Objective
Most of the fuels employed in heat engines and industrial furnaces are liquids that must be well atomized before being injected into the combustion zone. This proposal concerns to a method for treating the fuel flow with gas bubbles to improve the spray atomization quality and to increase the combustion efficiency.
The basic feature of the proposed method is the possibility to change the gas bubble radius Rg independently of the gas void fraction a' It seems that such a "perforated" fuel spray would be easily broken and very high atomization quality could be achieved.
The method can be easily applied at comparative low injection pressure, in the cases of steady sprays like the ones used in burners and furnaces. The method and the device may also be used for unsteady injection, e.g. in-cylinder air-assisted fuel injection in 2-stroke ICE. The main task of the proposal will be too obtain empirical equations for calculation of the mean droplet diameters and distribution parameter q in terms of bubble radius Rg and void fraction a'. A check for an application of the method to the case of an intermittent injection will help to determine the field of application of the method, as a second task.
Regarding experimental techniques, droplets will be collected on slides for experimental investigation of the fuel atomization quality. The information concerning the mean air bubble radius will be obtained using a calculation method based on the bubbles rising velocity through stagnant liquid.
The proposed research will lead to improved understandinq of the effect of the air-treated fuel flow properties in particular the air bubble radius Rg and the void fraction a', on the sprav atomization quality. The study of these kind of treated fuel sprays and their atomization is an extension of the objectives of the original project. The results of this research work will be embodied in the
computer-based calculation method of the original project which will benefit the atomizer design and may be applied to a wide range of industries as well as to engines.
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
46022 VALENCIA
Spain
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.