Abstract
Honge oil methyl ester (HOME) with B-20 blend is considered to examine thermal con- ductivity and thermal degredation of the biodiesel. Transient hot wire method is adopted to determine thermal conductivity of the samples.Heat source is clubbed with C-DAQ and LAB-VIEW software is utilized to record temperature and time. Following Sastry’s power law model, an improved emperical relation is developed for thermal conductivity of HOME with B-20 blend. Thermogravitometry (TG-DTG) analysis is performed under atmospheric condi- tions with 10°C/min heating rate of pure air flow.Diesel is exhibited one mass loss event from 55–334°C, whereas two mass loss event in case of biodiesel. Maximum decoposition tem- perature noticed for diesel,HOME andB-20 blend are 195°C, 227°C and 175°C respectively. Complete mass degradation takes place for diesel and HOME at 498°C, in case of HOME with B-20 blend complete mass degradation occurred at 377°C.
Highlights
Depletion of oil reserves motivated the researchers on alternative energy resources
Transient hot wire method is adopted for measuring the thermal conductivity with nichrome wire as heat source which is immersed in sample
This article presents the experiemntal studies made on thermal conductivity and thermal degredation of Diesel,Honge oil methyl ester (HOME) and its B-20 blend
Summary
For the past couple of decades studies indicated on the use of pure vegetable oils in diesel engine or burners [1,2,3]. Transient hot wire method is adopted for measuring the thermal conductivity with nichrome wire (cylindrical) as heat source which is immersed in sample. Several authors studied the different methods for measurement of thermal conductivity among all of them transient hot wire is preferred because of its simple design, accuracy and time response. Since the pongamia seed are available thought the year its seeds (kernel) is having 38% of oil content [14, 15] Properties of these biodiesel matches well with the diesel as discussed in table 1. In the Thermogravitometry experimentation alumina crucible pan (Al2O3) has considered with atmospheric air as inert gas and oxygen as purge gas
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