Determination of Thermal Diffusivity of Freshwater Fish during Ice Storage by using a One-dimensional Fourier Cylindrical Equation

D. Jain*, P. B. Pathare

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


Thermal diffusivities of Indian major carp Catla (Catla catla) and Rohu (Labeo rohita) fish were determined by using a one-dimensional (1D) Fourier equation applied to a cylinder. Experiments were conducted by cooling the different quantities of individual fish with ice in an insulated box. Time-temperature records were used to determine the thermal diffusivity. The values of thermal diffusivities of fish cooling with ice were ranged from 6·6012 to 3·2475×10-8 m-2 s-1 and 6·6481 to 5·4267×10-8 m-2 s-1 for Catla and Rohu fish, respectively. It was observed that the thermal diffusivity decreases with an increase in the weight of the fish. A logarithmic model adequately described the relationship between thermal diffusivity α and mass of fish m, with values for the coefficient of determination of 0·9949 and 0·9996, and standard errors of 0·088 and 0·0006 for Catla and Rohu fish, respectively.

Original languageEnglish
Pages (from-to)407-412
Number of pages6
JournalBiosystems Engineering
Issue number3
Publication statusPublished - Mar 2007

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Food Science
  • Animal Science and Zoology
  • Agronomy and Crop Science
  • Soil Science

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