<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>In this research, the possibility of using the rising and dropping time of vegetables through water as a means of hydro-sorting of tomato and potato was studied. The dropping time of potato and rising time of tomato were theoretically formulated and then determined experimentally using water column. The best models for dropping time of potato (cv. Analytic) and rising time of tomato (cv. Rio grand s) as a function of water and vegetable densities, shape factor and vegetable volume were modelled with determination coefficients of 0.95 and 0.91, respectively. It was found that difference between vegetables and water densities had major effect on rising and dropping time. It can be concluded that in the sorting systems, difference in terminal velocities of vegetables can be used as a suitable factor for design the sorting system devices.</p></abstract>

In this research, the possibility of using the rising and dropping time of vegetables through water as a means of hydro-sorting of tomato and potato was studied. The dropping time of potato and rising time of tomato were theoretically formulated and then determined experimentally using water column. The best models for dropping time of potato (cv. Analytic) and rising time of tomato (cv. Rio grand s) as a function of water and vegetable densities, shape factor and vegetable volume were modelled with determination coefficients of 0.95 and 0.91, respectively. It was found that difference between vegetables and water densities had major effect on rising and dropping time. It can be concluded that in the sorting systems, difference in terminal velocities of vegetables can be used as a suitable factor for design the sorting system devices.

A Traveling Time Model as Function of Water Density and Vegetable Size, Shape and Density

Department of Agricultural Machinery Engineering, University of Tehran, P.O. Box 4111, Karaj 31587-77871, Karaj, Iran

Journal of Fruit and Ornamental Plant Research

In this research, the possibility of using the rising and dropping time of vegetables through water as a means of hydro-sorting of tomato and potato was...

A Traveling Time Model as Function of Water Density and Vegetable Size, Shape and Density

Published Online: Jan 28, 2011

Page range: 143 - 149

DOI: https://doi.org/10.2478/v10032-010-0026-7

Keywords
tomato, potato, dropping time, rising time, density, volume, shape factor, size

This content is open access.

A Traveling Time Model as Function of Water Density and Vegetable Size, Shape and Density

Published Online: Jan 28, 2011

Page range: 143 - 149

DOI: https://doi.org/10.2478/v10032-010-0026-7

Keywordstomato, potato, dropping time, rising time, density, volume, shape factor, size

This content is open access.

Keywords
tomato, potato, dropping time, rising time, density, volume, shape factor, size