Article

Mohalik, N.K. and Khan, Asfar M. and Kumar, A. and Ray, S.K. and Mishra, Debashish and Verma, N.K. and Sahay, N. (2019) Optimization of ventilation system for prevention of spontaneous heating/fire during extraction of thick coal seam - a CFD approach. Journal of Mines, Metals & Fuels, 67 (10). pp. 452-460. ISSN 0022-2755

Mohalik, N.K. and Mishra, Debashish and Ray, Santosh Kumar and Varma, N.K. and Khan, A.M. and Sahay, N. (2019) Laboratory Investigation to Assess Spontaneous Combustion/Fire During Extraction of Thick Coal Seam. Journal of The Institution of Engineers (India): Series D. pp. 1-14. ISSN 2250-2122 (In Press)

Sahay, N. and Sinha, A. (2014) Dealing with open fire in an underground coal mine by ventilation control techniques. Journal of the South African Institute of Mining and Metallurgy , 114 (6). pp. 445-453. ISSN 0038-223X

Sahay, N. and Sinha, A. (2013) Best practices to deal fire in Indian coal mines. Journal of Mines, Metals & Fuels, 61 (7&8). pp. 264-269. ISSN 0022-2755

Pranita, Ms. and Ahmad, I. and Sahay, N. (2010) Laboratory studies on air Permeability to find suitability of fly ash and over burden materials for filling of voids in fire affected mine. Journal of Mines, Metals & Fuels, 58 (1&2). pp. 24-26. ISSN 0022-2755

Ahmad, I. and Sahay, N. and Varma, N. K. and Sinha, A. (2009) Application of High expansion nitrogen foam to control mine fire – a case study. Journal of Mines, Metals & Fuels, 57 (11). pp. 390-398. ISSN 0022-2755

Sahay, N. and Ahmad, I. and Varma, N. K. and Sinha, A. (2009) Assessment of status and extent of fire in abandoned coalmines – a case study. Journal of Mines, Metals & Fuels, 57 (11). pp. 406-412. ISSN 0022-2755

Varma, N. K. and Sahay, N. and Ahmad, I. and Sinha, A. (2009) Significance of ventilation system design on fire with special reference to extensive and fire affected mine. Journal of Mines, Metals & Fuels, 57 (11). pp. 413-417. ISSN 0022-2755

Sahay, N. and Sinha, A. and Ahmad, I. and Varma, N. K. (2008) Control of open fire in underground at Noonidih-Jitpur colliery, SAIL [steel plant]. Journal of Mines, Metals & Fuels, 56 (12). pp. 241-248. ISSN 0022-2755

Sahay, N. (2008) A liability index for proneness of coal towards spontaneous heating based on critical temperature. Journal of Mines, Metals & Fuels, 56 (7&8). pp. 115-121. ISSN 0022-2755

Ahmad, I. and Sahay, N. and Kumar, Anjanee (2008) Application of high expansion foam to control fire in coal miens. Indian Mining & Engineering Journal , 47 (1). pp. 20-24. ISSN 0019-5944

Ahmad, I. and Sahay, N. and Varma, N.K. and Bhowmick, B.C. (2006) Safety Chamber - a Tool for Safe Refuge during Emergency in Mines. Journal of the Institution of Engineers (India), 87. pp. 3-6. ISSN 0257-442X

Ahmad, I. and Sahay, N. and Varma, N.K. and Singh, V.K. (2006) Optimization of Inhibitor Concentration to Prevent Spontaneous Heating in Coal for Techno-Economic Benefits - a Case Study. Journal of the Institution of Engineers (India), 86. pp. 37-31. ISSN 0257-442X

Sahay, N. and Varma, N. K. and Ahmad, I. (2006) Critical temperature - an approach to define proneness of coal towards spontaneous heating. Journal of Mines, Metals & Fuels, 54 (1&2). pp. 29-35. ISSN 0022-2755

Ray , S.K. and Bandopadhyay, L.K. and Singh, R. P. and Sahay, N. and Ahmad, I. and Bhowmick, B.C. (2006) Microprocessor based flow meter for measuring flow rate of cryogenic liquids. Journal of Scientific & Industrial Research , 65 (1). pp. 42-46. ISSN 0022-4456

Sahay, N. and Ahmad, I. and Varma, N. K. (2005) Assessment of sealed off area for reopening - an approach. Indian Mining & Engineering Journal , 44 (10). pp. 29-32. ISSN 0019-5944

Singh, R. P. and Ray , S.K. and Singh, Arvind Kumar and Varma, N. K. and Sahay, N. (2005) Studies on Spontaneous Heating Behaviour of Coal. Journal of Mines, Metals & Fuels. pp. 105-110. ISSN 0022-2755

