Готові списки джерел за темами / Transport energy efficiency

Добірка наукової літератури з теми "Transport energy efficiency"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 29 січня 2023

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Статті в журналах з теми "Transport energy efficiency"

1

Moriarty, Patrick, and Damon Honnery. "Energy efficiency: Lessons from transport." Energy Policy 46 (July 2012): 1–3. http://dx.doi.org/10.1016/j.enpol.2012.04.056.

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2

Mateichyk, Vasyl, Miroslaw Śmieszek, and Nataliia Kostian. "Evaluation of transport system configuration by efficiency indicators." Transport technologies 2022, no. 2 (December 10, 2022): 52–62. http://dx.doi.org/10.23939/tt2022.02.052.

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The study is devoted to the process of evaluating the efficiency of the transport system in terms of urban mobility. The approach is based on the use of a system of performance indicators using neurocomputer technologies. Generalized models for obtaining a vector of performance indicators and an integral performance indicator in the form of computer neural networks are proposed. It is shown that to record the fact that the indicator values fall to the threshold and below, it is enough to use a neural network built on perceptron neurons. The multi-layered model for determining the integral indicator allows assessing the importance of individual indicators in the system of monitoring the efficiency of a given configuration of the transport system. An experimental study of twenty-five states of the transport system of various configurations in the cities of Poland and Ukraine was carried out. The key indicators of the system's efficiency are determined, namely, the energy efficiency indicator of the vehicle as a system element, the environmental indicator and the traffic safety indicator. Based on the results of the experimental study, a neural network structure is proposed for evaluating the energy efficiency of given configurations of the transport system. For the purpose of training and testing the obtained network, the procedure of adjusting the threshold value of the activation function and normalizing the values of the input parameters array of the transport system was used. The constructed network was implemented using Visual Studio 2019 using the C++ language. The network was adjusted to determine the energy efficiency estimate with a given accuracy by replacing the perceptron neuron with a regular one with a sigmoidal activation function. The random nature of the choice of the configuration and the initial values of the weighting factors made it possible to obtain a model with an accuracy of implementation on the control sample in the range from 90 to 98.7% at a learning rate of 0.1.
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3

Lebedevas, Sergejus, Nadežda Lazareva, Paulius Rapalis, Vygintas Daukšys, and Tomas Čepaitis. "INFLUENCE OF MARINE FUEL PROPERTIES ON IGNITION, INJECTION DELAY AND ENERGY EFFICIENCY." Transport 36, no. 4 (December 2, 2021): 339–53. http://dx.doi.org/10.3846/transport.2021.15952.

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According to the International Council on Combustion Engines (CIMAC) and International Maritime Organization (IMO) statistics, the rational selection of Marine Bunker Fuel (MBF) properties is an effective way to improve operating conditions and energy efficiency of all types of marine Diesel Engines (DEs). The publication presents the results of studies on the influence of heavy and distillate MBF properties on the characteristics of different DE types: high-speed (Caterpillar 3512B, MTU 8V 396TB), medium-speed (SKL VDS 48/42, ChN 26.5/31) ir low-speed (MAN B&W 6S60MC). The aim of work is to form a methodological framework for assessing the influence of marine fuel properties on the energy performance of different types of ship power plants. Numerical methods show that in the case of unfavourable selection of the density and viscosity of marine fuels regulated by the standard ISO 8217:2017, the changes in specific fuel consumption be reach up to 10% low-speed, 4…7% medium-speed, and 2…3% high-speed DEs. As the density varies from light grades to 1010 kg/m3, the change in be is 3…4%. At low viscosity, as the density increases to 1030 kg/m3, the low-speed engine comparative fuel consumption increases by 5%. It is recommended not to use fuel with a density >1010 kg/m3 and a viscosity <300…400 mm2/s. Developed solutions for the rational selection of bunkered marine fuel properties for a specific DE model trough the influence of density and viscosity on fuel injection and combustion characteristics based on multiparametric diagrams of relative fuel consumption change.
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4

Narinbaevna, Irisbekova Mavluda, and Alimova Zebo Khamidullayevna. "INDICATORS FOR ASSESSING THE EFFICIENCY OF FUEL USE IN ROAD TRANSPORT." European International Journal of Multidisciplinary Research and Management Studies 02, no. 06 (June 1, 2022): 13–18. http://dx.doi.org/10.55640/eijmrms-02-06-03.

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This article discusses the evaluation of fuel efficiency indicators in road transport. At the same time, the main criterion for evaluating the efficiency of the use of automotive fuel is the specific fuel consumption in grams per unit of transport work. The energy intensity is calculated by dividing the total amount of energy consumed by the fuel by the transport work performed at the same time.
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5

Lipscy, Phillip Y., and Lee Schipper. "Energy efficiency in the Japanese transport sector." Energy Policy 56 (May 2013): 248–58. http://dx.doi.org/10.1016/j.enpol.2012.12.045.

