Air atomization of fuel oil

by Phillip Frederick Erkenbrach

Publisher: Naval Postgraduate School in Monterey, Calif

Written in English

Published: 1948 Downloads: 159

Subjects:

Naval architecture

Edition Notes

Thesis (MS)--Massachusetts Institute of Technology, 1948.

ID Numbers
Statement	by Phillip Frederick Erkenbrach and Robert Joseph Zoeller
Contributions	Zoeller, Robert Joseph, 1919-
Open Library	OL24734128M

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PHASE II REPORT on A STUDY OF THE INFLUENCE OF FUEL ATOMIZATION VAPORIZATION, AND MIXING PROCESSES ON POLLUTANT 8~ISSIONS FROM MOTOR-VEHICLE POWERPLANTS to ENVIRONMENTAL PROTECTION AGENCY OFFICE OF AIR PROGRAMS Contract No. CPA Janu by D. A. Trayser, J. A. Gieseke, R. . An oil burner is a mechanical device that combines fuel oil with proper amounts of air before delivering the mixture to the point of ignition in a combustion chamber. It is essential for the efficiency of the combustion process that the oil/air mixture is well homogenized and with as few pure droplets of fuel oil as possible. 1) Ensure that the fuel oil pumps, in the system are satisfactory for pumping No.2 fuel oil and, if so, verify the pumps capacity and pressure output when pumping No.2 fuel oil. NOTE: (Normally, a pump designed specifically for No.6 fuel oil cannot be utilized for No.2 fuel oil due to the lack of lubricating properties of No. 2 fuel Size: KB. The liquid fuel injected from the nozzle is captured. The liquid film turns into the droplets with increasing distance from the nozzle. Provided by Professor Kawahara of Okayama University http.

Atomizing Steam - posted in Industrial Professionals: Dears, Atomizing steam should be at least bar(g) at the burner inlet and at least to 2 bar above the fuel oil pressure. Atomizing steam consumption would be about kg per kg of fuel oil. Atomizing steam should be dry saturated or slightly superheated to prevent any condensate formation at . Diesel injection, ignition, and fuel air mixing 1. Fuel spray phenomena 2. Spontaneous ignition 3. Effects of fuel jet and charge motion on mixing-controlled combustion 4. Fuel injection hardware 5. Challenges for diesel combustion DIESEL FUEL INJECTION The fuel spray serves multiple purposes: • Atomization • Fuel distribution • Fuel/air File Size: KB. Liquid fuel is injected from the engine's fuel injection nozzle. Analysis of the process of atomization, by which the fuel is changed into fine particles of . Atomization occurs as a result of the competition between the stabilizing influences of surface tension and viscosity of the liquid, and the disruptive actions of various internal and external forces. Atomization is particularly important in: Spray combustion: This involves the atomization and burning of liquid fuels.

Thermal efficiency and particle emissions were studied using water/oil emulsions. These studies were done using number 2 and number 6 fuel oil. The number 6 oil had a sulfur content greater than one percent and experiments were conducted to remove the sulfur dioxide from the stack gases. Test findings include: (1) emulsion effected a reduction in soot at a low excess air . DEVELOPMENT OF A LOW PRESSURE, AIR ATOMIZED OIL BURNER WITH HIGH ATOMIZER AIR FLOW Office of Building Technology, State and Community Programs United States Department of Energy Washington, DC Energy Efficiency and Conservation Division DEPARTMENTOFAPPLIEDSCIENCE BROOK HAVEN NATIONAL LABORATORY UPTON, Author: Thomas A. Butcher. 1. Fuels and Combustion Bureau of Energy Efficiency 5 The Figure gives an illus-tration of the duplex system of arrangement of strainers. The Table gives sizing of strainers at various locations. Pumping Heavy fuel oils are best pumped using positive displacement pumps, as they are able to get fuel moving when it is Size: KB. Air blast atomization improves if large proportions of the combustion air flow are used and the maximum possible airflows were used in this study, as all the primary zone air flow was used for atomization. A Malvern spray analyser was used with a simulated gas-oil by: 1.

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Air atomization of fuel oil by Phillip Frederick Erkenbrach Download PDF EPUB FB2

Alireza Bahadori Ph.D., in Essentials of Coating, Painting, and Lining for the Oil, Gas and Petrochemical Industries, Air Spraying. The original method of spray application was by air atomization. In this process, a compressor supplies air under pressure via an air hose to a spray gun, which atomizes the paint to produce a fine spray that is projected onto the surfaces.

