through rain acting on waterwheels. About 250 years ago the picture was radically and forever changed by the invention of the steam engine. This was done principally and most effectively by Newcomen, who devised a machine that used fuel for producing work.

scholarly journals Impact of Emerging Engine and After-Treatment Technologies for Improved Fuel Efficiency and Emission Reduction for the Future Rail Diesel Engines

2016 ◽  
Vol 2 (2) ◽  
pp. 99-112 ◽  
Author(s):  
Carlo Beatrice ◽  
Natale Rispoli ◽  
Gabriele Di Blasio ◽  
Athanasios G. Konstandopoulos ◽  
Eleni Papaioannou ◽  
...  
Keyword(s):  
Diesel Engines ◽  
Emission Reduction ◽  
Fuel Efficiency ◽  
The Future ◽  
Treatment Technologies

scholarly journals Energy Consumption Analysis for Vehicle Production through a Material Flow Approach

Energies ◽  
2020 ◽  
Vol 13 (9) ◽  
pp. 2396 ◽  
Author(s):  
Fernando Enzo Kenta Sato ◽  
Toshihiko Nakata
Keyword(s):  
Energy Consumption ◽  
Automotive Industry ◽  
Material Flow ◽  
Raw Materials ◽  
Open Data ◽  
Energy Resources ◽  
Total Consumption ◽  
Energy Consumption Analysis ◽  
Vehicle Production ◽  
Vehicle Market

The aim of this study is to comprehensively evaluate the energy consumption in the automotive industry, clarifying the effect of its productive processes. For this propose, the material flow of the vehicles has been elaborated, from mining to vehicle assembly. Initially, processes where each type of material was used, and the relationship between them, were clarified. Subsequently, material flow was elaborated, while considering materials input in each process. Consequently, the consumption of energy resources (i.e., oil, natural gas, coal, and electricity) was calculated. Open data were utilized, and the effects on the Japanese vehicle market were analyzed as a case study. Our results indicate that the energy that is required for vehicle production is 41.8 MJ/kg per vehicle, where mining and material production processes represent 68% of the total consumption. Moreover, 5.23 kg of raw materials and energy resources are required to produce 1 kg of vehicle. Finally, this study proposed values of energy consumption per mass of part produced, which can be used to facilitate future material and energy analysis for the automotive industry. Those values can be adopted and modified as necessary, allowing for possible changes in future premises to be incorporated.

Ecological Innovations in the Automotive Sector. Part I: Construction Innovations

2018 ◽  
Vol 19 (11) ◽  
pp. 30-35
Author(s):  
Marta Wójcik
Keyword(s):  
Automotive Industry ◽  
Diesel Engines ◽  
New Technologies ◽  
Negative Impact ◽  
The Other ◽  
Automotive Sector ◽  
Environmental Aspects ◽  
Car Industry ◽  
Human Transport ◽  
Sector Part

The automotive sector is one of the fastest growing sectors of economy. The increasing amount of cars both in Polish and world roads results in the immeasurable benefits associated with the goods and human transport. On the other hand, this phenomenon caused the contamination of the environment. During the fuel combustion in petrol or diesel engines, the harmful gases, for example CO2, NOx and SOx are emitted. Apart from the negative impact on the environment, the emission of the aforementioned gases results in the deterioration of human conditions, as well as, the development of civilization diseases. In order to minimalize the harmful influence of an automotive industry on the environment, new technologies which can reduce the consumption of fuel or limit the fumes emission are developed. The first part of paper presents new solutions in an automotive sector which influence on the decline of the negative impact of automobiles on the environment. Additionally, proposed solutions affect the development of a car industry, taking into consideration environmental aspects.

scholarly journals A Review on Energy and Renewable Energy Policies in Iran

2021 ◽  
Vol 13 (13) ◽  
pp. 7328
Author(s):  
Saeed Solaymani
Keyword(s):  
Economic Growth ◽  
Renewable Energy ◽  
Energy Consumption ◽  
Causal Relationship ◽  
Energy Security ◽  
Fossil Fuels ◽  
Agricultural Products ◽  
Energy Resources ◽  
Causality Analysis ◽  
Renewable Energy Consumption

