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Theses

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Author: KAU × End date: 2009 × Start date: 2000 × Type: Thesis × Thesis Type: M.Tech ×
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    ThesisItemOpen Access
    Optimal cropping pattern for the better utilization of minor irrigation schemes
    (Department of Irrigation and Drainage Engineering, Kelappaji College of Agricultural Engineering and Technology, Tavanur, 2000) Bindu, J; KAU; Joby V, Paul
    A monthly irrigation planning model was formulated for determining the optimal cropping pattern in an existing lift irrigation scheme. The study deals with the use of Linear Programming technique which is a powerful tool in systems analysis for obtaining an optimal cropping pattern from various alternatives for a command area by the conjunctive use of surface water. The optimal cropping pattern was selected for two purposes, i e. to maximise the net economic benefit from the command area for an year and to maximise the net area put under cultivation in an year. Appropriate constraints were also included while formulating the model on total cropping area of each month, cropping area of each crop, surface water availability and monthly crop water requirement etc. The model is found very flexible to alter the constraints . makers decisions from time to time based on socio-economic considerations.
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    ThesisItemOpen Access
    Performance evaluation of hydrocyclone filter
    (Department of Irrigation and Drainage Engineering, Kelappaji College of Agricultural Engineering and Technology, Tavanur, 2001) Damodhara Rao, M; KAU; John Thomas, K
    the final efficiencies are almost the same irrespective of the concentration of soil suspension. The particle size distribution of underflow material for different concentrations of soil suspension indicates a measure of separation efficiency of the filter. It was found that the percentage finer to coarser particles is almost the same for all the concentrations but for lower concentrations, fine particles have higher percentage of finer. This may indicate the efficient separation of fine particles in the case of lower . concentrations of soil suspensions. For the soil suspension of 300, 600, 900 and 1200mg/1 the percentage of particles finer than 0.075111111 are 0.86, 0.58, 1.96 and 4.05% respectively. The higher value of concentration for 300mg/1 indicates the better separation of finer particles.
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    ThesisItemOpen Access
    Storage studies on preservation of banana and its production
    (Department of Farm power Machinery and Energy, Kelappaji College of Agricultural Engineering and Technology, Tavanur, 2000) Sindu, Bhaskar; KAU; Ganesan, V
    The primary objective of this study was to conduct shelf lite studies like vacuum packing and nitrogen packing on storage of banana and its products and to suggest optimum storage conditions. The study mainly concentrated on development of equipments for optimising the processing and storage conditions. A constant temperature frying pan was developed for optimising the frying temperature, duration and type of oil. The capacity of the constant temperature frying pan is 100 kg of raw banana per day of 8 h. A low cost set up for nitrogen packing was also developed. Vacuum packing as well as nitrogen packing can be done satisfactorily. Raw banana stored under vacuum cum refrigerated packing showed maximum shelf life up to 20 days without any quality deterioration. The chips fried in coconut oil at a temperature 115 QC for a duration 15 min stored under nitrogen packing showed best results followed by chips fried in coconut oil at a temperature 105 QC for 20 min under nitrogen packing. These results were on the basis of organoleptic evaluation. Jaggery coated chips and banana powder stored under nitrogen packing was the best among four treatments after storage of two months. The economic analysis showed the cost of entire operation for the processing of chips was Rs.57.5 per kg of chips. The moisture content of 'taw banana have significant effect on cooking duration therefore the moisture content of banana slices prepared for chips making should be standardised. The peeling and slicing operations are done manually. The speed of the labourers have considerable effect on capacity of constant temperature frying pan.