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Chaudhary Charan Singh Haryana Agricultural University, Hisar

Chaudhary Charan Singh Haryana Agricultural University popularly known as HAU, is one of Asia's biggest agricultural universities, located at Hisar in the Indian state of Haryana. It is named after India's seventh Prime Minister, Chaudhary Charan Singh. It is a leader in agricultural research in India and contributed significantly to Green Revolution and White Revolution in India in the 1960s and 70s. It has a very large campus and has several research centres throughout the state. It won the Indian Council of Agricultural Research's Award for the Best Institute in 1997. HAU was initially a campus of Punjab Agricultural University, Ludhiana. After the formation of Haryana in 1966, it became an autonomous institution on February 2, 1970 through a Presidential Ordinance, later ratified as Haryana and Punjab Agricultural Universities Act, 1970, passed by the Lok Sabha on March 29, 1970. A. L. Fletcher, the first Vice-Chancellor of the university, was instrumental in its initial growth.

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2018 - 201942020 - 20221
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Subject: Processing and Food Engineering × End date: 2023 × Thesis Type: M.Tech. ×
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Now showing 1 - 5 of 5
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    ThesisItemOpen Access
    Development and Performance Evaluation of Machine for Dehulling of Hempseed (Cannabis sativa L.)
    (hisar, 2022) Mittal, Vipul; Gupta, Ravi
    The study was conducted to develop a hempseed dehuller machine for dehulling of hempseed (Cannabis sativa L.). The development of the machine was based on a 2D design made from AUTOCAD software. The raw hempseeds were cleaned and graded for observation of their engineering properties. To study the effects of dehulling process variables on the dehulling efficiency of hempseeds, two seed grades: Medium (3 – 3.5 mm), Large( ≥ 3.5 mm), four levels of valve opening (100, 75, 50 and 25 % ) and five levels of initial seed moisture content (2-4, 4-6, 6-8, 8-10, 10-12 %) (wb) were selected by conducting preliminary trials. Statistical analyses viz., correlation and regression analysis of the responses was performed to estimate the coefficients of the fitted equation of the responses and to check the significance of the regression coefficients of independent and interaction variables, respectively. A three-phase (0.75 kW) electric motor was used for the power supply of the machine. The performance of the dehuller was found optimum at 2100 rpm, feed valve opening of 50% and fed with raw hempseeds of medium grade at 6-8 % MC range. At these levels of independent variables the throughput capacity, dehulling efficiency, output capacity and broken were found to be 67.4 kg/h, 38.7%, 26.25 kg/h and 8.84%. The break-even point, benefit-cost ratio and payback period for the machine were found to be 4223 units of hemp kernel, 1.029 and 0.237 years respectively. The developed machine for dehulling of hempseed was found energy-efficient, economically usable, and capable of maintaining the good quality of hempseed kernels.
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    ThesisItemOpen Access
    Design and development of garlic (Allium sativum) stalk cutter machine
    (CCSHAU, 2019) Charan Singh; Garg, M.K.
    Garlic (Allium sativum) is a bulbous plant and perennial plant of amaryllis family (Amaryllidaceous). De-topping or cutting stalk is the primary unit operation for making the product marketable. Most of the de-topping is being done manually which not only time-consuming also adds cost. So in order to make the unit operation cost-effective and efficient a garlic stalk cutter machine was designed, developed and its performance was studied. In this study effect of operational parameters i.e. moisture content (14, 21, 28, 35, 42) % and feed rate (no of stalk-2, 3, 4, 5, 6) on dependent parameters such as capacity (kg/h), grading efficiency (%), bulb damaged (%), bulb dropped (%), plant spilled (%) and uncut stalk (%) were studied within the experimental region. Garlic variety GS17 was used during experiment. After complete evaluation and analysis of all attributes it was found that the best result was at a moisture content of 28% and feed rate of 4 stalks which resulted in a capacity of 177.62 kg/h with a grading efficiency of 91.4% and damaged bulb , bulb dropped , plant spilled , uncut stalk to be 2.63%, 2.30%, 1.32%, 3.68% respectively. After the optimization of parameters of the machine using RSM the result was found that on using feed rate 3.79 stalks at a time and moisture content of 29.012% resulted the capacity of machine and grading efficiency i.e. 174.2 kg/h., 90.87% respectively and the bulb damage, bulb dropped, plant spilled, uncut stalk i.e. 2.56%, 2.17%, 1.25%, 3.47% respectively.
