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    Chemical and technological properties of European cranberrybush (Viburnum opulus L.) fruits
    (ASIAN JOURNAL OF CHEMISTRY, 2008) Akbulut, Mehmet; Calisir, Sedat; Marakoglu, Tamer; Coklar, Hacer
    The European cranberrybush (Viburnum opulus L) fruits were analyzed for selected technological properties (dimensions, geometric mean diameter, sphericity, bulk density, fruit density, volume, terminal velocity, rupture strength, porosity) and proximate composition (moisture, reducing sugar, ascorbic acid, total anthocyanin and phenolics, crude, protein, crude oil, crude energy, crude fiber, ash, pH, acidity, alcohol soluble extract and colour) properties. Mineral content of Viburnum opulus growing in Turkey were determined by inductively coupled plasma atomic emission spectrometer (ICP-AES). All materials contained high amounts of Ca, K, Mg, Na. P and S. The average pulp mass ratio, thickness. width, length, mass, volume, geometric mean diameter, sphericity and projected area were measured as 653.0 g/kg. 9.59 mm, 9.71 mm, 10.18 mm, 0.65 g, 638 mm(3). 9.82 mm, 0.96 and 0.9988 cm(2), respectively. The energy, reducing sugar. protein, cellulose. oil, ash, acidity, ascorbic acid, total phenolics, total anthocyanin and soluble solid matter values of European cranberrybush fruits were established as 256.56 kJ/g, 63.46 g/kg, 64.85 mg/kg, 180.71 g/kg, 6.70 g/kg, 12.83 g/kg, 17.92 g/kg, 595.24 mg/kg 3253.87 mg/kg, 654.23 mg/kg and 104.31 g/kg, respectively. It is very important to evaluate the technological properties of equipment used harvesting, transportation, storage and processing of fresh fruits. Also, the information supplied on the chemical properties of the European cranberrybush fruit serves as food in human nutrition.
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    Developing an Automation System for Improving the Energy Efficiency of Constant Pressure Irrigation Pumps
    (ASCE-AMER SOC CIVIL ENGINEERS, 2016) Sungur, Cemil; Calisir, Sedat; Kaya, Ender
    In the present study, the changes in system efficiency were investigated at constant pressure and at different flow rates between 100 and 50% of the nominal flow rate in an irrigation pumping plant. For this purpose, programable logic controller (PLC) and human machine interface (HMI) panel software was developed to automatically control motor speed by means of frequency, and valve opening by means of servomotor in an irrigation pumping system. In this automation system, pump flow rate was measured using an electromagnetic flowmeter and pump discharge pressure was measured using a pressure sensor. According to the results of the study, optimum system efficiency was observed at the point corresponding to 70% of the nominal flow rate. This system efficiency value was found to be 6.9% higher than the nominal system efficiency. However, the system efficiency at points corresponding to 50% or lower ratios of the nominal flow rate was found to be lower than the nominal system efficiency. (C) 2016 American Society of Civil Engineers.
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    The evaluation of performance and energy usage in submersible deep well irrigation pumping plants
    (FARM MACHINERY INDUSTRIAL RESEARCH CORP, 2007) Calisir, Sedat
    Material performance and energy usage of submersible irrigation pumping plants were evaluated in this study. This research was carried out in Konya vicinity of Turkey. In general submersible irrigation pumping plants were tested. Total mass per pumping plant, flow rate, total dynamic head, specific draw-down of well, diving depth, actual performance (system efficiency), performance rating and specific total energy consumption were found to be 1,283.8 +/- 27.6 kg/unit, 41.1 +/- 1.0 L/s, 56.1 +/- 2.1 m, 0.25 +/- 0.02 m per L/s, 12.1 +/- 0.6 m, 52 +/- 1%, 78 +/- 1% and 2.93 +/- 0.10 MJ m(-3), respectively. According to Nebraska Performance Criteria (NPC), potential of energy saving rating was determined as 22% in all of the plants. In addition, the simple and useful regression equations for specific total energy consumption depending on motor power, flow rate and total dynamic head were obtained.
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    SOME PHYSICOMECHANICAL AND NUTRITIONAL PROPERTIES OF BARBERRY (BERBERIS VULGARIS L.) FRUITS
    (WILEY-BLACKWELL PUBLISHING, INC, 2009) Akbulut, Mehmet; Calisir, Sedat; Marakoglu, Tamer; Coklar, Hacer
    The barberry (Berberis vulgaris L.) fruits growing wild in Turkey were analyzed for some physical (dimensions, geometric mean diameter, sphericity, bulk density, fruit density, volume, terminal velocity, hardness and porosity) and chemical (moisture, reducing sugar, ascorbic acid, total anthocyanin and phenolics, crude protein, crude oil, crude energy, crude fiber, ash, pH, acidity, alcohol-soluble extract and color) properties. Mineral content of barberry fruits growing wild in Turkey was determined by inductively coupled plasma-atomic emission spectrometry. The average pulp mass ratio, thickness, width, length, mass, volume, geometric mean diameter, sphericity and projected area were measured as 75.59%, 3.51 mm, 3.32 mm, 7.69 mm, 0.07 g, 71 mm(3), 4.46 mm, and 0.58 and 0.2535 cm(2), respectively. The energy, reducing sugar, protein, cellulose, oil, ash, acidity, ascorbic acid, total phenolics, total anthocyanin and soluble solid matter values of barberry fruits were established as 69.25 kcal/g, 6.52%, 10.32%, 9.42%, 0.84%, 1.12%, 3.10%, 256.48 mg/kg, 789.32 mg/100 g, 931.05 mg/kg and 19.4%, respectively. It is very important to evaluate the technological properties of equipment used in harvesting, transportation, storage and processing of fresh fruits. Also, the information supplied on the proximate composition of the barberry fruit is highly beneficial for human nutrition.