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Contactless steam generation and superheating under one sun illumination | Nature Communications
Okay, it's cheating to say one sun when using a concentrator, but switch from direct contact heat transfer with capillary flow to IR emitter and vapor passthru is interesting
carbon  foam  solar  heat  absorber  IR  thermal  emitter  steam  generator  passive  materials  science  research  technology 
9 weeks ago by asteroza
CalWave | Converting Waves into Electricity and Freshwater
Some sort of "wave carpet" planar absorber located below waves, emulating the damping ability of muddy sea bottoms.
wave  carpet  energy  converter  absorber  power  generator  marine  offshore  research  technology 
october 2018 by asteroza
The optical duality of tellurium nanoparticles for broadband solar energy harvesting and efficient photothermal conversion | Science Advances
Putting the tellurium nanoparticles directly in the water sounds like a bad plan for an industrial process, but this might lead to a better solid absorber for a thermal receiver?
tellurium  nanoparticle  broadband  solar  absorber  materials  science  research  technology  nanophotonic  photothermal  water  evaporation  seawaer  thermal  desalination  distillation 
august 2018 by asteroza
Global Air Cylinder Wheels (GACW) | Air Suspension Wheel (ASW) for mining, forestry, agriculture, construction and the military
Interesting airless tire system, using internal pneumatic shock absorbers for suspension and decoupling the wheel between lateral and vertical forces
airless  tire  wheel  pneumatic  shock  absorber  transportation  technology  research 
january 2018 by asteroza
Phys. Rev. B 96, 165431 (2017) - Dynamically tunable extraordinary light absorption in monolayer graphene
stamping graphene into an optical well surface to up light absorption, possibly dynamically tunable wavelength absorption by changing optical well shape/size
optics  materials  science  research  technology  graphene  stamp  stamping  microstamping  nanostamping  nanostructure  light  absorber 
january 2018 by asteroza
EASYphoto: Akustikbilder mit einem Bild Ihrer Wahl
Relativ günstige Akustikbilder mit eigenem Wunschmotiv und Gutachten zur Schallabsorption
akustik  absorber 
july 2017 by pinster
Carnegie Clean Energy
Formerly did raw seawater pumping to shore, but the friction losses apparently were insurmountable, and the latest design has a wave pump driven hydraulic motor running an electrical generator within the buoy for PTO.
CETO  wave  green  energy  point  absorber  buoy  power  generator 
july 2017 by asteroza

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