|Table of Contents|

Overview on numerical simulations of primary atomization(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2014年01期
Page:
10-17
Research Field:
专论与综述
Publishing date:

Info

Title:
Overview on numerical simulations of primary atomization
Author(s):
LIU Chang-bo1;  ZHOU Li-xin1;  LEI Fan-pei2
1. Xi’an Aerospace Propulsion Institute, Xi’an 710100, China; 2. China Aerospace Science and Technology Corporation, Beijing 100037, China
Keywords:
atomization process;  numerical simulation;  multi-scale simulation;  droplet tracking method
PACS:
V434-34
DOI:
-
Abstract:
There are three simulation methods for primary atomization: simplified engineering models, DNS (Direct Numerical Simulation)-like simulation and multi-scale simulations. Fundamental ideas, advantages and disadvantages, application status of the three methods are summarized thoroughly in this paper. For the multi-scale simulation method, the blobs larger than the grid volume are captured by the DNS-like method, and those droplets smaller than the grid volume are tracked by simple models. This method can capture the main characteristics of the primary atomization, and its computational cost is moderate. It has become a new research direction for the primary atomization process.

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Last Update: 1900-01-01