If radiative cooling technology, such as https://www.youtube.com/watch?v=caFzYvYAUo4
were coupled to thermoelectric materials or to a sterling engine then electricity could be generated. Harry On Tue, Jan 4, 2022 at 9:37 AM Jones Beene <jone...@pacbell.net> wrote: > The most interesting new - but actually old - engine development (esp. for > those who think LENR has a future in transportation) is the re-emergence of > the Stilrling design. This engine design and the Brayton cycle, in general, > never made the grade for commercialization - before now, at least. > > Change is in the air... so to speak. Unfortunately China, once again, is > making large engineering gains while we seem to be playing catchup. > > https://www.globaltimes.cn/page/202112/1243157.shtml > > Quote: "the basic prototype of China's first large-bore Stirling engine > successfully conducted the recent performance test... at a rated power of > 320 kilowatts with a power conversion efficiency of 40 percent, making it > the most powerful Stirling engine known around the globe." > > There are few if any diesels which can return 40% efficiency but China got > there on the first prototype, > > The reason that the piston-Sterling could potentially augment LENR is not > well appreciated either. Basically it is because the Brayton cycle is > inherently *closed-cycle*. The Stirling can be either piston or turbine > based, but the piston config is what LENR can possibly optimize with few > changes. > > IOW the closed-cycle is one way to expose a metal catalyst to a flow of > hydrogen without combustion of the hydrogen itself. > > Thus, if the working gas contains even a small percentage of hydrogen and > the piston crown is coated with nickel/palladium alloy, then extra heat > could potentially be extracted - on top of the external heat of combustion > which occurs else where in the design, The LENR would be a booster, so to > speak, > > Will China be the first to realize this ? They did after all, report on > replicating Arata and that was a decade ago. > > > Jed Rothwell <jedrothw...@gmail.com> wrote: > > H LV <hveeder...@gmail.com> wrote: > > We don't really know how steam engines would have evolved because they > were out-competed by diesel engines. > > > As I recall, the last attempts to compete with Diesel engines was with > steam turbines. This source says the Union Pacific actually made two steam > turbine locomotives, and tested them, in 1939 and 1962. > > >