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    ThesisItemOpen Access
    Process Development for Microwave Assisted Extraction of Glycyrrihizic acid from Mulhatti
    (CCSHAU, 2019) Ravi Kumar; Garg, M.K
    In the present study, extraction of Glycyrrihizic acid from Mulhatti root powder was carried out using modified microwave system, rotary evaporator and HPLC unit. The effect of operational parameters i.e. microwave power (300, 325, 350, 375 and 400 W), extraction time (2, 3, 4, 5 and 6 min.) and by changing the different solvents for extraction (methanol and ethanol), powder size (0.80, 0.30, 0.15 mm) on extraction yield and GA were studied. Fixed ratio samples (1:10) i.e. mulhatti root powder, solvent was used during the experiment conducted. The amount of extracts of mulhatti roots was evaluated by using High Performance Liquid Chromatography (HPLC) with C18 column with a mobile phase consisting ethanol: water 70:30(v/v). Extraction of GA% using ethanol varied from 2.139% to 2.186% of mulhatti powder while from 0.285% to 0.307% using methanol as solvent. Further study was carried out using ethanol as solvent. Extraction yield of GA was 2.951% as maximum and minimum GA 0.2741% using different sizes (0.80, 0.30, 0.15 mm) of mulhatti powder. The optimized values of process parameters for maximum extraction yield% (24.54) and GA% (2.164) were microwave power 350 (W) and extraction time 4 min within the experimental region.
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    ThesisItemOpen Access
    Detection of insect infestation level in wheat by using sensors
    (CCSHAU, 2019) Patel, Rihan Mainuddin; Garg, M.K.
    A study was undertaken to develop an appropriate mathematical model for prediction of infestation level in stored wheat. Three different moisture content levels of 10, 12 and 14% were used for each treatment with insect density of 0, 10 and 20 insects/kg for an interval of two months storage. The quality of stored wheat was compared based on qualitative analysis of stored wheat i.e. moisture content, thousand kernel weight, germination percentage, seedling length, seedling dry weight, vigour index-1, vigour index-2, sedimentation value, wet gluten and dry gluten of all treatments. The results were compared on the basis of moisture content, insect density and storage duration. The changes in quality parameters with respect to storage duration showed significant difference among thousand kernel weight, germination percentage seedling length, seedling dry weight, vigour index-2, wet gluten and sedimentation value whereas changes in vigour index-1 dry gluten, thousand kernel weight were insignificant. The changes in moisture content showed significant difference in thousand kernel weight, seedling dry weight, vigour index-1, vigour index-2, wet gluten, dry gluten and sedimentation value whereas the germination percentage and seedling length remained almost constant. The effect of insect density on quality parameters showed some insignificant changes intermsof moisture content, thousand kernel weight, seedling length, seedling dry weight, vigour index-1, vigour index-2 and dry gluten whereas the germination percentage, wet gluten and sedimentation value remained almost constant. The temperature based regression model gave maximum value of coefficient of determination (R2), which was 80.03% while the temperature based ANN model gave maximum value of coefficient of correlation, which was 59.02%. The RH based model was best fitted and was used for the prediction of infestation level in stored wheat.
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    ThesisItemOpen Access
    Effect of microwave heating on extraction of essential oil from turmeric (Curcuma longa L.)
    (CCSHAU, 2018) Sachin; V.K Singh
    In the present study, extraction of essential oil from turmeric rhizome powder was carried out using modified microwave distillation system and rotary evaporator unit. In this study effect of operational parameters i.e. microwave power (200, 250, 300, 350 and 400 W) and extraction time (10, 15, 20, 25 and 30 min.) on physical properties (oil yield, specific gravity, refractive index and color) and chemical properties (acid value, iodine value and saponification value) of essential oil were studied within the experimental region. Fixed ratio samples (1:1:1) i.e. turmeric powder, solvent and distilled water was used during the experiment conducted. Essential oil yield using hexane varied from 1.895% to 4.973% while from 0.180% to 1.226% using petroleum ether solvents. Quality parameters varied i.e. specific gravity from 0.910 to 0.923, refractive index from1.478 to 1.506, color values for oil ranges L* from 70.60 to 98.60, a* from –25.60 to 15.1 and b* from 82.1 to 88.5, acid value from 3.5 to 6.3, iodine value from 38.72 to 41.53 and saponification value from 14.27 to 16.59. Optimum values of process parameters for maximum oil recovery (4.973 %) and best quality of oil (specific gravity: 0.915; refractive index: 1.485; acid value: 4.5 %; iodine value: 39.37 %; saponification value: 14.86) was found at microwave power 300 W and extraction time 20 min.