PEMODELAN PINDAH PANAS  PADA PROSES STERILISASI GUDEG KALENGAN

Asep Nurhikmat; Bandul Suratmo; Nursigit Bintoro; S Suharwadji

doi:10.14710/reaktor.15.1.64-72

DOI: https://doi.org/10.14710/reaktor.15.1.64-72

PEMODELAN PINDAH PANAS PADA PROSES STERILISASI GUDEG KALENGAN

*Asep Nurhikmat - Program doktor teknik Pertanian, Indonesia

Bandul Suratmo - Jurusan Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Gadjah Mada,

Nursigit Bintoro - Jurusan Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Gadjah Mada,

S Suharwadji - Jurusan Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Gadjah Mada,

Published: 5 Mar 2014.

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Abstract

Telah dilakukan penelitian pemodelan pindah panas pada proses sterilisasi gudeg kalengan. Tujuan penelitian adalah untuk mengetahui fenomena pindah panas gudeg kalengan selama sterilisasi. Penelitian dilakukan pada suhu sterilisasi 111; 121 dan 131^oC dengan lama sterilisasi 10; 20 dan 30 menit. Pengamatan dilakukan terhadap nilai F dan tekstur bahan. Simulasi model dilakukan dengan menggunakan MATLAB versi R2010a. Simulasi menghasilkan nilai difusivitas panas (α) bahan sekitar 1.0443x10^-1 mm²/s, nilai koefisien transfer panas (h) adalah 4.1366x10^-2 W/mm²/s dengan sse sekitar 5.4634x10². Selama proses sterilisasi terjadi kenaikan nilai F dan penurunan tekstur. Perlakuan yang paling optimal adalah perlakuan 121^oC selama 20 menit dengan nilai F sekitar 4,32 menit.

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Keywords: Pemodelan pindah panas, Proses sterilisasi, Gudeg kalengan

Funding: UGM

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Article Info

Section: Research Article

Language : INDONESIA

In Volume 15, No.1, APRIL 2014

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