Experimental investigation of heat transfer in modified finned tube banks arrangement with in line and staggered layout

Experimental investigation of heat transfer in modified finned tube banks arrangement with in line and staggered layout
Author(s):
Abhishek mishra, Prof. NITIN TENGURIA
Keywords:
heat exchangers, Nusselt number, Heat transfer coefficient, inline and staggered arrangement
Abstract
One of the most common equipments that are used in all types of power plants and engines are heat exchangers. FTHEs are widely used in various applications, e.g. ventilating and air-conditioning systems, refrigeration, and car radiators etc. as they own high performance and low space requirement. In this study, the characteristics of the forced convective heat transfer and pressure drop in both inline and staggered arrangements of circular fin cross flow heat exchanger are Experimentally investigated and the effect of mass flow rate on parameters such as Nusselt number, overall heat transfer coefficient, and heat transfer is studied. The air was blown with the velocities 0.2m/s, 1m/s, and 2.3m/s and the corresponding changes in inlet and outlet temperature of hot and cold air was measured. It was found that the Heat transfer (Q), Heat transfer coefficient(h), and Nusselt number(Nu) all increase with the increase in mass flow rate for both the inline and staggered arrangement and inline arrangement results in better heat transfer in this case.
Article Details
Unique Paper ID: 150139 Publication Volume & Issue: Volume 7, Issue 3 Page(s): 67 - 73
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