International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 06 Issue: 10 | Oct 2019
p-ISSN: 2395-0072
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“STUDY OF FORCED CONVECTION EVACUATEDTUBE SOLAR GRAPE
DRYER”
Shantnu1, Somvir Arya2
1Shantnu
M.Tech. Scholar IIET Haryana India
Arya HOD Mechnical Dept. IIET Haryana India
---------------------------------------------------------------------***---------------------------------------------------------------------2Somvir
Abstract - Nano fluids show upgraded thermal conductivity because of expansive zone to volume proportion and high
turbulence properties.
Because of its novel properties Nano liquid discover their applications in numerous fields of warmth exchange, including
microelectronics, energy components, pharmaceutical procedures, and cross breed powered motors, , in pounding, machining,
motor cooling/vehicle thermal administration, local fridge, chiller, warm exchanger and in heater pipe gas temperature
diminishment. Information of the rheological conduct of Nano fluids is observed to be exceptionally basic in choosing their
appropriateness for convective warmth exchange applications.
Key Words: NANO FLUIDS, THERMAL CONDUCTIVITY, EXPANSIVE ZONE, TURBULENCE, WARMTH EXCHANGE,
MICROELECTRONICS, WARM EXCHANGER.
1. INTRODUCTION
On the basis of a sequence of engineering calculations for natural-convection solar dryers, specific design parameters were
determined. This tailored model requires a range of variables into consideration, including physical characteristics and
environmental circumstances. These characteristics served as feedback for the suggested model and supplied a preliminary
standard to satisfy and/or exceed the real design in terms of effectiveness. From the mathematical calculations, specific
characteristics of the solar dryer were determined and schematics were developed on the basis of this information. The solar
dryer was then manufactured on the basis of the schematics. Consideration was provided to building materials that in
developing communities were cheap and possibly accessible. Depending on the availability of materials, alternative materials
are anticipated to substitute the present structure. Experiments were then carried out to assess the solar dryer's efficiency.
Figure 1: Dryer in Mixed Mode with Thermal Storage Unit
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International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 06 Issue: 10 | Oct 2019
p-ISSN: 2395-0072
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These evaluations were carried out to assess the dryer's operation and effectiveness. Although the literature contains a
comprehensive list of solar dryers, this system has been intended with easy and inexpensive manufacturing methods in mind.
Because construction materials and skilled labour in developing nations are often restricted, efforts have been created to
maintain this design from becoming too advanced.
2. THE GREENHOUSE DRYER
The greenhouse dryeriorientediinieast-westi direction ihadianieffectiveiflooriareaiofi1.2 m×0.8im. iTheicoveriof
idryeriwasimadeibyiUVifilm.iAniairiventiof i0.043 im2 iareasiwasiprovided onitheiroofitopito iactias inaturali convection.
Similarly,ioneifaniwasiprovideditoiproduce forceiconvection.i
Jaggeryidryingiiniaigreenhouseiunderinaturaliandiforcediconvectionimode.iTheidryingitesti wasiperformedifor i800igmiand
i2000igmiofijaggery.iIt
iwas
finallyiobservedithatitheidryingiofijaggeryiunder
Forcediconvectionimodeiwasifasterithanitheidryingiin inaturaliconvectionimode.
Figure:2.iJaggeryidryingiiniaigreenhouseiunderi-Natural iconvectionimode
Figure 3:iFaceiviewiofitheitunnel greenhouse dryer.
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Figure:4.iPlantiviewiofitheitunneligreenhousei dryer.
CONCLUSION:
This research work is conducted to study the solar grape action. This scheme shows the use of the entire non-conventional
energy source. Here the drying efficiency under uncontrolled circumstances is researched, taking into account all the
researchers ' prior results. The solar collector evacuated tube is intended and manufactured on the basis of analytical
calculations. The grapes ' drying conduct is analytically and experimentally studied at the same time. The solar collector's
thermal efficiency and the manufactured dryer's drying effectiveness were discovered more than previously accessible
information. This model is more appropriate for practical implementation as it maintains the same drying circumstances as
traditional schemes.
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International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 06 Issue: 10 | Oct 2019
p-ISSN: 2395-0072
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