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6

Al-Mofleh, Anwar, Soib Taib, and Wael A. Salah. "MALAYSIAN ENERGY DEMAND AND EMISSIONS FROM THE TRANSPORTATION SECTOR." TRANSPORT 25, no. 4 (December 31, 2010): 448–53. http://dx.doi.org/10.3846/transport.2010.55.

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Анотація:
Road transport represents one of the greatest areas of challenge for energy efficiency. A growing percentage of petrol usage is due to consumption in the transportation sector. However, in other sectors, petrol has been recently partially or totally substituted by other fuels. The need for worldwide action to achieve energy efficiency in the transportation sector has been recognized by the agencies of the United Nations and other international governmental and non‐governmental organizations. Transportation is one of the key factors for the growth and development of Malaysian economy. Currently, more than 80% of primary energy consumption based on fossil fuels and demand stays high and is supposed continually grow in the future. Even if technology developments eventually able to reduce specific consumption, world energy demand is likely to increase in line with its population. This sector also accounts for a substantial amount of air pollution in cities and contributes significantly to greenhouse gas emissions. This paper aims to analyze factors influencing the pattern and emission level of energy consumption in the transportation sector of Malaysia and extrapolates the total energy demand and vehicular emissions.
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7

Usón, Alfonso Aranda, Antonio Valero Capilla, Ignacio Zabalza Bribián, Sabina Scarpellini, and Eva Llera Sastresa. "Energy efficiency in transport and mobility from an eco-efficiency viewpoint." Energy 36, no. 4 (April 2011): 1916–23. http://dx.doi.org/10.1016/j.energy.2010.05.002.

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8

Popov, S. P., and O. A. Baldynov. "Evaluation of energy efficiency of the long distance energy transport systems for renewable energy." E3S Web of Conferences 114 (2019): 02003. http://dx.doi.org/10.1051/e3sconf/201911402003.

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Анотація:
This article describes the systems of long-distance transport of energy from renewable energy sources. A comparative analysis of the energy efficiency of energy complexes in the transport of energy analysis is performed carriers such as electricity and hydrogen in a liquefied and chemically bound state.
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9

Bora, Gyula, and B. Forman. "Transport, energy efficiency and environmental issues in Hungary." International Journal of Environmental Technology and Management 1, no. 3 (2001): 246. http://dx.doi.org/10.1504/ijetm.2001.000753.

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Petrovic, Dr Stojan, Dr Velimir Patrovic, and Dr Vladimir Pajkovic. "Transport Energy Efficiency: Case of Serbia – A Review." IOSR Journal of Mechanical and Civil Engineering 14, no. 02 (April 2017): 32–39. http://dx.doi.org/10.9790/1684-1402063239.

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Дисертації з теми "Transport energy efficiency"

1

Stanovskyi, Yevhen. "Energy efficient transport and equipment." Thesis, Дніпропетровський національний університет залізничного транспорту ім. академіка В. Лазаряна, 2017. https://er.knutd.edu.ua/handle/123456789/9142.

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Анотація:
The purpose of the article is to emphasise the importance of energy efficient transport and equipment as the world practice demonstrates that increase in energy efficiency is the most effective direction of ensuring energy security of the country.
Автори статті приділяють увагу питанню важливості використання енергоощадного транспорту та обладнання, так як світовий досвід демонструє, що посилення заходів з енергозбереження є найбільш ефективним способом гарантування енергобезпеки країни.
Авторы статьи уделяют внимание важности проблеме использования энергосберегающего транспорта и оборудования, так как мировой опыт демонстрирует, что усиление мер по рациональному использованию энергии является наиболее эффективным способом обеспечения гарантии энергобезопасности страны.
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2

Akena, p'Ojok Robert. "Improving road transport energy efficiency through driver training." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/5275/.

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Fuel consumption by road vehicles is the most significant component of total road transport energy use and is significantly affected by driving style. This research was aimed at improving the effectiveness and efficiency of driver training for fuel economy for drivers involved in the management and operations of a road network in England. A unique approach to driver training was designed and tested with 94 drivers of heavy, medium and light vehicles. The improvement in fuel economy (in terms of MPG) for the first month after the training was observed to improve by up to 7%. The improvements reduced at varying rates after the training suggesting the need for regular refresher training. The behaviours of the drivers were also observed to change as a result of the training, towards styles more suited to achieving a better fuel economy. The results suggest that both linear and logarithmic models could be suited to predicting the drivers' performances and could be integrated in models of the type of HDM-4 which currently lack such capability. The driver training methodology was found to be more cost effective than the Safe And Fuel Efficient Driving (SAFED) training method recommended by the Department for Transport (DfT).
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3

Kałuża, Andrzej. "Socioeconomic assessment and improvement of energy-efficiency in city rail transport /." Katowice : Komel, 2004. http://www.gbv.de/dms/bs/toc/493090088.pdf.

