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Citations since 2016
11 Research Items
iam a professor and head of agric. engineering department at Benha university, Egypt, my main interest in food process engineering field.
The main aim of this study is to determine the physical and chemical properties of biochar made from different raw materials (straw rice, sawdust, sugar cane, and tree leaves) at different pyrolysis temperatures (400, 600, and 800°C). Moisture content, water holding capacity, bulk density, and porosity were the measured physical properties; pH, Ele...
The main aim of this research is to develop a mathematical model to predict the dissolved oxygen in recirculating aquaculture system. The oxygen consumption of the model through the fish respiration and nitrification and the oxygen addition of the model through oxygen generator and water pumping. The effect of different water temperatures (24, 26,...
An automatic feeder for fish feeding was manufactured and evaluated successively. Feed pellet size, air flow rate and feeder screw speed were the most important factors affecting the performance and efficiency of the automatic feeder. It was tested at 3 sizes of pellets (1, 2 and 3 mm), 3 air flow rates (10, 15 and 20 m ³ min ⁻¹ ) and 5 screw speed...
The main aim of the present study is to develop, fabricate and evaluate a rotating grader for grading cereal corps. The effect of different orifice sizes (<7.5, 7.5 to 9.5 and 9.5 to 11.0 mm), inclination angles (0, 3, 5 and 7ᵒ) and rotational speeds of drum (25, 30, 35, 40, 45 and 50 rpm) were studied. The grader productivity, efficiency, specific...
The main aim of this study is to investigate the possibility of drying chamomile plants under different conditions. The obtained results indicated that the accumulated weight loss of chamomile flowers was (86.27, 84.67, 82.70, 85.04 and 86.53)% for the sun-drying system, shadow-drying system, room-drying system, solar-drying system, and oven-drying...
The main aim of this work was to study the effect of storage system (cold, ventilated and traditional) and package type on the quality of garlic during storage. The results indicated that, the total accumulated weight loss increases with increasing the storage period. Storage system had a great effect on the losses, where, the traditional storage s...
The main aim of this study is to investigate the possibility of drying the basil plants under five different drying systems. The obtained results indicated that the accumulated weight losses of basil plants were 77.43, 74.00, 70.48, 74.92 and 77.99 %, for sun-drying system, shadow-drying system, room-drying system, solar-drying system and oven-dryi...
Objectives: The main aim of this work is to design and construct aquaponic systems to investigate to which extent the content of nutrients in water discharged from fish farms is sufficient for growing vegetable plants, in order to reduce the using of chemical fertilizers, save water, improve the plant and fish and increase the water use efficiency. Also, a mathematical model will be developed to predict the nutrients consumption and its relationship between fish and plant production. Specific objectives: 1- Studying the effect of effluent water flow rate on the nutrient consumption, vegetative parameters and yield components of plants. 2- Studying the effect of effluent water flow rate on the weight gain of fish, fish growth rate, specific growth rate and feed conversion ratio. 3- Studying the water use efficiency. 4- Developed of nutrient consumption model to assess the nutrient consumption and its relation to the plant growth. 5- Validating the developed mathematical model. 6- Determining the feasibility of system utilization.