نتایج جستجو برای: drop size

تعداد نتایج: 597096  

Journal: :Remote Sensing 2021

The Remote sensing of Electrification, Lightning, And Meso-scale/micro-scale Processes with Adaptive Ground Observations (RELAMPAGO) and the Cloud, Aerosol, Complex Terrain Interactions Experiment Proposal (CACTI) field campaigns provided an unprecedented thirteen-disdrometer dataset in Central Argentina during Intensive (IOP, 15 November to December 2018) Extended (EOP, October 2018 30 April 2...

2014
A. Bőhm R. G. Kiss G. Z. Duray

At the beginning of the recording, atrial tachycardia (AT) can be observed with 1:1 conduction at ventricular rate 140 bpm (upper track). At the spontaneous termination of the tachycardia, atrial-ventricular pacing at 45 bpm (lower rate) and after two cycles atrialventricular pacing at 100 beats/min (upper track) can be observed. The rate drop response was activated: drop size 25 ppm, drop rate...

2006
Soma Sen Roy R. K. Datta R. C. Bhatia A. K. Sharma

Drop size distributions (DSD) associated with tropical rainfall at Cuddalore in the south-eastern part of India have been measured by a JossWaldvogel disdrometer (RD–80 model) during September to November 2002. The rainfall data corrected for instrumental error, matches very well with rainfall rates measured by a self recording raingauge, at the same site. For further analysis of the DSD, the r...

Journal: :Forensic science international 2013
N Kabaliuk M C Jermy K Morison T Stotesbury M C Taylor E Williams

Passive dripping, the slow dripping of blood under gravity, is responsible for some bloodstains found at crime scenes, particularly drip trails left by a person moving through the scene. Previous work by other authors has established relationships, under ideal conditions, between the size of the stain, the number of spines and satellite stains, the roughness of the surface, the size of the bloo...

Journal: :IEEE Trans. Geoscience and Remote Sensing 1997
Ziad S. Haddad David A. Short Stephen L. Durden Eastwood Im Scott Hensley Martre B. Grable Robert A. Black

This paper revisits the problem of nding a parametric form for the rain drop size distribution (DSD) which 1) is an appropriate model for tropical rainfall, and 2) involves statistically independent parameters. Using TOGA/COARE data, we derive a parametrization which meets these criteria. This new parametrization is an improvement on the one that was derived in [3], using TRMM ground truth data...

Journal: :Journal of forensic sciences 2005
Lee Hulse-Smith Navid Z Mehdizadeh Sanjeev Chandra

An experimental study was done to determine the diameter and velocity of blood drops falling on a surface by measuring the size of bloodstains they produced and counting the number of radial spines projecting from them. Bloodstains were formed by releasing drops of pig blood with a range of diameters (3.0-4.3 mm) and impact velocities (2.4-4.9 m/s), onto four different flat surfaces (glass, ste...

Journal: :Eur. J. Comb. 2010
Fan Chung Graham Anders Claesson Mark Dukes Ronald L. Graham

Motivated by juggling sequences and bubble sort, we examine permutations on the set {1, 2, . . . , n} with d descents and maximum drop size k. We give explicit formulas for enumerating such permutations for given integers k and d. We also derive the related generating functions and prove unimodality and symmetry of the coefficients. Résumé. Motivés par les “suites de jonglerie” et le tri à bull...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2007
H Kusumaatmaja J M Yeomans

We explore numerically the feasibility of using chemical patterning to control the size and polydispersity of micrometer-scale drops. The simulations suggest that it is possible to sort drops by size or wetting properties by using an array of hydrophilic stripes of different widths. We also demonstrate that monodisperse drops can be generated by exploiting the pinning of a drop on a hydrophilic...

2006
DMITRI N. MOISSEEV V. CHANDRASEKAR

Raindrop size distributions are often assumed to follow a three-parameter gamma distribution. Since rain intensity retrieval from radar observations is an underdetermined problem, there is great interest in finding physical correlations between the parameters of the gamma distribution. One of the more common approaches is to measure naturally occurring drop size distributions (DSDs) using a dis...

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