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4

Xylia, Maria. "Is energy efficiency the forgotten key to successful energy policy? : Investigating the Swedish case." Licentiate thesis, KTH, Energi och klimatstudier, ECS, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-192291.

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Анотація:
Sweden aims to become one of the first fossil-free welfare countries in the world. In 2009, specific energy and climate policy targets were announced for 2020, which exceed the ambition of respective EU targets in some areas. The overarching objective of the thesis is to understand the role of energy efficiency in Swedish energy and climate policy frameworks, and identify the gaps that need to be addressed. In this context, energy efficiency is recognized as a challenge to address. Yet, there are reasons to believe that it is not being pursued with the same dedication as other energy and climate-related targets. This hypothesis is tested using Mixed Methods research, with cases on different sectors of the Swedish economy, namely energy intensive industry and public bus transport, as well as comparisons with energy efficiency within the EU-28. With the help of abductive reasoning, the observations are inferred to an explanation, and common themes for Swedish energy efficiency policies emerge. The evidence indicates that energy efficiency has received lower priority than other energy and climate policies. This is demonstrated by the conflict between energy efficiency, emission reduction and renewable energy targets, for example in the case of public transport. There is generally a mismatch between targets and the instruments in place. Thus more attention should be given to energy efficiency and its potential benefits for the Swedish energy system. Opportunities for energy efficiency improvements are not being fully realized, but new policy initiatives could provide the necessary support to harness the potential. In-depth evaluation of new policy instruments should be integrated in the policy-making process, in order to provide a clear picture of costs versus benefits. An example is given with a Cost-Benefit Analysis for energy efficiency obligations targeting the Swedish energy intensive industry. Simplicity and transparency in the introduction and monitoring of new instruments need to be sought for. Energy efficiency should be given first priority in relation to other energy and climate targets. The basis for future policies should be grounded now in order for energy efficiency to become the key for successful Swedish energy policy.

QC 20160914

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Pickering, Jason C. Pickering. "Understanding Coulombic Efficiency Limitations in an Acid-Base Energy Storage System: Mass Transport Through Nafion." Case Western Reserve University School of Graduate Studies / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=case1528397906336044.

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6

Peake, Stephen Robert. "Cross-sector policy research : insights from the UK energy and transport sectors." Thesis, University of Cambridge, 1993. https://www.repository.cam.ac.uk/handle/1810/244626.

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Анотація:
Following established traditions in anthropology and sociology, where cross-border research helps to identify important themes which benefit from comparative study, this dissertation introduces cross-sector policy research as a new methodology for generating useful insights about public policy. The cross-sector method is applied to the study of the UK energy and transport sectors. A range of generic policy developments in the energy sector are identified including: the development of efficiency indicators, scenario analysis, and the establishment of energy efficiency programmes. Such developments have not, as yet, occurred in the transport sector. A structural analogy between energy and transport is developed which is used to generate a range of innovations for transport policy including: gross mass movements and intensities as indicators of the efficiency with which the economy uses transport; the projection of a quantitative scenario of sustainable mobility; and the outline of a transport efficiency programme. The insights from the analogy are generalised to consider the benefits of a wider application of cross-sector policy research to other policy areas.
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7

Kamiya, Norikazu. "Classical Reduction of Quantum Master Equations as Similarity Transformation." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199085.

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8

Nordström, Erik. "Advanced Modelling and Energy Efficiency Prediction for Road Vehicles." Thesis, Umeå universitet, Institutionen för fysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-175358.

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This thesis presents a first real world case-study of road transport operations that use the COVER format, in which the driver and the vehicle are regarded as separate entities. This format enables a complex representation of the transport operation that potentially better describe reality compared to the conventional representation used in today’s certification tools. The representation of operations treated in this thesis is called Operating Cycles and has been used to fully describe three representative transport missions from a case-study truck. Stochastically generated operating cycles have been used to create a large data set and thus prevent overfitting of specific cycles. The Operating Cycle-representation allowed for fair comparison between vehicle designs and ultimately manifested a vehicle composition that reduced the fuel consumption by nearly 10% for the same kind of transport operations.
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9

Wang, Huajun. "Interplay between capacity and energy consumption in C-RAN transport network design." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-204939.

