Details

Title

Effect of the air to water ratio on the performance of internal mixing two-fluid atomiser

Journal title

Chemical and Process Engineering

Yearbook

2016

Numer

No 4 December

Divisions of PAS

Nauki Techniczne

Abstract

<jats:title>Abstract</jats:title><jats:p>One of the important parameters describing pneumatic liquid atomisation is the air to liquid mass ratio (</jats:p><jats:p>The paper presents results of experimental research of two-fluid atomisers with internal mixing built according to custom design. Investigated atomizers were designed for spraying a urea aqueous solution inside the power boiler combustion chamber. They are an important element of SNCR (selective non-catalytic reduction) installation which is used to reduce nitrogen oxides in a flue gas boiler. Obtained results were used by authors in further research, among others to determine the boundary conditions in the SNCR installation modeling.</jats:p><jats:p>The research included determining mean droplet diameter as a function of ALR. It has been based on the immersion liquid method and on the use of specialised instrumentation for determining distribution of droplet diameters in a spray – Spraytec by Malvern. Results obtained with both methods were later compared. The measurements were performed at a laboratory stand located at the Institute of Heat Engineering, Warsaw University of Technology. The stand enables extensive investigation of the water atomisation process.</jats:p>

Publisher

Polish Academy of Sciences Committee of Chemical and Process Engineering

Date

2016

Identifier

ISSN 0208-6425

DOI

10.1515/cpe-2016-0038

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