Results 51 to 60 of about 32,495 (296)

Fabrication of Stirling Engine and study its characteristics

open access: yesTikrit Journal of Pure Science, 2018
Gama Stirling engine was designed and manufactured using low cost materials, which operates on Stirling cycle. Air was used as a working fluid, the engine can be heated by any fuel.
Yaseen H. Mahmood, Hayder M. Abed
doaj   +1 more source

One‐Step Electrodeposition of Iron Oxyhydroxide Onto 3D Porous Graphene Substrates for on Chip Asymmetric Micro‐Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
A micro‐supercapacitor with electrodeposited iron oxyhydroxide (FeOOH) as the negative electrode and birnessite manganese oxide (MnO2) as the positive electrode achieves a 2 V working voltage, stable cycling in an aqueous electrolyte, and high energy and power densities of 21 μWh cm‐2 and 2.5 mW cm‐2 respectively.
Filipe Braga   +6 more
wiley   +1 more source

Overview of the 1985 NASA Lewis Research Center SP-100 free-piston Stirling engine activities [PDF]

open access: yes, 1985
This effort is keyed on the design, fabrication, assembly, and testing of a 25 kWe Stirling space-power technology-feasibility demonstrator engine. Another facet of the SP-100 project covers the status of a 9000-hr endurance test conducted on a 2 kWe ...
Slaby, J.
core   +1 more source

The Convergence of Artificial Intelligence and Sustainability Reporting: A Systematic Review of Applications, Challenges and Future Directions

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This research examines the potential of artificial intelligence (AI) to improve sustainability reporting, particularly in relation to environmental, social and governance (ESG) issues. Despite growing interest in the field, the integration of AI in sustainability remains underexplored, especially in terms of its impact on data accuracy ...
Fairouz Mustafa   +2 more
wiley   +1 more source

Exploring Solar Thermal Collector Technologies: Efficiency, Performance, and Advanced Concentration Strategies

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Solar thermal collector technology is crucial for capturing renewable energy to support sustainable thermal uses. Nonetheless, traditional designs frequently experience optical losses, ineffective thermal storage and variable performance under different levels of sunlight.
R. Iyankumar   +7 more
wiley   +1 more source

Automotive Stirling Engine Development Program [PDF]

open access: yes
The background and history of the Stirling engine, the technology, materials, components, controls, and systems, and a technical assessment of automotive stirling engines are ...
Dowdy, M.   +3 more
core   +10 more sources

Longitudinal Progression of Traumatic Bone Marrow Lesions Following Anterior Cruciate Ligament Injury: Associations With Knee Pain and Concomitant Injuries

open access: yesJournal of Orthopaedic Research, EarlyView.
ABSTRACT Traumatic bone marrow lesions (BMLs) occur in ~80% of anterior cruciate ligament (ACL) injuries, typically in the lateral femoral condyle (LFC) and lateral tibial plateau (LTP). Associated with microfractures, vascular proliferation, inflammation, and bone density changes, BMLs may contribute to posttraumatic osteoarthritis.
Callie E. Stirling   +4 more
wiley   +1 more source

Energy, exergy, exergoeconomic, and environmental analyses and multi-objective optimization of a biomass-to-energy integrated thermal power plant

open access: yesAlexandria Engineering Journal, 2022
A novel biomass-driven heat and power cogeneration system comprising biomass gasification, a gas turbine, a Stirling engine, and a supercritical carbon dioxide cycle integrated with a domestic water heater was proposed in this work.
Fan He   +4 more
doaj   +1 more source

Phase-angle controller for Stirling engines [PDF]

open access: yes, 1980
An actuator includes a restraint link adapted to be connected with a pivotal carrier arm for a force transfer gear interposed between the crankshaft for an expander portion of a Stirling engine and a crankshaft for the displacer portion of the engine ...
Mcdougal, A. R.
core   +1 more source

A Linear‐to‐Linear Cross‐Polarization Conversion q‐BIC Metasurface for Transmission Mode Mid‐Infrared Spectral Filtering

open access: yesLaser &Photonics Reviews, EarlyView.
Manipulating the ultranarrow linewidth spectral features of quasi bound states in the continuum is challenging. A metasurface supporting linear‐to‐linear cross‐polarization coupling efficiency surpassing 25% is proposed to address the issue. Less than 100 nm linewidth is achieved, enabling the device to be applied to wavelength‐selective polarization ...
Shuhao Wu   +5 more
wiley   +1 more source

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