Training program on machine. Once the machine is designed and manufactured without due consideration for noise levels, further reduction may be possible in a very few cases- using band-aid Machinery Noise techniques like enclosures, etc. They are not always effective and may prove to be quite expensive. Objectives April 28-29, 2009 The course begins with the presentation of basic principles and measurement of noise. The basic principles are then Venue: IIT Bombay, extended to practical systems that are generally used in industrial environment Mumbai and those, which generally pose noise problems from the viewpoint of customer acceptance. Typical machines, which are discussed in this course, are: motors, transformers, fans, Coordinator pumps, gearboxes, compressors, diesel engines, HVAC systems, mufflers, etc. These form the building blocks of many Prof. Dhanesh.N. Manik practical systems, which require noise reduction. Many practical case studies Introduction are presented in the course, which help appreciate the practical utility of the Industrial noise control has become very course. In addition, a simplified acoustic important from the viewpoint of worker’s software package, developed using health and from the viewpoint of reducing spreadsheets, will be introduced as part annoyance to workers and neighborhood. of the course. Noise is an inevitable by product of any machinery. However, by applying a judicious Course highlights methodology, noise can be significantly reduced, without affecting the basic Fundamentals of noise and its functioning of machinery. The basic measurement, harmful effects of strategies for noise control are: (1) To noise, hearing conservation, etc. integrate noise reduction in the design Measurement of noise and process of a machine by the manufacturer, instrumentation (2) To use objective sound rating Noise control techniques characteristic-sound power, of the machine Materials used for noise reduction. and locate it from the viewpoint of noise Design of ducts and mufflers reduction, (3) Localize noise sources within a Noise reduction of motors, machine, (4) Predict noise levels from transformers, fans and pumps machinery even before they are installed. Noise reduction of gearboxes, diesel engines, compressors, etc. The best way to reduce noise is at the Noise reduction of HVAC systems source. For this to happen, noise reduction Practical case studies should be a part of the design process of the Course Schedule Acoustic Software Time April 28 April 29 A CD-ROM containing EXCEL spreadsheet 0930- Basics of Noise Machinery 1 programs for basic calculations in acoustics 1100 (Motors & will be given as part of the course. Transformers) 1100- Tea Tea Program 1130 April 28-29, 2009 1130- 9.30 hours to 17.30 hours Noise Machinery 2 1300 Measurement (Diesel Engines & Gearboxes) Venue 1300- Lunch Lunch Guest House, IIT Bombay 1400 1400- Case studies on Case studies on Registration 1530 Noise Noise The course fee per participant is Rs. 8000/-. Those desiring to attend the 1530- Tea Tea course can act now by sending the course 1600 fee and details of participants to the 1600- Principles of Machinery 3 convener. Demand draft/Cheque must be 1730 Noise Control (Fans, Pumps, drawn in favour of “The Registrar, IIT Mufflers and Bombay (CEP account) HVAC systems) Who can attend? The course strength will be restricted to 40 participants, on a first come first served basis. Production Managers, Maintenance Engineers, Power Plant Engineers, Last date for receipt of cheque : Product Design Engineers, Plant April 25, 2009 Engineers working in industries All communication should be addressed to: manufacturing Electric Motors, Pumps, Compressors, Air conditioners, Prof. Dhanesh N. Manik Gearboxes, Refrigerators and Professor Automobiles may benefit from this Mechanical Engineering course. Indian Institute of Technology Powai, Bombay 400 076 Lecture Notes A 250 page lecture notes, prepared Telephone using desktop publishing, will be given 022- 2576 7542 (Direct) as part of the course. Detailed contents 98202-12364 (Cell Phone) of the lecture notes can be browsed Fax: 022-25723480 from the website noted below. Email : http://www.me.iitb.ac.in/~dnm/MN_2009 firstname.lastname@example.org Dhanesh_Manik@yahoo.co.in Boarding Lunch and refreshments during the session will be provided to all participants as part of the course. Lodging Subject to availability and prior intimation, the institute guesthouse can provide lodging, on payment by actuals.
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