International Journal of Engineering Research

B. Chinna Ankanna ¹, B. Sidda Reddy ¹

Affiliations
1 School of Mechanical Engineering, RGMCET, Nandyal, IN

Abstract

In the present days Heat exchangers are the important engineering systems with wide variety of applications including power plants, nuclear reactors, refrigeration and air-conditioning systems, heat recovery systems, chemical processing and food industries. Helical coil configuration is very effective for heat exchangers and chemical reactors because they can accommodate a large heat transfer area in a small space, with high heat transfer coefficients. This paper focus on an increase in the effectiveness of a heat exchanger and analysis of various parameters that affect the effectiveness of a heat exchanger and also deals with the performance analysis of heat exchanger by varying various parameters like number of coils, flow rate and temperature. The results of the helical tube heat exchanger are compared with the straight tube heat exchanger in both parallel and counter flow by varying parameters like temperature, flow rate of cold water and number of turns of helical coil.

Keywords

Helical Coil Tube Heat Exchangers, Parallel Flow, Counter Flow, Flow Rate of Cold Water, and Number of Turns in Helical Coil.

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M. Khaja Gulam Hussain ¹, B. Chinna Ankanna ¹

Affiliations
1 School of Mechanical Engineering, RGMCET, Nandyal, IN

Abstract

A methodology has been developed to generate process plans using a Genetic Algorithm (GA) approach based on the predefined precedence relations of manufacturing features. This introduces significant improvements to the utilization of the manufacturing facilities through the reduction in schedule conflicts, reduction of flow-time and work-in-process, increase use of production resources. GA is capable of performing multiobjective optimization based on minimum production cost or minimum processing time. Based on the objective selected, optimal solutions were obtained using the GA.

Keywords

Computer Aided Process Planning, Computer Aided Design, Computer Aided Manufacturing Computer Integrated Manufacturing, Group Technology, Matrix Laboratory, Excel Spread Sheet.

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