Thermodynamics of prime movers: energy from first principles?
…for this reason that Brayton Cycle gas turbines can be strapped to the sides of airplanes, misted with jet fuel, and safely underpin 7 trn passenger-miles of air travel per…
Nafion membranes: costs and hydrogen crossover?
…But anions and gases are impeded. This is even the reason that the SpaceX’s Dragon space probe used Nafion membrane to dehumidify air against a vacuum. Costs of Nafion membranes…
Global energy demand: nervous breakdown?
…steel (7.5%), plastics (6%), cars (5.4%), commercial heat (5%), hydrogen (4.6%), cement (3%), oil refining (3%), agriculture (3%), aviation (2.6%), air conditioning (2.5%), cooking (2.2%), lighting (2.2%) and shipping (1.4%)…
BrightLoop: clean hydrogen breakthrough?
…from a fuel, while also producing a relatively pure stream of CO2, by avoiding the oxidation of the fuel in air (78% nitrogen) and instead circulating solid carrier particles through…
Electromagnetic energy: Planck, Shockley-Queisser, power beaming?
…energy efficiency of microwave energy, transmitting it through space and converting it back to useful electricity via rectennas. https://thundersaidenergy.com/2024/03/21/power-beaming-into-thin-air/ All of the numbers and calculations go back to first principles,…
Cummins: diesel engine and generator technology?
…casting off the shadow of a $1.7bn Clean Air Act fine in 2023, for installing defeat devices. Yet we did find clear, specific and detailed patents improving after-treatment systems. Another…
Industrial cooling: chillers and evaporators?
…three mechanisms: simple heat exchange with ambient air or water (depends on ambient temperatures), evaporating some of the water in an evaporating tower (depends on water availability) and chilling a…