Post-frontal Combustion Heat Modeling in DEVS-fire for Coupled Atmosphere-fire Simulation

نویسندگان

  • Haidong Xue
  • Xiaolin Hu
  • Nathan Dahl
  • Ming Xue
چکیده

Modeling the heat released from a burning wildfire is essential to support coupled atmosphere-fire simulation. This paper presents post-frontal combustion heat modeling in the wildfire spread model of DEVS-FIRE. The developed heat model integrates features from both the BURNUP model and the heat model of WRF-Fire to compute the heat flux of wildfire. To model fuel consumption, it uses the BURNUP model to calculate the burning time and employs an exponentially decreasing fuel mass loss curve to derive the fuel consumption rate. Experiment results are presented and compared with those from the heat model of WRF-Fire. Using the developed heat model, a coupled atmosphere-fire simulation based on DEVS-FIRE and the ARPS atmospheric model is run to demonstrate the impact of the mutual interaction between wildfire and weather on wildfire spread.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Coupled fire–atmosphere modeling of wildland fire spread using DEVS-FIRE and ARPS

This article introduces a new wildland fire spread prediction system consisting of the raster-based Discrete Event System Specification Fire model (DEVS-FIRE) and the Advanced Regional Prediction System atmospheric model (ARPS). Fire–atmosphere feedbacks are represented by transferring heat from DEVS-FIRE to ARPS as an externally forced set of surface fluxes and mapping the resulting changes in...

متن کامل

Coupled Fire - Atmosphere Modeling of Wildland Fire Spread Using DEVS - FIRE and ARPS 1

Coupled Fire-Atmosphere Modeling of Wildland Fire Spread Using DEVS-FIRE and ARPS 1 Nathan Dahl, Haidong Xue, Xiaolin Hu, and Ming Xue 2 Rosenstiel School of Marine and Atmospheric Science, University of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149 3 Department of Computer Science, Georgia State University, P.O. Box 5060, Atlanta, GA 30302 4 Center for Analysis and Prediction of Storms, 1...

متن کامل

Integrating Fire Suppression into a DEVS Cellular Forest Fire Spread Model

This paper deals with modeling and simulation of surface forest fire spread and suppression using the discrete event system specification (DEVS) cellspace approach. The event-based modeling approach allows for timely simulation-based predictions of forest fire spread and suppression in uniform and non-uniform environmental conditions. This paper proposes a conceptual model for a coupled forest ...

متن کامل

EFFICIENT ALGORITHMS FOR WILDLAND FIRE SIMULATION by VOLODYMYR Y. KONDRATENKO

In this dissertation, we develop the multiple-source shortest path algorithms and examine their application importance in real world problems, such as wildfire modeling. The theoretical basis and its implementation in the Weather Research Forecasting (WRF) model coupled with the fire spread code SFIRE (WRF-SFIRE model) are described. We present a data assimilation method that gives the fire spr...

متن کامل

Simulation of Metro Train Fire in an Underground Station of Tehran Metro Line 7

In this research a fire scenario was simulated in one of the stations of the line 7 of Tehran's subway system. The Line 7 is under construction and the ventilation system is under design. Fire was set for a stopping metro train at the platform of the station. A 160 meter length eight-car metro train with the forth wagon on the fire was studied. The heat release rate is based on a quadratic f...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2012