ajit seminar
TRANSCRIPT
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Seminar on Experiential Learning Training
Dept. of Renewable Energy SourcesDuration-1 may. 2011 to 28 June 2011
Submitted by:
Ajit Kumar
B.E. Final Year Ag
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Experiential learning on renewable energy
sources is basically a two month training
program which develop our skills in the field
of renewable energy through & experience by
learning in various field like solar thermal,
solar PV, bio energy, densification, gasification
etc. It also devlope employment opportunities.
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Following activity performed during training
Solar drying of chips and packagingA visit of photovoltaic installation,sarada
Formation of briquettes by saw dust, wheat
husk, corn cobs for testing and analysisTraining hi-tech polyhouse at RCA ,Udaipur
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1.We take 10 Kg Potato
2.Make chips
3.Dry it in solar dryer
4.Weighing
5.Packaging
5.Saleing
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Briquettes can b made by two mthod
1.Binder method:-
It can be made by using binding material
like tar.2.Binderless method:-
It can be made without using binding
material.But it require high temprature.
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` Calorific value of different briquettes
Proximate analysis
Name of product Calorific value(kcal/kg)
Saw dust 4200
Wheat husk 3500
Corn cobs 3200
oisture 7.2%
Carbon 47 % to 60%
Volatile matter 62% to 70%
Ash content 6.7% to 10%
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` Ultimate analysis
Hydrogen 5.52
Fixed carbon 20 to 26
Nitrogen 1.8
l er .26
Oxygen 8.86
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` The polyhouses are constructed with the help of
ultraviolet plastic sheets
` The structure is prepared with the bamboos or iron
pipes.` Generally the length of the polyhouse is 25-30 feet
and width 4-5 feet.
` The direction of polyhouse is always East to West,
so that the maximum sunshine is available.
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` The point of view of earning more profit only such off-
season crops should be grown, which are being sold
at higher prices in the market.
` The crops grown under the polyhouse are safe from
unfavourable environment and hailstorm, heavy rains
or scorching sunshine, etc.
` The humidity of polyhouse is not adversely affected by
evaporation resulting in less requirement of water
` insects and pests control is also easy and less
expensive.
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` Constructing a tunnel below the earth of poly
house.
` Covering the northern wall of the house by jute
clothing.` Covering whole of the polyhouse with jute cloth
during night
` Fitting solar energy driven device in polyhouse.
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` Removing the internal air or polyhouse out of it in
a natural manner.
` Changing the internal air into external air by
putting the fan on.` Installation of cooler on eastern or Western Wall
not only keeps temperature low but maintains
proper humidity also.
` Running water-misting machine can control thetemperature of the polyhouse.
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There are 4 hi-tech poly house . Each has a area
of 00m2 .
one of them is of zero energy in which tomato&
cherry tomato are grown. Three of them are of forced circulated type in
which cucumber, red & yellow capsicum are grown
One another poly house is there in which seedling
preparation is done
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Pruning
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