contributor author | Neerav Abani | |
contributor author | Achuth Munnannur | |
contributor author | Rolf D. Reitz | |
date accessioned | 2017-05-09T00:27:56Z | |
date available | 2017-05-09T00:27:56Z | |
date copyright | May, 2008 | |
date issued | 2008 | |
identifier issn | 1528-8919 | |
identifier other | JETPEZ-27012#032809_1.pdf | |
identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/137951 | |
description abstract | Numerical grid and time-step dependencies of discrete droplet Lagrangian spray models are identified. The two main sources of grid dependency are due to errors in predicting the droplet-gas relative velocity and errors in describing droplet-droplet collision and coalescence processes. For reducing grid dependency due to the relative velocity effects, a gas-jet theory is proposed and applied to model diesel sprays. For the time-step dependency, it is identified that the collision submodel results in drop size variation in the standard spray model. A proposed spray model based on the gas-jet theory is found to improve the time-step independency also along with the mesh independency. The use of both Eulerian (collision mesh) and Lagrangian (radius of influence) collision models along with the gas-jet theory is found to provide mesh-independent results. | |
publisher | The American Society of Mechanical Engineers (ASME) | |
title | Reduction of Numerical Parameter Dependencies in Diesel Spray Models | |
type | Journal Paper | |
journal volume | 130 | |
journal issue | 3 | |
journal title | Journal of Engineering for Gas Turbines and Power | |
identifier doi | 10.1115/1.2830867 | |
journal fristpage | 32809 | |
identifier eissn | 0742-4795 | |
keywords | Collisions (Physics) | |
keywords | Drops | |
keywords | Sprays AND Diesel | |
tree | Journal of Engineering for Gas Turbines and Power:;2008:;volume( 130 ):;issue: 003 | |
contenttype | Fulltext | |