Measurement and Model Validation of Specific Heat of Xanthan Gum Using Joules Calorimeter Method

Muthamizhi, K.

doi:10.15623/ijret.2013.0209035

Cited by 5 publications

(2 citation statements)

References 22 publications

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“…Higher specific heat means that the energy required to raise the temperature of the oil is also higher per unit mass. In another study by Muthamizhi et al (2013), the phenomenon of an increase in the specific heat of xanthan gum during heating occurs due to the expansion of the material, which makes a small amount of heat flow to the expanding part. Therefore, the existence of a prototype DAQ device is expected to be an affordable solution for measuring and modeling the specific heat of liquid foods at various temperatures using Joule's law experiments and Newton's correction.…”

Section: Performance Test Of Daq Device Prototype In Specific Heat De...mentioning

confidence: 99%

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Arduino-Based Data Acquisition Device Design for Specific Heat Determination of Hot Vegetable Oil

Kusuma

Radi²,

Saputro³

2023

JTEP-L

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Vegetable oil is commonly used for cooking and frying at high temperatures. Information on the oil's specific heat in a process can help estimate the time and energy spent to reach a particular temperature. However, finding an accurate and affordable instrument for measuring specific heat at high temperatures was complex. This study aimed to design a prototype data acquisition device (DAQ) that can support the specific heat of high-temperature vegetable oil determination using the Joule experiment and Newton's correction. This study had two stages: prototype design/construction and prototype testing. The DAQ prototype consisted of a PZEM-003 power sensor, a PT100 temperature sensor, a relay, and an Arduino Mega 2560. The measurement results were displayed on an LCD and recorded in Microsoft data streamer. The prototype was tested by comparing the temperature, voltage, and current with commercial instruments resulting in accuracy and precision of 99.97% (99.95%), 99.97% (99.86%), and 99.99% (99.86 %), respectively. Performance tests showed that the specific heats of canola, corn, and sunflower oils at 100°C based on DAQ data analyzed separately were 2.119 J/kg.°C, 2.082 J/kg.°C, and 2.458 J/kg, respectively. The specific heat values were close to those in the reference, with an accuracy of 94.22%, 97.29%, and 99.80%, respectively. Keywords: ATmega2560, DAQ, Heat capacity, Hysteresis, Vegetable oil

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Section: Performance Test Of Daq Device Prototype In Specific Heat De...mentioning

confidence: 99%

“…The application of the joule calorimeter method is reported to have succeeded in measuring the specific heat of foodstuffs (Muthamizhi et al, 2013). This method utilizes the conversion of electrical energy into thermal energy, which causes an increase in the temperature of the sample.…”

Section: Introductionmentioning

confidence: 99%