ME 469 REFRIGERATION AND AIR-CONDITIONING

ME 469 REFRIGERATION AND AIR-CONDITIONING

Refrigeration Devices - Expansion devices- Evaporators - condenser and cooling towers-capacity-system balancing- types of refrigerating compressors- Air – Conditioning

Effective temperature, comfort conditions - Psychrometry, Psychrometer, Psychometric processes

Air - Conditioning cycles-Design-Duct design and selection of fan or blower, Fluidized bed drying system, design of freezers and cold storages—Applications

Modern techniques in food preservation -IQF techniques, LN2 sprays Air-conditioning systems.

TEXTBOOK

1.Manohar Prasad "Refrigeration and Air-conditioning", New Age International, 1996.
REFERENCES

1.Kothandaraman, C.P. "Refrigeration and Air-conditioning", Dhanpat Rai and Sons, 1991.

2.Arora, S.C. and Domkundwar, S. "Refrigeration and Air- Conditioning", Dhanpat Rai

and Sons, New Delhi, 1997.

PR 468 MANUFACTURING COSTS AND ANALYSIS

Cost Estimation Function- importance of estimation -purpose of estimation- types of costs- types of estimates- Break-even Analysis

Methods and Control For Cost Estimation-cost request from marketing, product engineering, and manufacturing engineering. Estimating methods-controlling estimate deviations

Estimating Procedure- part analysis - preliminary manufacturing plan-total manufacturing and selling price

Estimation Of Fabrication Cost- estimating welding, forging and plastic parts costs-

Estimation Of Machining Cost-Estimating machining costs - capital cost and inventory criteria - common criteria for comparing economic alternatives - cost - benefit analysis.

Understanding quality, quality, competitiveness and customers, building quality chains, managing quality, quality in all functions, models and frame works for total quality management, Early TQM frameworks – quality award models – the four Ps and three Cs of TQM - a new model for TQM.  

Design, innovation and improvement – the design process – quality function deployment (QFD) – the house of quality – specifications and standards - design in the service sectors – failure mode effect and criticality analysis (FMECA) – The links between good design and managing the business.   

Human Resource Management - Introduction – strategic alignment of HRM policies – effective communication – employee empowerment and involvement – training and development – teams and team work – review, continuous improvement and conclusions – organizing people for quality – quality circles or kaizen teams.                                    

Quality and Environmental Management Systems: Benefits of ISO registration  - ISO 9000 series of standards ISO 9001 requirements – implementation – documentation – writing the documents – internal audits – registration  - ISO 14000 series standards – concepts of ISO 14001 – requirements of ISO 14001 – benefits of EMS – integrating ISO 14000 with ISO 9000 – relationship between health and safety.              

1.     Oakland J S, “Total Quality Management - Text with Cases”, Butterworth – Heinemann – An Imprint of Elseiver, First Indian Print, 2005.

2.     Besterfield D H et al, “Total Quality Management”, Pearson Education Private Limited, 2004.

PR 222 Production Technology - II

Lathes. Capstan and ferret lathe. Drilling and boring machine. Classification. Principles of working components. Work holding and tool holding devices.

Shaper, planner and slotter machines. Classification. Principles of working components. Work holding & tool holding devices.

Milling. Hobbing. Broaching. Grinding machines. Classification. Principles of working components. Work holding & tool holding devices.

NC & CNC machine tools and manual part programming. Machining centre. Turning centre. NC part programming.

Computer aided part programming. APP : Post processors. APT programming. Motion statements. Additional APT statements.

1. 
   Khanna,O.P., and Lal,M., " A Text Book of Production Technology" , Vol II , Dhanpat Rai & Sons.
   
2. 
   Yoram Koren, " Computer Control of Manufactuting Systems " , McGraw Hill.
   
3. 
   Choudhry, S.K.H., "S.K.H.,Elements of Work Shop Technology, VoL II", MPP. 1.
   
4. 
   HMT , "Production Technology" , Tata McGraw Hill ,
   
5. 
   Kundra, T.K., Rao., P.N., and Tiwari,NLK.,, "Numerical Control and Computer Aided Manufacturing", Tata McGraw Hill.
   

Transportation & assignment models -Mathematical model for Transportation problem –balanced and unbalanced problem –Assignment problem.

Queuing theory & sequencing - applications of queuing model -single and multi server model.

Decision theory and replacement analysis.

Project scheduling -project network - determination of critical path, project duration and slack time calculation - Cost considerations in project scheduling.

 

REFERENCES

1. 
   Gupta and Hira, Problems on operations research, S.Chand & Co.Ltd., New Delhi, 1991.
   
2. 
   Taha H.A., Operations research, Prentice – Hall of India, New Delhi,2001.
   
3. 
   Panneerselvam, R, Operations Research, Prentice – Hall of India, New Delhi, 2002
   

Columns Long column – Euler’s Theory – Short column – Empirical formulae – Torison of Circular shafts – Hollow Shafts – Power transmission

Vapour Pressure – Pressure at a point its variation – Measurement with Piezometer, manometers and gauges.

Continuity equation in one dimension – Bernoulli’s equation – Venturimeters and Orificie meters – Flow through pipes – Laminar Turbulent flow Major losses.

Pumps – General principles of displacement and Centrifugal pumps – Efficiency and Perofrmance Curves of Pumps – Caviation in Pumps – Turbines – Efficiency – Governing of turbines.

1. 
   Ramamirtham, S., `Strength of Materials ', Dhanpat Rai and Sons, New Delhi, 2003.
   
2. 
   Rajput , R.K., ‘Strength of Materials ‘, S.Chand & Co Ltd., New Delhi, 1996.
   
3. 
   Nagarathnam, S. ‘Fluid Mechanics’, Khanna Publishers,New Delhi, 1995