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Current mobile network architecture is facing a big challenge as the traffic demands have been increasing dramatically these years. Explosive mobile data demands are driving a significant growth in energy consumption in mobile networks, as well as the cost and carbon footprints [1]. In 2010, China Mobile Research Institute proposed Cloud Radio Access Network (C-RAN) [2], which has been regarded as one of the most promising architecture to solve the challenge of operators. In C-RAN, the baseband units (BBU) are decoupled from the remote radio units (RRH) and centralized in one or more locations. The feasibility of combination of implementing the very tight radio coordination schemes and sharing baseband processing and cooling system resources proves to be the two main advantages of C-RAN compared to traditional RAN. More importantly, mobile operators can quickly deploy RRHs to expand and make upgrades to their networks. Therefore, the C-RAN has been advocated by both operators and equipment vendors as a means to achieve the significant performance gains required for 5G [3]. However, one of the biggest barriers has shown up in the deployment of C-RAN as the novel architecture imposes very high capacity requirement on the transport network between the RRHs and BBUs, which is been called fronthaul network. With the implementation of 5G wireless system using advanced multi-antenna transmission (MIMO), the capacity requirement would go further up, as well as the power consumption. One solution has been proposed to solve the problem is to have the baseband functions divided, partially staying with RRHs and other functions would be centralized in BBU pool. Different splitting solutions has been proposed in [4] [5] and [6]. In this thesis work, we choose four different splitting solutions to build four CRAN architecture models. Under one specific case scenario with the fixed number of LTE base stations, we calculate the transport capacity requirement for fronthaul and adopt three different fronthaul technology. The power consumption is calculated by adding up the power utilized by RRHs, fronthaul network and baseband processing. By comparing the numerical results, split 1 and 2 shows the best results while split 2 is more practical for dense cell area, since split 1 requires large fronthaul capacity. The fronthaul transport technology can be decided according to different density of base stations. TWDM-PON shows better energy performance as fronthaul network when the capacity requirement is high, compared to EPON. However, for larger number of BSs, mm-Wave fronthaul is a better solution in terms of energy efficiency, fiber saving and flexibility.
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10

Zhou, Jing. "Improving the energy efficiency of high speed rail and life cycle comparison with other modes of transport." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/25066.

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The world energy crisis and global warming call for a reduction of energy consumption. High speed rail, increasingly viewed as an effective solution to inter-city passenger transportation challenge of the 21st century, has the significant ability of increasing passenger capacity and reducing journey time. The advent of high speed rail provided many research opportunities. So far studies have been contributed from different perspectives: economical, environmental, and technical. The main research gaps are: addressing the problem of the effects of route geometry on train energy consumption and quantifying the contributing factors towards differences in energy consumption between different types of high speed trains. In addition, this energy assessment cannot be based solely on the energy consumption in the operation phase. In the life cycle assessment of the whole railway system, the vehicle evaluation is relatively straightforward, but the infrastructure raises many difficult issues. In this thesis, an existing approach for modelling the traction energy of electric trains is developed and extended to simulate the train operation under different driving strategies. Baseline simulation is carried out to estimate the journey time and energy consumption of a High Speed 2(HS2) reference train running on the London-Birmingham proposed high speed route. The influence of route geometry and train configuration on energy consumption is investigated, based on the metric of energy consumption per passenger kilometre. Simulations are also carried out of different types of high speed rolling stock running on the proposed HS2 route, to identify the key areas of vehicle design which help to minimise the energy consumption of high speed rail travel. The life cycle assessment of railway infrastructure is carried out in four stages of a whole life cycle: production, operation, maintenance and disposal, the influence of route parameters on life cycle cost is also investigated. Finally, high speed rail is compared with competing modes of transport, i.e. the aircraft, the automobile and the conventional train, in both operational energy efficiency and whole life cycle analysis. The high speed rail transportation has great advantage over the road and air transport, giving a reduction of carbon emission by roughly 95%, among which the operation stage contributes the largest reduction.
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Книги з теми "Transport energy efficiency"

1

Breheny, M. J. Urban decentralisation and transport energy-efficiency. Reading: University of Reading Department of Geography, 1994.

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2

Institute, University College Dublin Transport Policy Research. Energy efficiency opportunities for transport in Ireland: Report to Irish Energy Centre. 2nd ed. Dublin: Transport Policy Research Institute, UCD, 1996.

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3

University College Dublin. Transport Policy Research Institute. Energy efficiency opportunities for transport in Ireland: Report to Irish Energy Centre. Dublin: Transport Policy Research Institute, UCD, 1996.

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4

W, Shock R. A., and Great Britain. Energy Efficiency Office., eds. Energy use and energy efficiency in UK transport up to the year 2010. London: H.M.S.O., 1989.

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5

Zhukov, Aleksey, Ekaterina Bobrova, Igor' Bessonov, and Elizaveta Mednikova. Energy efficiency of building systems. ru: INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1856852.

