nutrarev a new way to dry military ration components · nutrarev™ –a new way to dry military...
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![Page 1: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/1.jpg)
NutraREV™ – A New Way to Dry
Military Ration Components
Tom C. S. Yang
US Army Natick Soldier RD&E Center
(NSRDEC)
![Page 2: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/2.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
Challenge:
• Ration Footprint Reduction
• Quality & Nutrient Stability
![Page 3: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/3.jpg)
Vacuum Drying—
Water boils on 1 bar at 100°C, but if the
pressure is lowered to 40 millibar (4 kPa),
then it already boils at 28.96°C
NutraREV™ – A New Way to Dry Military
Ration Components
![Page 4: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/4.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
Microwave heating--• The microwave energy is mainly absorbed by liquid
water present in food owing to its higher loss
factor than other components
• The absorption of microwaves results in
temperature rise, as some water is evaporated and
the moisture level is reduced
• Internal heating and evaporation of liquid water
takes place inside the food materials and generates
significant pressure
• Water vapor is pumped to the surface due to the
pressure gradient. The resulting pressure-driven
flow becomes an additional mechanism of internal
moisture transport
![Page 5: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/5.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
Dehydration curves of air dried (AD) and microwave
vacuum dried (MVD) mushroom slices.
M. Gupta et al., 2014
0
2
4
6
8
10
12
14
0 50 100 150 200 250 300
% M
ois
ture
Time (min)
MVD 285W 15 kPa
MVD 115W 15 kPa
AD 70C
AD 50C
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NutraREV™ – A New Way to Dry Military
Ration Components
![Page 7: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/7.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
100 kW NutraREV system
![Page 8: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/8.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
2 kW
NutraREV
system
![Page 9: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/9.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
10 kW
NutraREV
system
![Page 10: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/10.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
Scrambled Egg Egg Omelet
Aw = 0.95
Aw = 0.80
REV
partial
dry
Compression
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NutraREV™ – A New Way to Dry Military
Ration Components
![Page 12: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/12.jpg)
NutraREV™ – A New Way to Dry Military
Ration Components
![Page 13: NutraREV A New Way to Dry Military Ration Components · NutraREV™ –A New Way to Dry Military Ration Components Dehydration curves of air dried (AD) and microwave vacuum dried](https://reader036.vdocuments.net/reader036/viewer/2022071212/60249dcdb2c9d54ecd519e50/html5/thumbnails/13.jpg)
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Meeting Today’s Challenges…
Providing Tomorrow’s Solutions TM