Vol. 11, Special Issue 12 (2022)

Author(s):
Suraj Kumar, Dilip Kumar, Shailesh Kumar Markam and Akash Patel

Abstract:
The production of jaggery (Generally known as “Gur”) is one of the most traditional processes generally produces in cottage industries. In the last few years there has been an increase in the exports of jaggery and higher volumes of production are required driving this activity from a rural process with small production to an industry seeking greater productivity. In this framework, optimization of the use of energy becomes essential for the proper development of the process of production and the correct performance of the involved equipment. In Indian Institute of sugarcane research (IISR), Lucknow has been developed a new three pan furnace for jaggery making. The heat exchangers containing sugarcane juice are placed over a flue gas duct. The thermal energy contained in the gas is used to evaporate the water contained in the sugarcane juice thickening the juice and after evaporating almost all the water, a pasty crystalline yellow substance is left in the boiling pan which becomes solid after cooling, this is the jaggery. The modelling and simulation of heat transfer between the combustion gases and the juice is very important in order to improve the thermal efficiency of the process. It permits to know with a high level of detail the physical phenomena of heat transfer occurring from bagasse combustion flue gases to sugarcane juice. This paper presents the results of the numerical simulation of heat transfer phenomena in the open heat exchangers and those results are compared to experimental research work data.