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The monograph summarizes and systematizes the results of experimental and theoretical studies of thermal insulation systems of building structures, technological facilities, transport facilities, and cold preservation. The criterion for the effectiveness of system insulation solutions is energy efficiency as a criterion for a comprehensive assessment, including both taking into account the direct reduction of energy costs during the operation of insulation shells, and the costs of installation, maintenance of structures in working condition, evaluation of the operational resistance of materials and durability of system solutions as a whole. Modern types of thermal insulation materials based on gas-filled plastics, foamed glass, foamed rubber and products based on mineral fibers are considered: stone wool, glass wool and glass fiber, basalt fiber. It is intended for researchers, specialists in the field of materials science, technologists — developers of new types of thermal insulation materials and constructors, designing products from them, as well as for teachers and university students. It can be useful for a wide range of people interested in construction and energy saving problems.
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6

Bank, Asian Development. Energy efficiency and climate change considerations for on-road transport in Asia. Mandaluyong City, Metro Manila, Philippines: ADB, Dept. for International Development in collaboration with Clean Air Initiative for Asian Cities, 2006.

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7

Cheng shi ke yun jiao tong jie neng guan li yan jiu: Research on energy efficiency management of urban passenger transport. Tianjin Shi: Tianjin da xue chu ban she, 2011.

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8

Earth, Friends of the. Memorandum by the Friends of the Earth to the House of Lords European Communities Committee, Sub Committee B (Energy, Transport and Technology) for its enquiry into efficiency of electricity use. London: Friends of the Earth, 1989.

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9

Middleton, David B. Energy efficient transport technology: Program summary and bibliography. Washington, D.C: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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10

Innovation, European Commission Executive Agency for Competitiveness and. Energy-efficient transport: Green mobility on the move. [Brussels, Belgium]: Executive Agency for Competitiveness and Innovation of the European Commission (EACI), 2009.

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Частини книг з теми "Transport energy efficiency"

1

Yang, Ming, and Xin Yu. "Energy-Efficient Urban Transport." In Energy Efficiency, 127–39. London: Springer London, 2015. http://dx.doi.org/10.1007/978-1-4471-6666-5_11.

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2

Xu, Tao. "Nanoarchitectured Electrodes for Enhanced Electron Transport in Dye-Sensitized Solar Cells." In Energy Efficiency and Renewable Energy Through Nanotechnology, 271–98. London: Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-638-2_7.

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3

Lespezeanu, Ion, Laszlo Barothi, Leonard-Iulian Cucu, Cătălin-Dumitru Darie, Iulian Constantin Coropețchi, and Ion Copae. "Study of Vehicles Energy Efficiency." In The 30th SIAR International Congress of Automotive and Transport Engineering, 165–76. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32564-0_20.

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4

Huo, Hong. "Energy Efficiency and Energy Conservation Strategies for Vehicles and Transport Systems in China." In China's Energy Efficiency and Conservation, 85–99. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0737-8_6.

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5

Kontogiannis, S., L. Mamatas, I. Psaras, and V. Tsaoussidis. "Measuring Transport Protocol Potential for Energy Efficiency." In Lecture Notes in Computer Science, 333–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11424505_32.

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6

Arzhannikov, Boris, Irina Baeva, and Timofey Tarasovskiy. "Energy Efficiency Electrified Section with Automatic Voltage Regulation." In VIII International Scientific Siberian Transport Forum, 87–97. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37916-2_10.

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7

Evtimov, Ivan, Rosen Ivanov, Hristo Stanchev, Georgi Kadikyanov, Gergana Staneva, and Milen Sapundzhiev. "Energy Efficiency and Ecological Impact of the Vehicles." In Ecology in Transport: Problems and Solutions, 169–250. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42323-0_4.

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Arkhipov, Anatoly, and Sergey Maslennikov. "Energy Efficiency of Integrated Transport and Logistics Systems." In International Scientific Siberian Transport Forum TransSiberia - 2021, 921–29. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96383-5_102.

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Rozhitsky, Dmitry, Alexey Rybak, Irina Krasnova, Aleksandr Komyakov, and Mikhail Nikiforov. "Energy Intensity and Energy Efficiency of Energy Saving Policy of Railway Transport." In Lecture Notes in Networks and Systems, 359–67. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11051-1_35.

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Dharmowijoyo, Dimas B. E., and Tri Basuki Joewono. "Mobility and Health: The Interaction of Activity-Travel Patterns, Overall Well-Being, Transport-Related Social Exclusion on Health Parameters." In Energy Efficiency in Mobility Systems, 53–83. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0102-9_4.

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Тези доповідей конференцій з теми "Transport energy efficiency"

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MARSEGLIA, GUIDO, and CARLO M. MEDAGLIA. "ENERGY EFFICIENCY IN GASOLINE DIRECT INJECTION ENGINES." In URBAN TRANSPORT 2018. Southampton UK: WIT Press, 2018. http://dx.doi.org/10.2495/ut180081.

