By K. L. Mittal
This publication is the second one quantity within the sequence "Contact perspective, Wettability and Adhesion." The top-rated quantity was once released in 2013.
Even a cursory look on the literature convey that during contemporary years the curiosity in figuring out and controlling wetting habit has grown exponentially. at present, there's great study task in rendering surfaces superhydrophobic, superhydrophilic, superoleophobic, superoleophilic, omniphobic and omniphilic due to their purposes in lots of technologically vital fields. additionally the sturdiness or robustness of fabrics with such large" features is intensely major, in addition to the usage of "green" (biobased) fabrics to acquire such surfaces.
This e-book containing 19 articles displays more moderen advancements in sure parts coated in its predecessor quantity in addition to it contains a few themes that have been now not lined earlier than. Concomitantly, this booklet presents a medium to maintain abreast of the most recent learn task and advancements within the area of touch perspective, wettability and adhesion.
The themes mentioned contain: knowing of wetting hysteresis; fabrication of superhydrophobic fabrics; plasma remedy to accomplish superhydrophilic surfaces; hugely liquid repellent textiles; amendment of paper surfaces to regulate liquid wetting and adhesion; Cheerios impact and its keep watch over; engineering fabrics with superwettability; laser ablation to create micro/nano-patterned surfaces; liquid repellent amorphous carbon nanoparticle networks; mechanical sturdiness of liquid repellent surfaces; wetting of strong partitions and spontaneous capillary circulation; courting among roughness and oleophilicity; superhydrophobic and superoleophobic eco-friendly fabrics; computational research of wetting on hydrophobic surfaces: software to self-cleaning mechanisms; bubble adhesion to superhydrophilic surfaces; floor loose strength of superhydrophobic fabrics; and position of floor loose strength in pharmaceutical capsule tensile strength.
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Extra resources for Advances in Contact Angle, Wettability and Adhesion, Volume Two
50) satisfies the Washburn kinetics for cylindrical channels. Let us consider now rectangular cross section channels. 16a). The nanochannels are 900 nm wide with three different depths: 27, 50 and 73 nm. Four different liquids were used: water, a 40% ethanol solution, pure ethanol, and isopropanol. The physical properties of the liquids are tabulated in the literature . 16 (a) View of the horizontal slot (d = 50 nm, w = 900 nm) ; reprinted with permission © Elsevier, 2006. (b) Comparison between experimental results (dots) and model (50) for the travel distance as a function of the square root of time for the four liquids (red-isopropanol, orange-40% ethanol, green-ethanol, and violet-water) in the 50 nm deep channel.
A. Han, G. Mondin, N. G. Hegelbach, N. F. de Rooij and U. Staufer, Filling kinetics of liquids in nanochannels as narrow as 27 nm by capillary force, J. Colloid Interface Sci. 293, 151–157 (2006). 40. com (2014). Wetting of Solid Walls and Spontaneous Capillary Flow 45 41. V. D. Sobolev, N. V. Churaev, M. G. Velarde, and Z. M. Zorin, Surface tension and dynamic contact angle of water in thin quartz capillaries, J. Colloid Interface Sci 222, 51–54 (2000). 42. A. Hamraoui, K. Thuresson, T. Nylander, and V.
Second, capillary filaments may form in sharp corners, as was shown by Concus and Finn , and their entrainment effect on the bulk of the flow is still unknown. e. microflows with a free surface—are of increasing interest because of their great 32 Advances in Contact Angle, Wettabilty and Adhesion accessibility, robustness, functionality, inexpensive fabrication and versatility. However, the physics of open capillary flows is complicated because of the free, deformable interface with air. A formulation equivalent to the generalized Lucas-Washburn-Rideal expression for confined capillary flows is still to be found.