Analysis of transport mechanisms in dense fuel droplet sprays: Progress report June 1, 1988--May 31, 1989

Technical Report · Wed Mar 01 04:00:00 EST 1989

DOI:https://doi.org/10.2172/6417393· OSTI ID:6417393

Kleinstreuer, C.

This is the second DOE progress report which focuses on the most recent research results and just summarizes/references supportive DOE project results discussed elsewhere. An accurate analysis and effective computer simulation of evaporating droplets moving through a stagnant hot gas are important for the understanding of the basic process dynamics and for numerous design applications in dense sprays. Using input data for the gasification of three n-decane fuel droplets, the transient interaction effects on the individual droplet Reynolds numbers, vaporization rates, droplet distances, and average Nusselt numbers have been analyzed for different initial conditions. The present work is an extension of our experimentally verified boundary-layer analysis of a single vaporizing droplet assuming laminar axisymmetric flow and spherically shrinking droplets. The computer simulation model can be used to find optimal operational conditions to achieve rapid gasification without droplet collisions. 19 refs., 9 figs.

• Research Organization: North Carolina State Univ., Raleigh (USA)
• DOE Contract Number: FG05-87ER13728
• OSTI ID: 6417393
• Report Number(s): DOE/ER/13728-2; ON: DE89010088
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
421000* -- Engineering-- Combustion Systems
COMBUSTORS
COMPUTERIZED SIMULATION
COOLING
DOCUMENT TYPES
DROPLETS
EQUATIONS
EVAPORATION
FLUID FLOW
FUELS
GASIFICATION
LAMINAR FLOW
NUSSELT NUMBER
PARTICLES
PHASE TRANSFORMATIONS
PROGRESS REPORT
SIMULATION
SPRAY COOLING
SPRAYS
THERMOCHEMICAL PROCESSES
TWO-PHASE FLOW