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Zebarjadi, Mona, Keivan Esfarjani, and Ali Shakouri. "Nanoparticle Scattering in Thermoelectric Transport." In Solar Energy: New Materials and Nanostructured Devices for High Efficiency. Washington, D.C.: OSA, 2008. http://dx.doi.org/10.1364/solar.2008.swb4.

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BUSINGE, CORINE NSANGWE, SILVANO VIANI, NICOLA PEPE, MARCO BORGARELLO, CARLO CARUSO, GIUSEPPE TRIPODI, and STEFANIA SORESINETTI. "ENERGY EFFICIENCY SOLUTIONS FOR SUSTAINABLE URBAN MOBILITY: CASE STUDY OF THE MILAN METROPOLITAN AREA." In URBAN TRANSPORT 2018. Southampton UK: WIT Press, 2018. http://dx.doi.org/10.2495/ut180151.

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Tomozei, Claudia, Mirela Panainte-Lehadus, Oana Irimia, and Florin Nedeff. "Public transport in Bacau City." In 2020 7th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE). IEEE, 2020. http://dx.doi.org/10.1109/eeae49144.2020.9279088.

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Donno, M., A. Ferrari, A. Scarpelli, P. Perlo, and A. Bocca. "Mechatronic system for energy efficiency in bus transport." In 2012 Design, Automation & Test in Europe Conference & Exhibition (DATE 2012). IEEE, 2012. http://dx.doi.org/10.1109/date.2012.6176493.

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Usman, Muhammad, Dzmitry Kliazovich, Fabrizio Granelli, Pascal Bouvry, and Piero Castoldi. "A transport layer approach to improve energy efficiency." In ICC 2016 - 2016 IEEE International Conference on Communications. IEEE, 2016. http://dx.doi.org/10.1109/icc.2016.7510675.

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Momcilovic, V., D. Vujanovic, and V. Papic. "Small light urban vehicles: a solution for increasing energy efficiency and decreasing CO2emissions within city limits." In URBAN TRANSPORT 2009. Southampton, UK: WIT Press, 2009. http://dx.doi.org/10.2495/ut090431.

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Lindquist, Sten-Eric, Henrik Lindstrom, Hakan Rensmo, Sven Sodergren, Anita Solbrand, and H. Pettersson. "Electron transport properties in nanoporous TiO2 from analysis of action spectra of dye-sensitized electrodes." In Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XIII, edited by Volker Wittwer, Claes G. Granqvist, and Carl M. Lampert. SPIE, 1994. http://dx.doi.org/10.1117/12.185434.

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Jakubowski, Aleksander, Krzysztof Karwowski, and Andrzej Wilk. "Analysis of energy efficiency of suburban railway transport network." In 6th International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2021. http://dx.doi.org/10.5592/co/cetra.2020.1063.

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Rising numbers of agglomeration residents cause increased need for people movement on daily basis. Because of congestion of local roads, air pollution and limited parking space, providing mass transit based on electric traction is reasonable. While the electric rail vehicles are considered highly efficient in themselves, they need to be analyzed as a part of a transport network, because energy consumption depends on operating conditions as well. Information about energy efficiency of whole system operating under realistic conditions could be helpful for modernization of traction power supply, timetable planning or while ordering new rolling stock. This paper presents approach to analysis of energy efficiency of a suburban rail network, using specialized software developed on Matlab/Simulink basis. For the sake of analysis, simple transport network consisting of three lines was considered. Vehicles, assumed as uniform electric multiple units, operate according to the set schedule, taking into account varying electric drive efficiency and mass dependent on passengers’ number. Vehicles are supplied by four substations with nominal voltage of 3000 V DC, using overhead contact line. Developed model includes calculation of energy losses in power supply, therefore it is possible to determine efficiency of the whole network as a relation of mechanical energy of vehicles movement to electrical energy fed from public power system. Mean useful voltages for vehicles and substations are computed as well. Program structure allows for further expansion, e.g. with optimization algorithms.
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Spiridonov, Egor A., and Mikhail V. Yaroslavtsev. "Research of energy recuperation efficiency in electric transport systems." In 2017 18th International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM). IEEE, 2017. http://dx.doi.org/10.1109/edm.2017.7981798.

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Звіти організацій з теми "Transport energy efficiency"

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Hawn, D., and J. Fish. CLEA: the Closed Loop Efficiency Analysis Facility for thermochemical energy transport studies. Office of Scientific and Technical Information (OSTI), May 1986. http://dx.doi.org/10.2172/5712175.

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Muhsen, Abdelrahman, and Abu Toasin Oakil. Sustainable Transport in Riyadh: Potential Trip Coverage of the Proposed Public Transport Network. King Abdullah Petroleum Studies and Research Center, October 2021. http://dx.doi.org/10.30573/ks--2021-dp17.

