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A journey with bacteria: From waste to nematic colloids and gels and to smart windows
Published on Jun 07, 20181054 Views
Heating, ventilation, and air conditioning of buildings account for about 15% of the global energy consumption, but about 20% of this building-related energy is lost because of inefficient windows. Gr
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Chapter list
A journey with bacteria: from waste to nematic colloids & gels & to smart windows00:00
Windows & energy: not a simple problem03:19
Thermos & a triple-silver, triple-pane solution06:03
What would be ideal?11:10
Aerogels from Liquid crystals of cellulose?13:44
Magic (statistical physics) of self-assembly15:43
Haze: physical origins20:11
Properties of 6.5-inch cellulose aerogels so far20:32
Haze & Scattering in Cellulose Aerogel22:19
Bacterial workforce to make it inexpensive23:25
Large Scale Bacterial Cellulose Growth25:34
Production of aerogel by bacteria - 126:13
Production of aerogel by bacteria - 227:54
Bacterial Cellulose Aerogel - 128:11
Bacterial Cellulose Aerogel - 228:51
CNF aerogel via polysiloxane29:17
From fluid-like to solid liquid crystal film30:26
Manufacture of cellulose aerogels31:17
Liquid crystalline order within aerogels 33:03
Mechanical Robustness, Flexibility & Hydrophobicity 33:32
Fabrication of aerogel using sustainably-derived cellulose 34:37
Thermal conductivity of aerogels35:05
Ultra-low thermal conductivity36:09
Methods for thermal conductivity measurements38:43
Thermal conductivity measurements: Guarded Hot Plate method38:59
Measurement of thermal conductivity: comparative/reference method - 139:41
Measurement of U-value: comparative/reference method40:44
Measurement of thermal conductivity: comparative/reference method setup41:05
Measurement of thermal conductivity: comparative/reference method - 241:49
AIR FILMs heat transfer parameters42:34
Cellulose Aerogel on the window44:14
Ambient drying & scaling cellulose aerogels44:53
Facilities for fabricating meter-square scale aerogels - 145:18
Facilities for fabricating meter-square scale aerogels - 246:32
Fabrication of meter-square scale aerogels - 347:27
CNF - Polysiloxane ambient dried aerogels : Safety47:54
Characterization of square-foot composite aerogels 48:34
Square Meter Hydrogel Characterization49:20
Durability?49:28
Advanced Fenestration Durability Analysis52:01
Differential Thermal Stress Testing52:19
Dynamic Window Durability Testing52:40
Optimized climate-dependent spectral transmission?52:49
Imparting low-e properties onto aerogel films54:23
Biomimetic Photonic Structure56:46
Modeling three-layer helicoidal films59:06
Scalable Production of Cellulose Nanomaterials59:10
Low-e photonic layers with designable IR reflection to optimize depending on climate01:00:40
Color Rendering01:01:16
AIR FILMs01:03:31
Applied products for retrofitting01:05:10
Installed products for new windows01:07:18
Conclusions & outlook01:07:24