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97790

EFFECT OF AMBIENT TEMPERATURE AND AIR FLOW RATE ON THE TEMPERATURE INSIDE THE COMPOST PILE

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Last updated: 04 Jan 2025

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Abstract

A heat balance was carried out to predict the compost pile temperature during the maturation stage. The components of the heat generation, solar radiation and heat lost by radiation, evaporation, convection and conduction were the main parts of heat balance at different ambient temperatures. Temperature was predicted at different ambient temperatures (15, 20, 25, 30 and 35°C) and different airflow rates (0.70, 1.10 and 1.50 mg air s-1 kg-1 dry matter). The results indicated that the pile temperature increases with increasing ambient temperature and it decreases with increasing airflow rates, where, as the ambient temperature increased from 15 to 35°C, the pile temperature increased from 33.40 to 43.18°C, and when the airflow rates increased from 0.7 to 1.5 mg air s-1 kg-1 dry matter, the pile temperature decreased from 38.28 to 36.05 °C. The pile temperature increased slightly and reached a maximum value at day 14. It indicates that the net energy gained to the pile increases with increasing ambient temperature, meanwhile, the heat lost decreases with increasing ambient temperature.

DOI

10.21608/mjae.2016.97790

Keywords

heat balance, mathematical model, pile temperature, compost

Authors

First Name

El-Sayed G.

Last Name

Khater

MiddleName

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Affiliation

Lecturer. of Agric. Eng., Fac. of Agric., Benha Univ., Egypt.

Email

alsayed.khater@fagr.bu.edu.eg

City

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Orcid

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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

1,017

Page End

1,032

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 33_Issue 3_Pages 1017-1032.pdf

PDF . 802.2kB

Link

https://mjae.journals.ekb.eg/article_97790.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=97790

Order

16

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

EFFECT OF AMBIENT TEMPERATURE AND AIR FLOW RATE ON THE TEMPERATURE INSIDE THE COMPOST PILE

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Article

Created At

23 Jan 2023