Results 51 to 60 of about 621 (130)

Nonlinear modeling of thermoacoustic systems [PDF]

open access: yes, 2015
Thermoacoustic systems convert energy from heat to acoustic power and vice versa. These systems have commercial interest due to the high potential efficiency and low number of moving parts.
de Boer, A.   +4 more
core   +1 more source

A Self-Circulating Heat Exchanger for Use in Stirling and Thermoacoustic-Stirling Engines

open access: yesAIP Conference Proceedings, 2005
A major technical hurdle to the implementation of large Stirling engines or thermoacoustic engines is the reliability, performance, and manufacturability of the hot heat exchanger that brings high‐temperature heat into the engine. Unlike power conversion devices that utilize steady flow, the oscillatory nature of the flow in Stirling and thermoacoustic
openaire   +2 more sources

Analysis of the Scale of Global Human Needs and Opportunities for Sustainable Catalytic Technologies. [PDF]

open access: yesTop Catal, 2023
Taseska T   +6 more
europepmc   +1 more source

Long-Lived Venus Lander Conceptual Design: How To Keep It Cool [PDF]

open access: yes, 2009
Surprisingly little is known about Venus, our neighboring sister planet in the solar system, due to the challenges of operating in its extremely hot, corrosive, and dense environment.
Bruder, Geoffrey A.   +3 more
core   +1 more source

Weakly nonlinear thermoacoustics for stacks with slowly varying pore cross-sections [PDF]

open access: yes
A general theory of thermoacoustics is derived for arbitrary stack pores. Previous theoretical treatments of porous media are extended by considering arbitrarily shaped pores with the only restriction that the pore cross-sections vary slowly in the ...
Molenaar, J.   +3 more
core   +2 more sources

The Problem of Engines in Statistical Physics. [PDF]

open access: yesEntropy (Basel), 2021
Alicki R   +2 more
europepmc   +1 more source

Designing a low-cost electricity-generating cooking stove for high-volume implementation [PDF]

open access: yes, 2014
The PhD describes the social science and technical design of an innovative clean cooking stove that also generates electricity for use in developing countries. Key areas of learning adding to the research pool are: 1.
Riley, Paul Howard
core  

Dynamic Power Convertor Development for Radioisotope Power Systems at NASA Glenn Research Center [PDF]

open access: yes
The Thermal Energy Conversion Branch at NASA Glenn Research Center (GRC) is supporting the development of high-efficiency power convertors for use in Radioisotope Power Systems (RPS).
Bolotin G.   +7 more
core   +2 more sources

Numerical modelling of thermoacoustic Stirling engines & refrigerators

open access: yesIOP Conference Series: Materials Science and Engineering
Abstract This paper investigates how numerical modelling can be used to explore thermoacoustic machines and compares the accuracy of the performance predictions for different simulation software. The software used includes one designed for modelling Stirling machines called ‘Sage’ and for modelling thermoacoustic machines called ‘DeltaEC.
H Butson   +5 more
openaire   +1 more source

Novel Thermal Energy Conversion Technologies for Advanced Electric Air Vehicles [PDF]

open access: yes
Future air vehicles will increasingly incorporate electrical powertrains that require very tight integration of power, propulsion, thermal, and airframe technologies.
Dyson, Rodger W.
core   +1 more source

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