Analysis of forward combustion underground coal gasification models

Technical Report · Sun Jan 01 04:00:00 EST 1984

OSTI ID:6087725

Fausett, L K; Fausett, D W

A survey has been made of forward combustion gasification models that are available in the public domain. The six models obtained for study have been mathematically analyzed to determine their conceptual completeness and computational complexity. The models range in scope of generality from a simple constrained mass balance model to a two-dimensional unsteady-state model. The computer code for each model has been implemented on the University of Wyoming CDC CYBER 730/760 computer system. Computed analyses with each of the programs are compared using data (taken primarily from the Lawrence Livermore National Laboratory (LLNL) Underground Coal Gasification (UCG) Data Base) corresponding to six representative DOE sponsored field experiments at Hanna, Hoe Creek, Rawlins, and Pricetown. Four of the field tests were air injection experiments and two were oxygen/steam injection experiments. This study provides a direct comparison of input data requirements and computer resource requirements of the six computer codes. It furnishes an indication of the applicability of each model to the various operating conditions in the different field tests. Computational capabilities and limitations of each model are discussed in detail. 20 references, 47 figures, 13 tables.

• Research Organization: Wyoming Univ., Laramie (USA)
• DOE Contract Number: FC21-83FE60177
• OSTI ID: 6087725
• Report Number(s): DOE/FE/60177-1696; ON: DE85003286
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
COAL GASIFICATION
COMPARATIVE EVALUATIONS
COMPUTER CODES
COMPUTERIZED SIMULATION
GASIFICATION
IN-SITU GASIFICATION
IN-SITU PROCESSING
L CODES
M CODES
MATHEMATICAL MODELS
PROCESSING
SIMULATION
T CODES
THERMOCHEMICAL PROCESSES
W CODES