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The transport sector has always had high energy demand and is a significant contributor to greenhouse gas (GHG) emissions and climate change. To improve energy efficiency and reduce GHG emissions, Riyadh is introducing an integrated public transport system. Per capita energy consumption is much lower for public transport than for private vehicles, such as cars and taxis. This study investigates the potential impact of Riyadh’s proposed public transport system on car and taxi trips.
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Muhsen, Abdelrahman, and Abu Toasin Oakil. Sustainable Transport in Riyadh: Potential Trip Coverage of the Proposed Public Transport Network. King Abdullah Petroleum Studies and Research Center, October 2021. http://dx.doi.org/10.30573/ks--2021-dp17.

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Анотація:
The transport sector has always had high energy demand and is a significant contributor to greenhouse gas (GHG) emissions and climate change. To improve energy efficiency and reduce GHG emissions, Riyadh is introducing an integrated public transport system. Per capita energy consumption is much lower for public transport than for private vehicles, such as cars and taxis. This study investigates the potential impact of Riyadh’s proposed public transport system on car and taxi trips.
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Muelaner, Jody. The Challenges of Vehicle Decarbonization. SAE International, April 2022. http://dx.doi.org/10.4271/epr2022se1.

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A narrow focus on electrification and elimination of tailpipe emissions is unlikely to achieve decarbonization objectives. Renewable power generation is unlikely to keep up with increased demand for electricity. A focus on tailpipe emissions ignores the significant particulate pollution that “zero emission” vehicles still cause. It is therefore vital that energy efficiency is improved. Active travel is the key to green economic growth, clean cities, and unlocking the energy saving potential of public transport. The Challenges of Vehicle Decarbonization reviews the urgent need to prioritize active travel infrastructure, create compelling mass-market cycling options, and switch to hybrid powertrains and catenary electrification for long-haul heavy trucks. The report also warns of the potential increase in miles travelled with the advent of personal automated vehicles as well as the pitfalls of fossil-fuel derived hydrogen power.
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Roa, Julia, and Joseph Oldham. Feasibility Study of Regional Air Mobility Services for High Priority Transportation in the San Joaquin Valley. Mineta Transportation Institute, May 2022. http://dx.doi.org/10.31979/mti.2022.2129.

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Regional Air Mobility (RAM) focuses on building upon existing airport infrastructure to transport people and goods using innovative aircraft that offer a huge improvement in efficiency, affordability, and community-friendly integration over existing regional transportation options. These aircraft, which typically carry less than 20 passengers or an equivalent weight in cargo, are flexible in terms of where they can take off and land, even using existing runways and infrastructure to maximize compatibility with today’s airports. This project examines the feasibility of RAM supporting high-speed transportation for high-priority passenger and cargo movement within Fresno County and connection to coastal urban centers. Some examples of high-priority passengers and cargo could include, but would not be limited to, medical patients needing specialized and/or emergency treatment, organ transport, and critical medical supply deliveries. Electrification of aviation is happening, and Fresno County has the potential to combine our existing closely spaced underutilized airport infrastructure, early demonstration, and experience with electric aircraft, renewable energy opportunities, central location within the state, and the need to open the door for new industry opportunities for youth to take advantage of this “Third Revolution” in aviation.
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Tanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Application of Turbulent Transport Techniques for Quantifying Whole Canopy Evapotranspiration in Large Agricultural Structures: Measurement and Theory. United States Department of Agriculture, January 2011. http://dx.doi.org/10.32747/2011.7592121.bard.