Colin French CEng, FInstE, FIMgt, in Plant Engineer's Reference Book (Second Edition), Twin-fluid atomizers. Atomization in these types if partly caused by fuel pressure, but this is enhanced by the kinetic energy provided by another fluid which is normally air or steam.

At present, this secondary fluid is at a medium or high. Answers to Progress Check 1. A spray is a collection of a variety of sizes of fluid droplets moving in a controlled fashion. Surface tension causes an atomized liquid to break up into spherical droplets.

Droplets are small particles of liquid. Atomization is the process of breaking up liquids into droplets. Surface tension is the force that causes fluids to pull File Size: KB.

Fuel nozzle siphon air atomizing nozzle two-fluid nozzle diesel heavy oil waste oil Alcohol-based fuel burner nozzle Bore diameter: mm,1mm, mm,mm,2mm,mm,3mm,mm.

Out diameter: 18mm Total length: 78mm oil inlet:1/8" air inlet: 1/4" Nozzle size: 9/16" Product Introduction Siphon air atomizing nozzle is a low pressure can spray atomization of the best at. Air atomization of fuel oil Item Preview remove-circle Share or Embed This Item.

EMBED. EMBED (for hosted blogs and item tags) Want more. Advanced embedding details, examples, and help. No_Favorite. share Pages: Fuel Atomization in internal-combustion engines, the mixing of fuel with air or some other oxidizer within the engine in order to achieve complete and rapid combustion of the fuel.

In carburetor engines atomization is accomplished by the carburetor; in diesel engines and gasoline engines with direct fuel injection atomization Air atomization of fuel oil book accomplished by nozzles.

This atomization is done in three basic ways: 1. By using steam or air under pressure to break the oil into droplets. By forcing oil under pressure through a suitable nozzle. By tearing an oil film into tiny drops by centrifugal force.

Primary combustion air is usually admitted to the furnace through a casing surrounding the oil burner. Christine and Scott Gable are hybrid auto and alternative fuel experts who brewed biodiesel and traveledmiles on waste vegetable oil.

It takes a lot to make an engine work, but none of it would be possible without the atomization of automotive liquid fuels. In this process, fuel is forced through a small jet opening under extremely.

Full text of "Air atomization of fuel oil" See other formats AIR AT0MI2ATI0N OF FUEL Air atomization of fuel oil book SUBMITTED BY: LT. P.F. ERKENBRACK, LT. R.J. ZOELLFR, ^/T THESIS SUPERVISOR: PROFESSOR H.C. HOTTEL JA:W19U8 AIH aTOMIZATIOK of FUEL OIL by Ideutenant Phillip Frederick SrkenBrack, U.

Havy B.S., U* S. Naval acaaeagr. Widely used in diesel, heavy oil, waste oil, animal and vegetable oils, alcohol-based fuel burner system, and for kerosene, oil atomization.

Product Features 1. The use of compressed air to swirl inside the tubes and mix the atomized droplets impact. Can produce tiny micro particle size mist particles at low pressure and low volume conditions. Spray atomization is the transformation of a liquid into a spray of fine particles in a vacuum or a surrounding gas.

The breakdown of the liquid into small particles is achieved when compressed air mixes with the liquid. A spray nozzle is used to generate the atomized spray, which passes through an orifice at high pressure and in a controlled.

using low air pressures and low combustion air expanding the application possibilities. This air atomizing nozzle is ideal for #1, #2 and #4 fuel oil applications and also has the capability of atomizing pre-heated #5 and #6 oil.

The nozzle also works well in applications where the fuel being utilized is too viscous forFile Size: KB. The purpose of pressure relief valve on a constant capacity fuel supply is to: a. Relieve the pressure from the oil line any discharge it to atmosphere b. Re-direct fuel oil that above the set pressure back to the tank or strainer c.

Protect the oil tank from rupturing d. All the above. The specific heat of oil fuel is only about one-half that of water, hence very little steam will be required.

A slightly better economy is obtained by preheating, as it increases the fluidity of the oil and consequently does not require as much steam or air to effect the atomization.

ent systems to atomize fuel oil and the final result is also very differ-ent. In some cases fuel oil is mixed with combustion air before it reaches the atomizing nozzle; therefore the real atomization is easi-er because the air-fuel mixing has already been carried out.

This method though has some disadvantages: the use of an air com-File Size: 43KB. Combustion Equipment - Exam 7. STUDY. Flashcards. Learn. Write. Spell. Test. PLAY. Match. Gravity. Created by.

craigallisond PLUS. Terms in this set (25) Burning a fuel releases ___ heat energy. A vent line on a fuel oil tank prevents ___ when filling the tank with fuel oil and also prevents a vacuum from developing when fuel oil is removed.

