Entrained-flow gasification at elevated pressure: Quarterly technical progress report No. 2 for the period 1 June 1985 to 31 August 1985

Technical Report · Mon Sep 30 04:00:00 EDT 1985

OSTI ID:7203791

Lindsay, J D; Smoot, L D

The three main tasks of the contract are: (1) entrained coal gasification measurements, which includes elevated pressure tests of four coal types, investigation of injector design, cold-flow measurements in simulated gasifier flows, and investigation of advanced optical diagnostic techniques that could be applied to gasification measurements; (2) improvement of the one- and two-dimensional computer codes for gasification processes, including improvement of physical submodels and numerical methods, and comparison of model predictions with experimental results for code validation; and (3) application of results to industrial and METC needs through technical seminars, expansion of a detailed data book, and distribution of the code to other users, especially METC. Concerning task 1, gasifier measurements, the installation of the BYU gasifier into the new Combustion and Reactions Laboratory was completed, and checkout tests with methane flames were conducted. Elevated pressure tests and injector characterization tests are now planned. Several test coals have been prepared for use in the elevated pressure tests and injector characterization tests. The cold flow test program, which is designed to acquire gasifier flow field data to validate the fluid-mechanics submodel of PCGC-2, has been nearly completed. For task 2, a major revision of the particle dispersion submodel of PCGC-2 is underway in which Lagrangian equations for particle number-density will be solved simultaneously with other Lagrangian variables. Use of these Lagrangian particle density calculations are expected to significantly increase the accuracy of particle phase calculations. Improved accuracy in the char-oxidation kinetic constants used by PCGC-2 has been obtained through rigorous analysis of original data. Under task 3, work is continuing on updating the databook. A command program has been written to make PCGC-2 use more convenient. 31 refs., 9 figs.

• Research Organization: Brigham Young Univ., Provo, UT (USA). Dept. of Chemical Engineering
• DOE Contract Number: AC21-85MC22059
• OSTI ID: 7203791
• Report Number(s): DOE/MC/22059-T2; ON: DE86000525
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
CARBONACEOUS MATERIALS
CHARS
CHEMICAL REACTIONS
COAL
COAL GASIFICATION
COMPUTER CALCULATIONS
COMPUTER CODES
COMPUTERIZED SIMULATION
DATA ANALYSIS
DEVOLATILIZATION
DIAGNOSTIC TECHNIQUES
ENERGY SOURCES
ENTRAINMENT
FLUID MECHANICS
FOSSIL FUELS
FUELS
GASIFICATION
MATERIALS
MATHEMATICAL MODELS
MECHANICS
OXIDATION
P CODES
PYROLYSIS PRODUCTS
RESEARCH PROGRAMS
SIMULATION
TESTING
THERMOCHEMICAL PROCESSES
TWO-DIMENSIONAL CALCULATIONS
VALIDATION
VERY HIGH TEMPERATURE