Jan - April 2014 (RTSRT)
Journal of
Industrial Safety Engineering (JoISE)
May - August 2014
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Dr. Ali Mohammad Kimiagari Associate Professor, Dept.of Industrial Engineering, Amirkabir University of Technology, Tehran, Iran.
Dr. Arun Kumar Department of Mechanical Engineering, KLS Gogte Institute of Technology, Belgaum, Karnataka, India.
Dr. G. S. Prakash Professor and Head, Dept. of Industrial Engineering & Management, M.S. Ramaiah Institute of Technology, Bangalore, India.
Dr. Jagadeesh Ganjigatti Professor, Dept. of Industrial Engineering & Management, Siddaganga Institute of Technology, Karnataka, India.
Dr. Kalyan Kumar Das Associate Professor, Dept. of Mechanical Engineering Assam Engineering College, Guwahati, India.
Dr. Kanakuppi Sadashivappa Professor, Bapuji Institute of Engineering & Technology , Davangere, Karnataka, India.
Dr. M.N. VinodKumar Professor, Division of Safety and Fire Engineering, School of Engineering, CUSAT, Cochin, India.
Dr. N. H. Tekwani Associate Professor & Head. Lukhirji Engineering College Morbi, Rajkot, Gujrat, India.
Dr. N. S. Narahari Dean –Department of Placement & Training & Department of IEM, R.V. College of Engineering, Bangalore, India.
Mr. Sarabjit Singh Lecturer, Dept. of Industrial and Production Engineering, Dr B R Ambedkar National Institute of Technology, Punjab, India.
Dr. Subhas Chandra Panja Associate Professor, Department of Mechanical Engineering, Jadavpur University, Kolkata, India.
Dr. Sudip Kumar Deb Professor, Faculty of Mechanical Engineering and Production & Industrial Engineering, Assam Engineering College, India.
Director's Desk
STM JOURNALS
I take the privilege to present the print version for the Volume 1 Issue (2) of Journal of Industrial Safety Engineering. The intension of JoISE is to create an atmosphere that stimulates creativeness, research and growth in the area of Industrial Safety Engineering. The development and growth of the mankind is the consequence of brilliant Research done by eminent Scientists and Engineers in every field. JoISE provides an outlet for Research findings and reviews in areas of Industrial Safety Engineering found to be relevant for National and International recent developments & research initiative. The aim and scope of the Journal is to provide an academic medium and an important reference for the advancement and dissemination of Research results that support high level learning, teaching and research in the domain of Industrial Safety Engineering. Finally, and Authors for their continued support and invaluable contributions and suggestions in the form of authoring I express my sincere gratitude and thanks to our Editorial/ Reviewer board write ups/ reviewing and providing constructive comments for the advancement of the journals. With regards to their due continuous support and co-operation, we have been able to publish quality Research/Reviews findings for our customers base. I hope you will enjoy reading this issue and we welcome your feedback on any aspect of the Journal.
Dr. Archana Mehrotra Director STM Journals
Journal of Industrial Safety Engineering
Contents
1. Chlorine Leakage from Control Valve in Charging Station Pipeline: A Case Study Rajkumar Patil, S. N. Teli, L. M. Gaikwad
1
2. Reliability Analysis using Fault Tree Criterion: A Case Study of Inlet Guide Valve of Centrifugal Air Compressor Tushar J. Padave, Alok P. Tibrewala
7
3. Assessment of Heat Stress and Noise Intensity Level in Workplace Area of the Iron Foundry Somnath Sen, B Ravichandran, A Manju, M Palanivel, S Deepa
13
Journal of Industrial Safety Engineering Volume 1, Issue 2 www.stmjournals.com
Chlorine Leakage from Control Valve in Charging Station Pipeline: A Case Study Rajkumar Patil, S. N. Teli, L. M. Gaikwad* Mechanical Engineering Dept., SCOE, Navi Mumbai, India Abstract This paper describes accidental release of chlorine gas from control valve through a chlorine charging system in a green color pigment manufacturing chemical industry. The chlorine gas dispersed over the entire reactor floor and nearby area at night time shift work. This paper presents root cause analysis of the incident. Corrective and preventive measures are also discussed. Finally, conclusions reached with recommendations are drawn for industrial facilities for handling and prevention of chlorine.
Keywords: Chlorine, control valve, leakage
JoISE (2014)Š STM Journals 2014. All Rights Reserved
Journal of Industrial Safety Engineering Volume 1, Issue 2 www.stmjournals.com
Reliability Analysis using Fault Tree Criterion: A Case Study of Inlet Guide Valve of Centrifugal Air Compressor Tushar J. Padave*, Alok P. Tibrewala Mechanical Engineering, University of Pune, India Abstract Inlet guide valves (IGVs) are one of the most important components in centrifugal air compressors. Evaluating and analyzing the workings and potential failures of IGV ensures efficient working of centrifugal air compressor by eliminating the potential failure modes. Also, analyzing the risk of the component helps in ensuring reliability and safety, which can in turn ensure higher availability and utilization of the system as a whole. Reliability of IGV will directly affect the safety and operational availability of the centrifugal air compressor. This paper includes the basic concept behind inlet guide vane and fault tree analysis (FTA). Also included is the qualitative FTA of the IGV actuation mechanism. Keywords: fault tree analysis, centrifugal air compressor, inlet guide valve, reliability analysis
JoISE (2014)Š STM Journals 2014. All Rights Reserved
Journal of Industrial Safety Engineering Volume 1, Issue 2 www.stmjournals.com
Assessment of Heat Stress and Noise Intensity Level in Workplace Area of the Iron Foundry Somnath Sen1*, B Ravichandran1, A Manju2, M Palanivel2, S Deepa2 1
Industrial Hygiene &Toxicology Division, Regional Occupational Health Center (Southern), Poojanahalli Road, Kannamamgala Post, Devanahalli TK, Bangalore, India 2 Department of Environment Science, PSG College of Arts & Science, Coimbatore, India
Abstract The aims of this study were to measure the workplace heat stress and noise intensity levels in different sections of the foundries. The study was carried out in a small industrial city of southern peninsular of India, known for cluster of foundry establishments. The heat and noise level were measured in melting, fettling, gas cutting, heat treatment furnace, and administrative sections measuring the dry bulb temperature(TDB °C), wet bulb temperature (TWB °C), globe temperature(TG °C), wet bulb globe temperature(WBGT °C), and the relative humidity(RH%) at the work places. The noise level measurements were also carried out using portable integrated sound level meter. Extremely high levels of WBGT index was found in gas cutting section with an average of 33.73 °C followed by 29.68 °C in melting unit. The mean WBGT mean values obtained in other sections were, 28.37 °C in heat treatment, 28.25 °C in fettling and 25.84 °C in administrative sections respectively. The mean WBGT index levels are significantly higher (p < 0.05) in gas cutting, melting, heat treatment and fettling sections compared to the administrative section. The prescribed standard threshold limit value (TLV) of WBGT level was high in gas cutting, melting, heat treatment and fettling units. The values of equivalent noise levels were under control as per OSHA guidelines in all the process sections. The heat and noise may increase the health risk of worker with reduce the efficiency and consequently affect the production of the unit. The recommendations should be taken as indicative of stress areas and workers should be under constant medical supervision.
Keywords: WBGT index, heat stress, noise, Leq, foundry, workplace hazards
JoISE (2014)© STM Journals 2014. All Rights Reserved