@article{osti_, title = {SMALL OIL BURNER CONCEPTS BASED ON LOW PRESSURE AIR ATOMIZATION}, author = {BUTCHER, T and CELEBI, Y and WEI, G and KAMATH, B}, abstractNote = {The development of several novel oil burner applications based on low pressure air atomization is described.

The atomizer used is a prefilming, airblast nozzle of. As diagrammatically shown in FIG. 5, burner 30 comprises an air-atomizing nozzle 80 disposed in air-tube 32 desirably along the longitudinally-extending axis L thereof.

Motor 33 powers both fan 34 for supplying air for atomization and combustion to air-t and fuel or oil pump 36 for supplying oil via a conduit 38 to nozzle D Fuel oil nozzle. The advantages of the low-pressure air-atomizing burner: Meets exact demands for effective combustion and operating reliability.

Optimized fuel nozzle allows maximum atomization of the fuel oil. Built-in protection against oil drip. Constant circulation of fuel oil that guarantees hot fuel oil in the burner from the start. With air-assist and airblast atomizers, high velocity air is used either to augment atomization or as the sole driving force for atomization.

An alternative approach is to introduce low-velocity air directly into the bulk liquid at some point upstream of the nozzle discharge orifice, as illustrated in.

The U.S. Department of Energy's Office of Scientific and Technical InformationAuthor: T.A. Butcher, Y. Celebi. Fuel oil (also known as heavy oil, marine fuel or furnace oil) is a fraction obtained from petroleum distillation, either as a distillate or a general terms, fuel oil is any liquid fuel that is burned in a furnace or boiler for the generation of heat or used in an engine for the generation of power, except oils having a flash point of approximately 42 °C ( °F) and oils burned.

Nitrogen Oxides Emissions,15. Oxides of nitrogen (NOx) formed in combustion processes are due either to thermal fixation of atmospheric nitrogen in the combustion air ("thermal NOx"), or to the conversion of chemically bound nitrogen in the fuel ("fuel NOx").The term NOx refers to the composite of nitric oxide (NO) and nitrogen.

The spray system used here consists of 30 pulsed air-assist atomizers (see Fig. 1) from Spraying Systems Co (PulsaJet ABJJAU) with fluid cap PFJ. To do so, a compression ignition engine, diesel fuel, biodiesel fuel blend (B20) obtained from waste cooking oil, three EGR rates (0, 10 and 20%) and 7, 14 and 21Nm engine loads are used.

Three functions of oil burner nozzle are listed below: Atomization of Fuel: The oil burner nozzle atomizes and mixes the fuel with air to prepare an air-fuel mixture. The proper mixing of air with fuel is necessary because little variation in this can cause incomplete combustion of oil.

Covering the basics of liquid atomization, this book familiarizes readers with the physical processes of liquid atomization, the main types of atomizers and their design, measurements of spray characteristics, experimental investigations of atomizers, and application of atomizers.

It demonstrates how to calculate and design atomizers and how to measure the macro- and. help to reduce fuel consumption and harmful air pollutants in their newly developed engines.

One solution, is the use of charged injection technology, which via the process of electrostatic atomization, presents itself as a novel way to improve fuel spray characteristics and dynamics prior to combustion. When electrically insulating dielectric File Size: 1MB.

10/4/ Atomizing Air 3 e GE Power Systems Atomizing Air Power Systems University Air is supplied to the Liquid Fuel/Atomizing Air Module from an extraction manifold at the Gas Turbine Compressor Discharge (see Cooling and Sealing Air Piping Schematic MLI ). This air enters the LF/AA Module, and passes through the Precooler.

Air, nitrogen, argon and carbon dioxide were used as the atomizing gas in an 'air-assist' spray nozzle to determine the effect of these gases on mean droplet size, number density, velocity and their distributions in kerosene fuel spays and spray flames using a two. for effective oil atomization from the water surface.

At this point the project was modified in consultation with the scientific authority to address only the use of air jet atomization. A small scale laboratory evaluation was undertaken to assess the .A study is made of the effects that fuel properties have upon the mean droplet size characteristics of three fuel atomizer types that are commonly employed in the gas turbine engine.

The fuels tested included kerosine, gas oil, and a heavy residual fuel oil, and each was passed through a pressure swirl jet, a prefilming airblast, and a plain Cited by: The Handbook of Atomization and Sprays presents the fundamentals, as well as applied material from all fields into one thorough, comprehensive resource.

Subject areas included in the reference are droplets, theoretical models and numerical simulations, phase Doppler particle analysis, applications, devices and more.