Eventos Anais de eventos
ENCIT 2018
Brazilian Congress of Thermal Sciences and Engineering
Boiling comparative analysis in metallic container and vitreous container
Submission Author:
Levy Jacob , CE
Co-Authors:
Levy Jacob, Edson Lopes, Joao Duarte, Mateus Andreazza Araújo Leite, CLAUDIO MATHEUS SILVA LOBATO FERREIRA, RICARDO GOMES FELIX JUNIOR
Presenter: Levy Jacob
doi://10.26678/ABCM.ENCIT2018.CIT18-0673
Abstract
The purpose of this paper is to detail and compare the boiling process, highlighting how it is affected by the material in which the boiling occours and reinforce that the water does not boil only at 100°C as largely believed by the general population. The tests were performed using an iron pan coated with Teflon, a 1L capacity beaker, a six-burners Samoa Esmaltec cooker, a Minipa ET-2082C multimeter and a copper-constantan thermocouple wire. All the tests were made in the same burner of the stove, with a average power of 1.45 kW; the analysis shows that the fluid reached 101.666 °C in 25 minutes when boiled in glass and 96.666 °C in 12 minutes when boiled in a metallic container. Also, because of the teflon coating when boiled using the metallic vassel, there were higher amouts of bubbles formation and a higher loss of liquid volume at the end of the boiling.
Keywords
Boiling Point, Boiling Comparisson, Glass, Metal, Thermal Analysis
