Abstract
Environmental pollution in transportation is very serious. Finding alternative fuels is becoming increasingly urgent in order to minimize environmental pollution and diversify fuel sources for marine engines. In alternative fuels, bio-oils are considered as a potential fuel. The paper presents theoritical findings on application of exhaust energy for heating up biodiesel/bio-oil used in ship engines in order to raise the fuel’s viscosity and to improve the volatizing and mixing abilities with ambient air. This fuel heating system is designed basing on the energy balance between the required energy to raise the fuel temperature to the target one and the energy either directly obtained from the exhaust gas or gained from intermediate medium. Results of this study are potentials to direct the design and fabrication of this bio-fuels heating system for ship engines which can meet the operating conditions and safety issues of this kind of engines.
Highlights
In the strategy of marine economic development, the maritime sector plays an important role, in which seaports are the nucleus of development, the focal point for receiving and transporting import and export goods and circulating to all regions of the country [1],[2]
In order to comply with International Maritime Organization (IMO)'s decision, ships They must equip themselves with exhaust gas cleaning systems or compatible fuel tanks
The method of combining electric-exhaust gas is the method in which the fuel is first circulated through an exhaust gas exhaust device and it is circulated back to the tank
Summary
In the strategy of marine economic development, the maritime sector plays an important role, in which seaports are the nucleus of development, the focal point for receiving and transporting import and export goods and circulating to all regions of the country [1],[2]. The latest UN data is considered to be more accurate because it is based on the size of the engine of the ships in the world, the time spent on the sea and the amount of primary fuel sold shipowners This new figure shows much worse emissions than fears, and warns that CO2 emissions are about to increase by 30% by 2020. The UK government announced it would support the development of a global emissions trading scheme through the IMO and is studying the feasibility of taking into account marine emissions in the EU's trade program It is time for the maritime industry to take on its "responsibility" in tackling climate change. Developing biofuels on the basis of utilizing huge biomass resources and being made from renewable resources will be a real priority in ensuring safety, energy security for nations
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