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Effect of Temperature and Power Frequency on Milk Fouling in an Ohmic Heater

Paper ID Volume ID Publish Year Pages File Format Full-Text
19583 43078 2006 6 PDF Available
Title
Effect of Temperature and Power Frequency on Milk Fouling in an Ohmic Heater
Abstract

Ohmic heating has an advantage over conventional indirect heating methods because heater (electrode) surfaces temperatures are comparatively lower as heat is generated within bulk fluid. However, it is difficult to sustain this advantage over time. As soon as fouling takes place, electrode temperature starts rising and eventually it becomes higher than bulk fluid temperature. In this study, we have analysed the changing temperature profile and its impact on the fouling process during thermal processing of milk in a cylindrical ohmic heater. Furthermore, the impact of power supply frequency on the corrosion of electrode surfaces and in turn on fouling has also been investigated. The use of a 10 kHz power supply is observed to reduce corrosion and result in less fouling compared with a 50 Hz mains power supply.

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Effect of Temperature and Power Frequency on Milk Fouling in an Ohmic Heater
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 84, Issue 4, December 2006, Pages 286-291
Authors
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us