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97753

MILK PASTEURIZATION USING SOLAR CONCENTRATOR WITH TRACKING DEVICE

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Last updated: 04 Jan 2025

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Abstract

Milk pasteurization process consumes a large amount of energy, using of solar energy for pasteurization process reduces the required conventional energy. Experimental study was conducted to equip a solar concentrator with dual axis sun tracking device and utilizing it for milk pasteurization. The tracking device was a closed-loop system, it was worked based on the contrast of sunlight levels using light-dependent resistors (LDRs) and op-amp chip. The thermal system was comprised of solar parabolic dish, energy conversion subsystem, and heat exchanger. The system was able to pasteurize about 260 ml of milk at 73 ˚C in average time 110 seconds. The average hourly productivity of solar pasteurized milk was about 7.5 liters. The tracking device was able to track the motion of sun and keep the solar concentrator in a straight axis to the sun, and it had a feature of the low cost. The results indicated that the tracking device was led to increase of the cumulative daily heat gain by approximately 59 %. The temperature of the absorber plate was reached 190 ˚C with the automatic tracked concentrator while it was 91 ˚C with the non-tracked on March 2016.

DOI

10.21608/mjae.2016.97753

Authors

First Name

M. F.

Last Name

Atia

MiddleName

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Affiliation

Assist. Lecturer of Agric. Eng. Dept., Fac. of Agric., Ain Shams University, Egypt.

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Orcid

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First Name

M. M.

Last Name

Mostafa

MiddleName

-

Affiliation

Emt. Prof. of Agric. Eng. Dept., Fac. of Agric., Ain Shams University, Egypt.

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Orcid

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First Name

M. A.

Last Name

El-Nono

MiddleName

-

Affiliation

Emt. Prof. of Agric. Eng. Dept., Fac. of Agric., Ain Shams University, Egypt.

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Orcid

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First Name

M. F.

Last Name

Abdel-Salam

MiddleName

-

Affiliation

Assist. Prof. of Agric. Eng. Dept., Fac. of Agric., Ain Shams University, Egypt.

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Volume

33

Article Issue

3

Related Issue

14762

Issue Date

2016-07-01

Receive Date

2020-06-24

Publish Date

2016-07-01

Page Start

915

Page End

932

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 33_Issue 3_Pages 915-932.pdf

PDF . 872.6kB

Link

https://mjae.journals.ekb.eg/article_97753.html

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https://mjae.journals.ekb.eg/service?article_code=97753

Order

9

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

MILK PASTEURIZATION USING SOLAR CONCENTRATOR WITH TRACKING DEVICE

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Article

Created At

23 Jan 2023