Inverse problem solution for estimating gas content and gas diffusion coefficient of coal

被引：9

作者：

Nazarova, L. A. ^{[1
]}

Nazarov, L. A. ^{[1
]}

Polevshchikov, G. Ya. ^{[2
]}

Rodin, R. I. ^{[2
]}

机构：

[1] Russian Acad Sci, Siberian Branch, NA Chinakal Inst Min, Novosibirsk 630091, Russia

[2] Russian Acad Sci, Siberian Branch, Inst Coal, Kemerovo 650065, Russia

来源：

JOURNAL OF MINING SCIENCE | 2012年 / 48卷 / 05期

关键词：

Coal; gas content; diffusion coefficient; inverse problem; data interpretation; experiment; FILTRATION; SEAMS;

D O I：

10.1134/S1062739148050024

中图分类号：

TD [矿业工程];

学科分类号：

0819 ;

摘要：

The authors suggest the method of interpreting experimental data on gas pressure in a pressure flask containing a coal specimen, that allows defining gas content and gas diffusion coefficient of coal. The offered method is based on solving an inverse problem for a set of diffusion equations each fitting a certain size within the coal specimen grain-size composition. The numerical experiments have shown that a quantitative estimate of gas content has error not higher than a few per cents, even with input data distortion.

引用

页码：781 / 788

页数：8

共 50 条

[1] Inverse problem solution for estimating gas content and gas diffusion coefficient of coal
L. A. Nazarova
L. A. Nazarov
G. Ya. Polevshchikov
R. I. Rodin
Journal of Mining Science, 2012, 48 : 781 - 788
[2] Estimating diffusion-capacity parameters of a coal bed using the gas pressure measured in a hole and the solution of an inverse problem
Nazarova L.A.
Nazarov L.A.
Karchevsky A.L.
Vandamme M.
Journal of Applied and Industrial Mathematics, 2014, 8 (2) : 267 - 273
[3] Determining the diffusion coefficient of gas diffusion in coal: Development of numerical solution
Wang, Gongda
Ren, Ting
Qi, Qingxin
Lin, Jia
Liu, Qingquan
Zhang, Jian
FUEL, 2017, 196 : 47 - 58
[4] ON ONE SOLUTION OF COEFFICIENT INVERSE PROBLEM FOR NONSTATIONARY FILTRATION OF OIL AND GAS IN RESERVOIR
ABASOV, MT
AZIMOV, EK
IBRAGIMOV, TM
DOKLADY AKADEMII NAUK SSSR, 1991, 318 (03): : 566 - 569
[5] The coal-gas system - the effective diffusion coefficient
Skoczylas, Norbert
Topolnicki, Juliusz
INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY, 2016, 12 (04) : 412 - 424
[6] Gas diffusion model of coal particle based on dynamic diffusion coefficient
Zhang, Lulu
Wei, Jianping
Wen, Zhihui
Wang, Dengke
Song, Dazhao
Wang, Honglei
Zhongguo Kuangye Daxue Xuebao/Journal of China University of Mining and Technology, 2020, 49 (01): : 62 - 68
[7] Gas content derivative data versus diffusion coefficient
Alves Rodrigues, Cristina Fernanda
Pimenta Dinis, Maria Alzira
Lemos de Sousa, Manuel Joao
ENERGY EXPLORATION & EXPLOITATION, 2016, 34 (04) : 606 - 620
[8] Effect of coal moisture content on gas desorption and diffusion: A theoretical model and numerical solution
Wang, Gang
Han, Zongxiang
Xu, Hao
Peng, Shoujian
Huang, Qiming
Long, Qingming
PHYSICS OF FLUIDS, 2024, 36 (07)
[9] DIRECT AND INVERSE PROBLEM FOR GAS DIFFUSION IN POLAR FIRN
Moufawad, Sophie
Nassif, Nabil
Triki, Faouzi
COMMUNICATIONS ON ANALYSIS AND COMPUTATION, 2024, 2 (01): : 71 - 109
[10] Coal particle size-dependent gas diffusion coefficient
Wei, Chenhui
CHEMICAL ENGINEERING JOURNAL, 2024, 493

← 1 2 3 4 5 →