Singh, R. P. and Ray , S.K. and Sahay, N. and Bhowmick, B.C. (2004) Study on Application on Fire Suppression Techniques Under Dynamic Fire Conditions. Journal of the South African Institute of Mining and Metallurgy , 104 (12). pp. 607-616. ISSN 0038-223X

Sahay, N. (2004) A study on propensity of coal towards spontaneous heating. Indian Mining & Engineering Journal , 43 (8&9). pp. 34-37. ISSN 0019-5944

Ray , S.K. and Singh, R. P. and Sahay, N. and Varma, N. K. (2004) Assessing the Status of sealed fire in underground coal mines. Journal of Scientific & Industrial Research , 63 (7). pp. 579-591. ISSN 0022-4456

Sahay, N. and Varma, N. K. (2004) Determination of air permeability of coal pillars in underground coalmines. Journal of Mines, Metals & Fuels, 52 (5&6). pp. 90-94. ISSN 0022-2755

Singh, R. P. and Ray , S.K. and Sahay, N. (2004) Model study on dynamics of open fire in underground coal mines under varied air flow. Journal of Mines, Metals & Fuels, 52 (5&6). pp. 102-108. ISSN 0022-2755

Singh, Arvind Kumar and Ahmad, I. and Sahay, N. and Varma, N. K. (2004) Air leakage through underground ventilation stoppings and in situ assessment of air leakage characteristics of remote filled cement concrete plug by tracer gas technique. Journal of the South African Institute of Mining and Metallurgy , 104 (2). pp. 101-106. ISSN 0038-223X

Ray , S.K. and Bandopadhyay, L.K. and Sahay, N. and Singh, R. P. and Ahmad, I. (2004) Microprocessor based dynamic pressure neutralization system for control of fire in sealed-off area in underground coal mines. Journal of Scientific & Industrial Research , 63 (3). pp. 297-304. ISSN 0022-4456

Sahay, N. and Ray , S.K. and Ahmad, I. and Varma, N. K. and Singh, R. P. (2003) Improvement in Ventilation in a fire affected Mine. Journal of the South African Institute of Mining and Metallurgy , 103. pp. 465-476. ISSN 0038-223X

Sahay, N. and Varma, N. K. and Ahmad, I. and Singh, Arvind Kumar and Ray , S.K. and Singh, R. P. (2002) Chamber method of ventilation - a proven technology for reducing leakage of air into the goaf. Journal of Mines, Metals & Fuels, 50 (9). pp. 345-350. ISSN 0022-2755

Ray , S.K. and Sahay, N. and Singh, R. P. and Singh, Arvind Kumar and Bhowmick, B.C. (2002) Reversal of underground mine ventilation. Journal of Mines, Metals & Fuels, 50 (9). pp. 339-344. ISSN 0022-2755

Singh, Arvind Kumar and Sahay, N. and Ahmad, I. (2002) Role of inorganic compounds as inhibitor in diminishing self - heating phenomena of Indian coal. Journal of Mines, Metals & Fuels, 50 (9). pp. 356-359. ISSN 0022-2755

Ahmad, I. and Sahay, N. and Varma, N. K. and Singh, V.K. (2002) Spontaneous heating problem in BG panels - a major constraint in coal extraction in SCCL mines. Journal of Mines, Metals & Fuels, 50 (9). pp. 351-355. ISSN 0022-2755

Ray , S.K. and Bhowmick, B.C. and Sahay, N. and Singh, R. P. (2000) Fighting mine fires using gases with particular reference to nitrogen. Journal of the South African Institute of Mining and Metallurgy , 100 (4). pp. 265-272. ISSN 0038-223X

Bhowmick, B.C. and Sahay, N. and Ahmad, I. and Verma, S.M. (2000) Significant improvement in effectiveness of nitrogen infusion technology for control of fire by dynamic balancing of pressure —A case study of powered support longwall face. CIM Bulletin, 93 (1038). pp. 74-80. ISSN 0317-0926

Sahay, N. and Bhowmick, B.C. and Ahmad, I. and Verma, S.M. and Singh, R. P. (1999) Multi-zonal ventilation - a cost effective system for improvement of climatic condition in coal mines. Journal of Mines, Metals & Fuels, 47 (11). pp. 292-297. ISSN 0022-2755

Bhowmick, B.C. and Verma, S.M. and Sahay, N. and Ahmad, I. (1992) Dynamic Balancing of Pressure for Control of Fire in Underground Coal Mines. Journal of Mining Research , 1 (1). pp. 91-102. ISSN 0971-1899

Gupta, M.L. and Varma, N. K. and Sahay, N. (1987) Study of simple auxiliary Ventilation installation. Journal of Mines, Metals & Fuels, 35 (8). pp. 347-353. ISSN 0022-2755

Gupta, M.L. and Sahay, N. and Varma, N. K. (1985) Concepts in design of auxiliary ventilation system. Journal of Mines, Metals & Fuels, 33 (8). pp. 363-368. ISSN 0022-2755