|
|
|
|
|
Bruna Bacalja Ba?ic, Maja Krcum and Anita Gudelj
This research investigates the application of photovoltaic (PV) systems on ship retrofits with the aim of reducing the emission of harmful gases. By using renewable energy resources, this research presents the potential for reducing greenhouse gas (GHG) ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Van Chien Pham, Hanseok Kim, Jae-Hyuk Choi, Antony J. Nyongesa, Jongsu Kim, Hyeonmin Jeon and Won-Ju Lee
Recent developments in power electronics, energy storage systems, and renewable energy; increased market demands for more efficient and cleaner electric power to meet stricter environmental regulations; and development in gigawatt (GW)-class DC (direct c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vilma Naujokiene, Kristina Lekaviciene, Egidijus ?arauskis and Asta Bendoraityte
Achieving a positive balance between energy use and environmental protection requirements has shown that soil bioregeneration could reduce the main disadvantages of tillage, that lead to increased costs and reduced profits. The aim was to assess the impa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Danilo D?Andrea, Giacomo Risitano and Fabio Alberti
The aim of this work is to design a power split transmission for an urban street sweeper in order to reduce fuel consumption. The design process starts with the comparison between a hydrostatic and a hydromechanical power split transmission. Both transmi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sascha Kaiser, Oliver Schmitz, Paul Ziegler and Hermann Klingels
Climate Impact of Aviation.
|
|
|
|
|
|
|
|
|
|
|
Chris Bliamis, Zinon Vlahostergios, Dimitrios Misirlis and Kyros Yakinthos
Flow control methods for aerodynamic drag reduction have been a field of interest to aircraft designers, who seek to minimize fuel consumption and increase the aircraft?s aerodynamic performance. Various flow control techniques, applied to aeronautical a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kranthi Kumar Maniam, Raghuram Chetty, Ravikumar Thimmappa and Shiladitya Paul
Fuel cells are a key enabling technology for the future economy, thereby providing power to portable, stationary, and transportation applications, which can be considered an important contributor towards reducing the high dependencies on fossil fuels. El...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bonguk Koo and Yong-Duck Kang
The results of flow visualization and hot-film measurement in a water channel are presented in this paper, in which the effectiveness of controlling synthetic hairpin vortices in the laminar boundary layer is examined to reduce skin friction. In this stu...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ravin S. Sahota and Sam M. Dakka
Targets to reduce CO2 emissions by 75% and NOx emissions by 90% by 2050 in aviation have been set by The Advisory Council for Aviation Research and Innovation in Europe. Sustainable fuels, e.g., emulsified biofuel, have demonstrated promise in reducing e...
ver más
|
|
|
|
|
|
|
|
|
|
|
Takuyuki Yoshioka, Rin Sakurai, Shohei Kameyama, Koki Inoue and Bruce Hartsough
The processing of woody biomass waste piles for use as fuel instead of burning them was investigated. At each landing of slash pile location, a 132 kW grapple excavator was used to transfer the waste piles into a 522 kW horizontal grinder. Economies of s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Cherng-Yuan Lin
Biodiesel produced from vegetable oils, animal fats and algae oil is a renewable, environmentally friendly and clean alternative fuel that reduces pollutants and greenhouse gas emissions in marine applications. This study investigates the influence of bi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kamphol Promjiraprawat and Bundit Limmeechokchai
This study assesses Thailand?s energy policies on renewable electricity generation and energy efficiency in industries and buildings. The CO2 emissions from power generation expansion plans (PGEPs) are also evaluated. The PGEPs of CO2
ver más
|
|
|
|
|
|
|
|
|
|
|
Mina Tadros, Roberto Vettor, Manuel Ventura and C. Guedes Soares
This paper presents the effect of a propeller cup on the propeller cavitation and the fuel consumption of a bulk carrier in both calm water and different weather conditions towards improving the energy efficiency of the ship and reducing the level of emi...
ver más
|
|
|
|
|
|
|
|
|
|
The purpose of this paper is to investigate the effects of using gas to liquid (GTL)-biodiesel blends as an alternative fuel on the physical properties as well as the combustion and emission reduction characteristics in a diesel engine. In order to asses...
ver más
|
|
|
|
|
|
|
|
|
|
|
Stefano Freguia, Korneel Rabaey, Zhiguo Yuan, Jürg Keller
Pág. 1387 - 1396
|
|
|
|
|
|
|
|
|
|
|
Vladimir Pelic, Tomislav Mrakovcic, Radoslav Radonja and Marko Valcic
The medium-speed diesel engine in diesel-electric propulsion systems is increasingly used as the propulsion engine for liquefied natural gas (LNG) ships and passenger ships. The main advantage of such systems is high reliability, better maneuverability, ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ehsan Houshfar, Terese Løvås and Øyvind Skreiberg
An experimental investigation was carried out to study the NOx formation and reduction by primary measures for five types of biomass (straw, peat, sewage sludge, forest residues/Grot, and wood pellets) and their mixtures. To minimize ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Maja Percic, Nikola Vladimir, Ailong Fan and Ivana Jovanovic
Energy requirements push the shipping industry towards more energy-efficient ships, while environmental regulations influence the development of environmentally friendly ships by replacing fossil fuels with alternatives. Current mathematical models for s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Deqiang Ji, Qingxin Jia, Chuanli Zhu, Wei Dong, Hongjun Wu and Guanzhong Wang
Climate warming and environmental problems caused by the excessive consumption of fossil energy and massive CO2 emissions have seriously damaged the human living environment. This paper develops a new green, efficient, and environmentally friendly CO2 ca...
ver más
|
|
|
|
|
|
|
|
|
|
|
Arne Seitz, Markus Nickl, Florian Troeltsch and Kathrin Ebner
A fuel cell?gas turbine hybrid propulsion concept is introduced and initially assessed. The concept uses the water mass flow produced by a hydrogen fuel cell in order to improve the efficiency and power output of the gas turbine engine through burner ste...
ver más
|
|
|
|
|
|