International Journal of Scientific Research in Engineering (IJSRE) Vol. 1 (3), March, 2017
TO DEVLOP FOOD PRESERVATION REFRIGERATION SYSTEM
WITH SOLAR POWER
1
Patel Subham, 2Patel Ujjval, 3Patel Urvesh, 4Patel Yatin
Student, Mechanical department, Laxmi institute of Technology, Sarigam-Valsad. Gujarat
Corresponding Author Detail:
Patel Subham
Student, Mechanical department,
Laxmi institute of Technology,
Sarigam-Valsad, Gujarat.
Internal Guide Detail:
Mr. Jignesh Chaudhri
Assistant Professor, Mechanical department,
Laxmi institute of Technology,
Sarigam-Valsad. Gujarat.
ABSTRACT
Refrigeration is a process of keeping an item below the room temperature by storing the item
in a system design to cool.in this system the main advantage is it is use the solar power. The
major disadvantage is that do not produce low temperature in compare to domestic
refrigerator. Solar refrigerator may have application is both developed and developing
countries in our project’s aim is to take on the problem of food stores spoiling in areas with
poor access to electricity grid. The goals of our alternate food preservation unit are not
require electricity and using of solar power. It is less expansive than the modern refrigerator.
KEYWORDS
Food preservation, refrigeration, solar power, exhaust fan, evaporator, blower, pump
INTRODUCTION
Refrigeration is a process of keeping an item below the room temperature by storing the item
in a system design to cool. The main application of the system is refrigeration has been
preserve the food at low temperature with the help of solar power. Air Conditioning refers to
the treatment of air so as to simultaneously control its temperature, moisture content,
cleanliness, odour and circulation, as required by occupants, a process, or products in the
space.
Figure-1 food preservation unit
The subject of refrigeration and air conditioning has evolved out of human need for food and
comfort. In our process intake structure passively draws in air warm ambient air and injectes
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International Journal of Scientific Research in Engineering (IJSRE) Vol. 1 (3), March, 2017
it via the blower into a pipe. Than the delivers air into the evaporation chamber where the
pipe immerse in a water. The water evaporating from the around pipe cools the inside air and
lastly involves the cooled air entering the refrigeration chamber where the food is stored.
METHEDOLOGY
This project mainly consist of two section.
SOLAR ENERGY CONVERSATION
Solar energy conversation is done by using battery and charger controller. As sun light falls
on solar panel, which converts into electrical energy by photoelectric effect this electrical
energy stored in battery in the form of chemical energy. Charge controller is employed in
between solar panel in battery which prevents overcharging. The stored energy directly can
used for dc loads.
Figure-2 Solar Energy Conversion processes
WORKING OF THE SYSTEM
The converted energy is used to run the blower and pump. Food preservation is an intake
structure draws in warm air will inject it into a pipe with the help of blower. The second step
of the process takes the air into an evaporation chamber were the pipe is immersed in a fluid.
The fluid, which is evaporating, cools the air inside the pipe, and the third step is piping the
cool air into the chamber where food is stored.
Figure-3 Flow chart of the system
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International Journal of Scientific Research in Engineering (IJSRE) Vol. 1 (3), March, 2017
READINGS AND ANALYSIS
Copper tube dia
Session
Outer temperature
Inner temperature
12mm
afternoon
34°C
31°C
12mm
evening
30°C
26°C
6mm
afternoon
35°C
31°C
6mm
evening
30°C
25°C
Both 6&12mm
afternoon
34°C
25°C
Both 6&12mm
evening
30°C
22°C
CAPACITY SOLAR PANEL AND BATTERY REQUIRED
Hence selected Blower specification:12v , 15W
So to run 15W blower on for 1hour will take
15*1=15Wh from the battery (Battery capacity is measured in Amp hours)
For 10Ah, 12v battery the watt hours is given by
P=V*I ;
where V=12v and I=40Ah
P=40*12=480Wh So, the 15W blower runs for 360/15=24 hours
This means the battery could supply 15W blower for 24 hours
To calculate the energy it can supply to the battery, multiply watts by the hours exposed to
sunlight, then multiply the result by 0.85(this factor allows for natural system losses)
For the solar 74W panel in 6 hours sunshine, 74*6*0.85=378Wh
For 1 hour, 74*1*0.85=63Wh
So the solar panel of 74W and battery of 40Ah are selected.
CONCLUSION
In refrigeration different types of refrigerant are used which are very costly. To overcome this
problem we are make“food preservation refrigeration system with solar power. The domestic
refrigerator uses of electricity for preserve the food. But our system is use solar power. We
can conclude that it is cheap refrigeration system and it’s also economically.
REFERENCES
1. Vijay Devabhaktuni, MansoorAlam, SomaShekaraSreenadhReddyDepuru, Robert
C.GreenII, DouglasNims, CraigNear, “Solar energy: Trends and enabling technologies,”
Renewable and Sustainable Energy Reviews 19 (2013) 555–564.
2. VanyaZhivkova, “Current Trends in the use of Solar Energy,” International Journal for
Quality Research 7(2) 279–286 ISSN 1800-6450, pp. 279-286, February 2013.
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International Journal of Scientific Research in Engineering (IJSRE) Vol. 1 (3), March, 2017
3. MadhuriMaheshwari, GauravShrivastava, BhanuChoubey, Study On Refrigeration
System Designed For Low Temperature, International Journal Of Scientific And
Research Publications, 2013, 3(2), 1-3
4. Mr. Adkins, “SOLAR VENTILATION FAN” Faradilla Mod Yatim Thesis submitted in
fulfillment of the requirements for the award of the degree of Bachelor ofElectrical
Engineering ( Power System Faculty of Electrical & Electronics Engineering University
Malaysia Pahang December 2010.
5. A Review of Adsorption Refrigeration Technologies. Institute Of Technology, Nirma
University, Ahmedabad – 382 481, 8-10 December, 2011
6. A Review of Evaporative Cooling Technologies 111 O. Amer, R. Boukhanouf, and H. G.
Ibrahim International Journal of Environmental Science and Development, Vol. 6, No. 2,
February 2015
7. Annual ground temperature measurements at various depths GeorgiosFlorides and
SoterisKalogirou Higher Technical Institute, P. O. Box 20423, Nicosia 2152, Cyprus Tel.
+357-22-406466, Fax: +357-22-406480, Email: [email protected]
8. Surajsursuje,chandrakanthGandgil, “Geothermal Vapour Absorption
Refrigeration
System”International Journal of Scientific & Engineering Research, Volume 4, Issue 12,
December-2013. ISSN 2229-5518
9. Report on Wind Chill Temperature and Extreme Heat Indices: Evaluation and
Improvement Projects Numerical simulation of turbulent compressible flows in a C-D
nozzle with different divergence angles Mohammad HadiHamediEstakhrsar, Mehdi
Jahromi* Malek-Ashtar University of Technology, Tehran, Iran.
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