Results 11 to 20 of about 3,178,864 (145)
Influence of curing on the properties of concretes and mortars in hot climates [PDF]
, 1988 This investigation deals with the influence of initial curing periods and different curing environments, similar to those found in Middle Eastern countries, on the pore size distribution, permeability, water absorption and compressive strength of cement
Alamri, Abdulla Mohammed +1 more
core +7 more sources
Development of porous ceramic air bearings [PDF]
, 2001 Porous air bearings enjoy some important advantages over conventional air bearing types such as increased load carrying capacity, higher stiffness and improved damping.
Roach, C.J., Roach, Christopher James
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New testing device for air permeability
Communications in Development and Assembling of Textile Products, 2023 Air permeability is used to characterize textile fabrics with respect to their usability as a garment or filter, airbag or parachute. It depends on the fabric’s porosity, air voids in the fabric, yarn specifications, thickness and other parameters ...
Lilia Sabantina, Andrea
doaj +7 more sources
Effect of air permeability on stability of supersonic parachute
Aviation, 2021 A compressible air permeability model is developed to simulate the aerodynamic performance of the supersonic porous canopy. And a single-degree-of-freedom model is applied to analyse the static stability of the parachute.
Xue Yang
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Multilayer cotton fabric porosity and its infl uence on permeability properties [PDF]
Tekstilec, 2018 Apart from their soft feel and good water absorbency, cotton fabrics are also characterised by good heat conductivity, air permeability and breathing. By increasing the open surface of one-layer fabrics, their air and water vapour permeability, and heat ...
Klara Kostajnšek, Krste Dimitrovski
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Analysis of Air Permeability of Insulated Masonry Walls
Energies, 2020 Recently, the construction of external ventilated walls has become popular for public and office buildings. These blocks are used without internal rendering because of their good interior surface, stable dimensions and various filling of masonry joints ...
Valdemaras Geležiūnas +4 more
doaj +1 more source
Air permeability of thermally modified hemlock wood
Les, 2022 Western hemlock (Tsuga heterophylla) is a prevalent coastal species in British Columbia (BC). Its wood has a high potential for thermal modification, a process that can affect numerous physical properties, including air permeability.
Yaohui Liu, Stavros Avramidis
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Development of tricot warp knitted fabrics with moisture management for casual shirt
Fashion and Textiles, 2022 Warp knitted mesh fabric was usually applied to sportswear due to good air transmission, but without multilayer structure and one-way transport property. In order to solve this problem, the miss-lapping structure was applied to examine the possibility to
Qing Chen +5 more
doaj +1 more source
The impact of compaction, moisture content, particle size and type of bulking agent on initial physical properties of sludge-bulking agent mixtures before composting [PDF]
, 2012 This study aimed to experimentally acquire evolution profiles between depth, bulk density, Free Air Space (FAS), air permeability and thermal conductivity in initial composting materials.
Huet, Joachim +8 more
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AUTEX Research Journal, 2017 The aim of this study was to develop statistical models for predicting the air permeability and light transmission properties of woven cotton fabrics and determine the level of correlation between the two parameters.
Nazir Ahsan +5 more
doaj +1 more source