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Original objectives and revisions The original objectives of this research, as stated in the approved proposal were: 1. To establish guidelines for the use of turbulent transport techniques as accurate and reliable tool for continuous measurements of whole canopy ET and other scalar fluxes (e.g. heat and CO2) in large agricultural structures. 2. To conduct a detailed experimental study of flow patterns and turbulence characteristics in agricultural structures. 3. To derive theoretical models of air flow and scalar fluxes in agricultural structures that can guide the interpretation of TT measurements for a wide range of conditions. All the objectives have been successfully addressed within the project. The only modification was that the study focused on screenhouses only, while it was originally planned to study large greenhouses as well. This was decided due to the large amount of field and theoretical work required to meet the objectives within screenhouses. Background In agricultural structures such as screenhouses and greenhouses, evapotranspiration (ET) is currently measured using lysimeters or sap flow gauges. These measurements provide ET estimates at the single-plant scale that must then be extrapolated, often statistically or empirically, to the whole canopy for irrigation scheduling purposes. On the other hand, turbulent transport techniques, like the eddy covariance, have become the standard for measuring whole canopy evapotranspiration in the open, but their applicability to agricultural structures has not yet been established. The subject of this project is the application of turbulent transport techniques to estimate ET for irrigation scheduling within large agricultural structures. Major conclusions and achievements The major conclusions of this project are: (i) the eddy covariance technique is suitable for reliable measurements of scalar fluxes (e.g., evapotranspiration, sensible heat, CO2) in most types of large screenhouses under all climatic conditions tested. All studies resulted with fair energy balance closures; (ii) comparison between measurements and theory show that the model is capable in reliably predicting the turbulent flow characteristics and surface fluxes within screenhouses; (iii) flow characteristics within the screenhouse, like flux-variance similarity and turbulence intensity were valid for the application of the eddy covariance technique in screenhouses of relatively dilute screens used for moderate shading and wind breaking. In more dense screens, usually used for insect exclusions, development of turbulent conditions was marginal; (iv) installation of the sensors requires that the system’s footprint will be within the limits of the screenhouse under study, as is the case in the open. A footprint model available in the literature was found to be reliable in assessing the footprint under screenhouse conditions. Implications, both scientific and agricultural The study established for the first time, both experimentally and theoretically, the use of the eddy covariance technique for flux measurements within agricultural screenhouses. Such measurements, along with reliable theoretical models, will enable more accurate assessments of crop water use which may lead to improved crop water management and increased water use efficiency of screenhouse crops.
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Iurkevich, A. V., V. A. Soldatkin, A. V. Tereshin, and I. A. Iurkevich. Development of automated mechanical stepless transmission for mobile energy efficient transport and traction vehicles. АО «Казанский научно-исследовательский институт авиационных технологий», 2018. http://dx.doi.org/10.18411/b10022011t20181203.

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Lacerda Silva, P., G. R. Chalmers, A. M. M. Bustin, and R. M. Bustin. Gas geochemistry and the origins of H2S in the Montney Formation. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329794.

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Анотація:
The geology of the Montney Formation and the geochemistry of its produced fluids, including nonhydrocarbon gases such as hydrogen sulfide were investigated for both Alberta and BC play areas. Key parameters for understanding a complex petroleum system like the Montney play include changes in thickness, depth of burial, mass balance calculations, timing and magnitudes of paleotemperature exposure, as well as kerogen concentration and types to determine the distribution of hydrocarbon composition, H2S concentrations and CO2 concentrations. Results show that there is first-, second- and third- order variations in the maturation patterns that impact the hydrocarbon composition. Isomer ratio calculations for butane and propane, in combination with excess methane estimation from produced fluids, are powerful tools to highlight effects of migration in the hydrocarbon distribution. The present-day distribution of hydrocarbons is a result of fluid mixing between hydrocarbons generated in-situ with shorter-chained hydrocarbons (i.e., methane) migrated from deeper, more mature areas proximal to the deformation front, along structural elements like the Fort St. John Graben, as well as through areas of lithology with higher permeability. The BC Montney play appears to have hydrocarbon composition that reflects a larger contribution from in-situ generation, while the Montney play in Alberta has a higher proportion of its hydrocarbon volumes from migrated hydrocarbons. Hydrogen sulphide is observed to be laterally discontinuous and found in discrete zones or pockets. The locations of higher concentrations of hydrogen sulphide do not align with the sulphate-rich facies of the Charlie Lake Formation but can be seen to underlie areas of higher sulphate ion concentrations in the formation water. There is some alignment between CO2 and H2S, particularly south of Dawson Creek; however, the cross-plot of CO2 and H2S illustrates some deviation away from any correlation and there must be other processes at play (i.e., decomposition of kerogen or carbonate dissolution). The sources of sulphur in the produced H2S were investigated through isotopic analyses coupled with scanning electron microscopy, energy dispersive spectroscopy, and mineralogy by X-ray diffraction. The Montney Formation in BC can contain small discrete amounts of sulphur in the form of anhydrite as shown by XRD and SEM-EDX results. Sulphur isotopic analyses indicate that the most likely source of sulphur is from Triassic rocks, in particular, the Charlie Lake Formation, due to its close proximity, its high concentration of anhydrite (18-42%), and the evidence that dissolved sulphate ions migrated within the groundwater in fractures and transported anhydrite into the Halfway Formation and into the Montney Formation. The isotopic signature shows the sulphur isotopic ratio of the anhydrite in the Montney Formation is in the same range as the sulphur within the H2S gas and is a lighter ratio than what is found in Devonian anhydrite and H2S gas. This integrated study contributes to a better understanding of the hydrocarbon system for enhancing the efficiency of and optimizing the planning of drilling and production operations. Operators in BC should include mapping of the Charlie Lake evaporites and structural elements, three-dimensional seismic and sulphate ion concentrations in the connate water, when planning wells, in order to reduce the risk of encountering unexpected souring.
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