DEVELOPMENT AND EVALUATION OF A MOUNTED TYPE MACHINE FOR FISH FEEDS DISTRIBUTION BY BLOWING AIR SYSTEM

Hemeda, B.E.; Abdel- Rahman, M. M.; Abdel-Mottaleb, A. F.

doi:10.21608/mjae.2008.158090

DEVELOPMENT AND EVALUATION OF A MOUNTED TYPE MACHINE FOR FISH FEEDS DISTRIBUTION BY BLOWING AIR SYSTEM

Document Type : Original Article

Authors

¹ Researcher, Agric. Eng. Res. Inst. (AEnRI), Giza, Egypt.

² Senior Researcher, Agric. Eng. Res. Inst. (AEnRI), Giza, Egypt.

10.21608/mjae.2008.158090

Abstract

This research was intended to develop and evaluate a mounted type machine for fish feeds distribution by blowing air system.
The performance of the developed machine in terms of accuracy of feed distribution (uniformity of feed distribution) was investigated. In this study, three machine parameters each of four levels were studied such as, tractor forward travel speed (2.22, 3.51, 4.83 and 6.13 km/h), blower revolving speed (1500, 2000, 2500 and 3000 rpm), and aquatic feed rates (4, 8, 12 and 16 kg/min). All experiments were conducted using sinking type of aquatic feed pellets. The optimum operating parameters for the modified feed blowing machine were 16 kg/min feeding rate, 3000 rpm for blower revolving speed (22.9 m/s air speed) and 4.83 km/h tractor traveling speed. At these values using the modified machine, a satisfactory coefficient of uniformity (C.U.) of 0.947 and permissible coefficient of variation 12.92 % were obtained. Moreover, using these parameters gave the highest distribution width (10 m) was obtained which provide equal feeding opportunities for as many fish as possible.

Main Subjects

Agricultural Power and Machinery Engineering

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