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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 294 for “"Foams"”.
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Aging of polyurethane foams
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1986.
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Liquid foams of graphene
Liquid foams are dispersions of bubbles in a liquid. Bubbles are stabilized by foaming agents that position at the interface between the gas and the liquid. Most foaming agents, such as the commonly used sodium dodecylsulfate, are surfactant molecules with linear or branched chain molecular …
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Bubble dynamics in polymeric foams
… on the expansion of gas bubbles in polymer foams for both non-reactive and reactive polymers are investigated. Polymer foams are used extensively in consumer products, from car parts to upholstery. They are produced either by injection moulding (of non-reactive polymeric fluids) or reaction …
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Morphological Changes in Compressible Foams
We introduce a model free energy, assuming the bubbles in the foam to come in just two sizes and calculate its global minimum for different values of the parameters. We then consider the transition in more detail and show how some subtle factors of the foam's structure and the parameters of the …
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Dynamic response of aluminium foams
This thesis presents the results of an investigation into the response of two types of aluminium foam (ALPORAS and Cymat) to quasi-static, impact, and blast loading. The design of experiments and experimental results are reported.
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Porous metals and metallic foams
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Mechanical behavior of cementitious foams
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1991.
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Particle-stabilised foams and foam films
… to investigate and understand the properties of foams and foam liquid films stabilised by colloidal solid particles, in the absence of any surface active substances, e.g. surfactants. Foams occur as end products or during the processing of products in many industries, including detergents, food …
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The dynamics of two-dimensional foams.
… on the structure and dynamics of two-dimensional foams. New experimental results are presented and new algorithms developed to study foam dynamics with particular emphasis on foams that evolve with significant rupture. In the introduction, basic principles and statistical properties of …
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Electrical conductivity of polyaphrons (biliquid foams)
Polyaphrons (biliquid foams) are dispersions which consist of a continuous aqueous phase and a dispersed oil phase. Electrical conductivity measurements of many polyaphrons over a range of varying oil phase volume to aqueous phase volume ratio (PVR) indicate that the path of electricity through …
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Polymer Nanocomposite Foams with Enhanced Thermoelectric Efficiencies
Over the past decades, alternative sources of energy have been the subject of extensive research due to the scarcity of fossil fuels and international concerns on greenhouse gas emission. Considerable efforts have been focused on developing thermoelectric (TE) materials and their applications in …
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Polyurethane foams containing renewable castor oil replacement
Polyurethane foams have a wide variety of commercial applications in daily life due to their unique advantages. Traditionally, polyurethane foams are made from petroleum-based polyols and isocyanates. Due to the shortage of fossil resources, renewable biobased materials are studied as alternatives …
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Structure-property relationships in extruded plastics foams
… distribution) and micromorphology of polyolefin foams. Also attention was given to method of stabilisation of extruded foam, where, it was found support of the extrudated foam (by adding a specially designed die adapter to the end of the die) prior to entering the cooling tank could result not …
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Aerogel coated metal foams for dehumidification applications
Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2013-08-30T14:44:52Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Nawaz_Kashif.pdf: 3672800 bytes, checksum: aba11b231fa7266a2a5495204b4f469b (MD5) Nawaz_Kashif.pdf: 6965739 bytes, …
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Rheology of large gas fraction liquid foams
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1985.
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