Results 71 to 80 of about 319,321 (204)
Zhileng xuebao, 2023 Since the Beijing Winter Olympic Games, the domestic ice and snow industry has grown rapidly, driven particularly by artificial snow parks with higher requirements in terms of both the quantity and the quality of artificial snow.
Hu Hengxiang +4 more
doaj
The Effect of Operational Parameters of Plant Protection Unmanned Aerial Vehicle on the Droplet Deposition Distribution in Tea Canopy [PDF]
Chaye kexueIn order to improve the droplet deposition distribution and enhance the control effect, the operational parameters (spray droplet size, flight height, flight speed and spray volume) of a four-multirotor plant protection unmanned aerial vehicle (EA-30X ...
WU Mengtao, LI Zhaoqun, YANG Yuzhou, MENG Xiangfei, LUO Zongxiu, BIAN Lei, XIU Chunli, FU Nanxia, CHEN Zongmao, WANG Guochang, CAI Xiaoming
doaj +1 more source
Large droplet impact on water layers [PDF]
, 2004 The impact of large droplets onto an otherwise undisturbed layer of water is considered. The work, which is motivated primarily with regard to aircraft icing, is to try and help understand the role of splashing on the formation of ice on a wing, in ...
Gueyffier D. +10 more
core +1 more source
Droplet Size Distribution in Spray
Chemical engineering, 1969 スプレーノズル先端で形成される薄膜の激粒化過程をランダム・ウォークモデルから考察し, 生成される液滴の粒径分布が対数正規分布となることを示した。さらに最大粒径を考え, 反射壁のあるランダム・ウォークを用いて対数正規分布を補正すれば, 実測値とよい一致を示すことが判った。平均粒径は, 最大粒径と対数標準偏差とから容易に計算できる。
Shiro Matsumoto, Yoichi Takashima
openaire +2 more sources
Droplet activation, separation, and compositional analysis: laboratory studies and atmospheric measurements [Discussion paper] [PDF]
, 2011 Droplets produced in a cloud condensation nucleus chamber as a function of supersaturation have been separated from unactivated aerosol particles using counterflow virtual impaction.
Cziczo, Daniel J. +5 more
core
Triple condensate halo from water droplets impacting on cold surfaces
, 2018 Understanding the dynamics in the deposition of water droplets onto solid surfaces is of importance from both fundamental and practical viewpoints. While the deposition of a water droplet onto a heated surface is extensively studied, the characteristics ...
Jin, Liwen +5 more
core +1 more source
Adaptation of a Cascade Impactor to Flight Measurement of Droplet Size in Clouds [PDF]
A cascade impactor, an instrument for obtaining: the size distribution of droplets borne in a low-velocity air stream, was adapted for flight cloud droplet-size studies.
Kleinknecht, Kenneth S., Levine, Joseph
core +1 more source
Droplet size and morphology characterization for diesel sprays under atmospheric operating conditions [PDF]
, 2015 The shape of microscopic fuel droplets may differ from the perfect sphere, affecting their external surface area and thus the heat transfer with the surrounding gas.
Crua, C. +4 more
core
Frontiers in Plant ScienceThis study examines the impact of canopy density, side wind speed, nozzle tilt angle, and droplet size on droplet penetration during plant protection spraying operations.
Daozong Sun +11 more
doaj +1 more source
Scientific ReportsDissolved air flotation (DAF) is an effective method for separating suspended oil and solid particles from wastewater by utilizing small air bubbles. This study aims to investigate the impact of key factors, such as saturating pressure and water flow ...
Mohammad Javad Taghizadeh Mohammadi +1 more
doaj +1 more source