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Iowa State's icing wind tunnel blows cold and hard to study ice on wings, turbine blades(图)
wings turbine blades Iowa State's icing wind
2014/3/20
Iowa State engineers have refurbished an icing wind tunnel and are using it to study ice buildup on aircraft wings and wind turbine blades. Ice on the wings and blades can be dangerous and costly.
Effect of air assistance on deposition distribution on spraying by tunnel-type electrostatic sprayer
Air assisted sprayers deposit losses spraying tunnel sprayers
2010/9/14
Pesticide drift has always been a serious threat to both living things in the fields and people who are indirectly affected by it. There are many types of pesticide application machines for decreasing...
Effects of Salty Wind on the Yield and Quality in Rice Using a Wind Tunnel
Rice yield Salty wind damage Type I quantification method Typhoon Wind tunnel
2009/7/27
The effects of salty wind on the brown rice weight and quality of rice were investigated using a wind tunnel. Two varieties, cv. Hinohikari, cv. Yumehikari, were grown in 1/2000a Wagner's pots contain...
Effects of Tunnel Covering Plastic Films and Fertilization Methods on Growth,Bolting,and Yield in Welsh Onion (Allium fistulosum L.) Harvested in Early Summer
bolting rate devernalization planting furrow application of fertilizer total layer application of fertilizer tunnel cultivation
2009/7/8
Effects of tunnel covering plastic films and fertilization methods on growth, bolting, and yield were investigated in welsh onion (Allium fistulosum L.) harvested in early summer. Polyolefine plastic ...
An inexpensive olfactometer and wind tunnel for Trichogramma chilonis Ishii(Trichogrammatidae:Hymenoptera)
Parasitoids Host odour perception Volatiles Kairomones
2009/2/19
A simple detachable, inexpensive, acrylic four-arm olfactometer, which provides a controlled odour plume for conducting free choice tests and a simple wind tunnel set up, which can be used to track ...
Investigations on The Performance of Some Strawberry Cultivars(Fragaria x AnanassaDuch.)Grownin Open Fields and Under High Tunnel Conditions
Investigations Strawberry Cultivars(Fragaria x AnanassaDuch.) Fields High Tunnel Conditions
2009/1/14
Five strawberry cultivars were grown as frigo seedlings planted in July by using two management systems, open grow-ing and high tunnel, in 1996 and 1997. Yield, earliness and some quality characters ...
Effect of Thermal Screens on the Microclimate and Overall Heat Loss Coefficient in Plastic Tunnel Greenhouses
Plastic tunnel Thermal screen Overall heat loss coefficient
2009/1/13
The objective of the present study was to evaluate the effects of thermal screens made of clear polyethylene (PE) and polyester material on the microclimate and overall heat loss coefficient in plast...
Effect of wind on size and energy of small simulated raindrops: a wind tunnel study
wind speed raindrop size kinetic energy raindrop impact velocity
2008/11/19
A series of tests to evaluate the effect of wind on drop size distribution and impact energy were carried out in a wind tunnel with rainfall simulation facility. Horizontal wind speed of 5.7, 10.0, an...
The impact of tunnel cover type on growth and yield of sweet pepper
fruit quality growth solar radiation sweet pepper temperature yielding
2008/11/10
In the years 1995-1996 investigations on modification of microclimate in tunnels covered with polyethylene (PE) and polypropylene (PP) were conducted. The tunnels were covered with PE film and non-wov...
EFFECT OF PLASTIC TUNNEL SIZE ON PRODUCTION OF CUCUMBER IN DELTA OF EGYPT
plastic tunnels cucumber seasons cultivars
2010/3/25
The experiments were carried out in the years of 2000, 2001 and 2003 at Kafr El-Sheikh. The
main objective of this research was to study the influence of growing seasons and types of unheated plastic...