Iran, endowed with abundant renewable and non-renewable energy resources, particularly non-renewable resources, faces challenges such as air pollution, climate change and energy security. As a leading exporter and consumer of fossil fuels, it is also attempting to use renewable energy as part of its energy mix toward energy security and sustainability. Due to its favorable geographic characteristics, Iran has diverse and accessible renewable sources, which provide appropriate substitutes to reduce dependence on fossil fuels. Therefore, this study aims to examine trends in energy demand, policies and development of renewable energies and the causal relationship between renewable and non-renewable energies and economic growth using two methodologies. This study first reviews the current state of energy and energy policies and then employs Granger causality analysis to test the relationships between the variables considered. Results showed that renewable energy technologies currently do not have a significant and adequate role in the energy supply of Iran. To encourage the use of renewable energy, especially in electricity production, fuel diversification policies and development program goals were introduced in the late 2000s and early 2010s. Diversifying energy resources is a key pillar of Iran’s new plan. In addition to solar and hydropower, biomass from the municipal waste from large cities and other agricultural products, including fruits, can be used to generate energy and renewable sources. While present policies indicate the incorporation of sustainable energy sources, further efforts are needed to offset the use of fossil fuels. Moreover, the study predicts that with the production capacity of agricultural products in 2018, approximately 4.8 billion liters of bioethanol can be obtained from crop residues and about 526 thousand tons of biodiesel from oilseeds annually. Granger’s causality analysis also shows that there is a unidirectional causal relationship between economic growth to renewable and non-renewable energy use. Labor force and gross fixed capital formation cause renewable energy consumption, and nonrenewable energy consumption causes renewable energy consumption.

scholarly journals Pulp and Paper Industry: Decarbonisation Technology Assessment to Reach CO2 Neutral Emissions—An Austrian Case Study

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 1161
Author(s):  
Maedeh Rahnama Mobarakeh ◽  
Miguel Santos Silva ◽  
Thomas Kienberger
Keyword(s):  
Energy Consumption ◽  
Co2 Emissions ◽  
Emission Reduction ◽  
Co2 Emission ◽  
Manufacturing Industry ◽  
Paper Industry ◽  
Heat Pumps ◽  
Pulp And Paper ◽  
Low Carbon ◽  
Co2 Emission Reduction

The pulp and paper (P&P) sector is a dynamic manufacturing industry and plays an essential role in the Austrian economy. However, the sector, which consumes about 20 TWh of final energy, is responsible for 7% of Austria’s industrial CO2 emissions. This study, intending to assess the potential for improving energy efficiency and reducing emissions in the Austrian context in the P&P sector, uses a bottom-up approach model. The model is applied to analyze the energy consumption (heat and electricity) and CO2 emissions in the main processes, related to the P&P production from virgin or recycled fibers. Afterward, technological options to reduce energy consumption and fossil CO2 emissions for P&P production are investigated, and various low-carbon technologies are applied to the model. For each of the selected technologies, the potential of emission reduction and energy savings up to 2050 is estimated. Finally, a series of low-carbon technology-based scenarios are developed and evaluated. These scenarios’ content is based on the improvement potential associated with the various processes of different paper grades. The results reveal that the investigated technologies applied in the production process (chemical pulping and paper drying) have a minor impact on CO2 emission reduction (maximum 10% due to applying an impulse dryer). In contrast, steam supply electrification, by replacing fossil fuel boilers with direct heat supply (such as commercial electric boilers or heat pumps), enables reducing emissions by up to 75%. This means that the goal of 100% CO2 emission reduction by 2050 cannot be reached with one method alone. Consequently, a combination of technologies, particularly with the electrification of the steam supply, along with the use of carbon-free electricity generated by renewable energy, appears to be essential.

scholarly journals Mitigating the Energy Consumption and the Carbon Emission in the Building Structures by Optimization of the Construction Processes

Energies ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 3287
Author(s):  
Alireza Tabrizikahou ◽  
Piotr Nowotarski
Keyword(s):  
Life Cycle ◽  
Energy Consumption ◽  
Structural Optimization ◽  
Carbon Emissions ◽  
Carbon Emission ◽  
Construction Materials ◽  
High Energy ◽  
Building Structures ◽  
Life Cycle Stages ◽  
Reduction Of Energy Consumption

For decades, among other industries, the construction sector has accounted for high energy consumption and emissions. As the energy crisis and climate change have become a growing concern, mitigating energy usage is a significant issue. The operational and end of life phases are all included in the building life cycle stages. Although the operation stage accounts for more energy consumption with higher carbon emissions, the embodied stage occurs in a time-intensive manner. In this paper, an attempt has been made to review the existing methods, aiming to lower the consumption of energy and carbon emission in the construction buildings through optimizing the construction processes, especially with the lean construction approach. First, the energy consumption and emissions for primary construction materials and processes are introduced. It is followed by a review of the structural optimization and lean techniques that seek to improve the construction processes. Then, the influence of these methods on the reduction of energy consumption is discussed. Based on these methods, a general algorithm is proposed with the purpose of improving the construction processes’ performance. It includes structural optimization and lean and life cycle assessments, which are expected to influence the possible reduction of energy consumption and carbon emissions during the execution of construction works.

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