Results 91 to 100 of about 2,216 (204)

Mixed acoustic–entropy combustion instabilities in gas turbines [PDF]

open access: yes, 2014
A combustion instability in a combustor terminated by a nozzle is analysed and modelled based on a low-order Helmholtz solver. A large eddy simulation (LES) of the corresponding turbulent, compressible and reacting flow is first performed and analysed ...
Motheau, Emmanuel   +2 more
core   +3 more sources

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  

Case study of an Organic Rankine Cycle (ORC) for waste heat recovery from an Electric Arc Furnace (EAF) [PDF]

open access: yes, 2017
The organic Rankine cycle (ORC) is a mature technology for the conversion of waste heat to electricity. Although many energy intensive industries could benefit significantly from the integration of ORC technology, its current adoption rate is limited ...
De Paepe, Michel   +6 more
core   +1 more source

Operating characteristics of a standing-wave, liquid-piston thermoacoustic engine with phase-change

open access: yesResults in Engineering
Low-grade heat from industrial waste streams, solar-thermal and geothermal, represents a significant energy source currently under-utilized. Phase-Change Thermoacoustic Engines, also known as Wet Thermoacoustic Engines (WTE) consist of a stack (porous ...
Ido Ben-Hertzel   +3 more
doaj   +1 more source

Low-Concentration Solar-Power Systems Based on Organic Rankine Cycles for Distributed-Scale Applications: Overview and Further Developments [PDF]

open access: yes, 2015
This paper is concerned with the emergence and development of low-to-medium-grade thermal-energy-conversion systems for distributed power generation based on thermo- dynamic vapor-phase heat-engine cycles undergone by organic working uids, namely ...
Markides, CN
core   +2 more sources

Frozen sound: An ultra-low frequency and ultra-broadband non-reciprocal acoustic absorber. [PDF]

open access: yesNat Commun, 2023
Maddi A   +5 more
europepmc   +1 more source

Harnessing sound waves for sustainable energy: Advancements and challenges in thermoacoustic technology

open access: yesEnergy Nexus
In the face of urgent global environmental challenges, the pursuit of sustainable technologies has become of utmost importance. Thermoacoustic technology has emerged as a promising energy conversion method with potential applications in various domains ...
Ussama Ali, Omar Al-Mufti, Isam Janajreh
doaj   +1 more source

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

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