Results 111 to 120 of about 696,534 (250)

Computational fluid dynamics modeling and analysis of cyclone separator design for engine air filtration

open access: yesJournal of Engineering and Applied Science
Engines operating in dusty mining environments are vulnerable to intake fouling and combustion degradation from high particulate loading. This study evaluates a cyclone separator as a passive pre-filtration device for heavy-duty generator air intakes ...
Wildan Alfa Rahman   +4 more
doaj   +1 more source

When Smoke Enters the City: Challenges for HVAC Filters in Resilient Buildings

open access: yesUrban Science
Climate-driven increases in wildfire activity threaten urban air quality both through long-range smoke transport from rural fires and direct exposure as the wildland–urban interface expands.
Tanya Shirman, Hediyeh Zamani, Sissi Liu
doaj   +1 more source

Bridging Academic Research and Business Practices at the Crossroad of Circular Economy and the SDGs

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The global shift toward sustainability has amplified interest in the Circular Economy, which aims to optimize resource use and minimize waste. In parallel, the Sustainable Development Goals (SDGs) provide a universal framework for addressing social, environmental, and economic challenges.
Corentin Juin, Andrea Nicolodi
wiley   +1 more source

Reaction-diffusion effects on species mixing rates in turbulent premixed methane-air combustion

open access: yes, 2009
The scalar mixing time scale, a key quantity in many turbulent combustion models, is investigated for reactive scalars in premixed combustion. Direct numerical simulations of threedimensional, turbulent Bunsen flames with reduced methane-air chemistry ...
Grout, R.W.   +3 more
core  

Beyond Closed Loops: Advancing Climate Change Mitigation by Collaborative Open Approaches

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Even as world leaders emphasize the urgency of limiting global warming, a slow transition to a circular economy persists. While climate mitigation efforts focus on renewable energy and efficiency measures, addressing the 45% of emissions from product manufacturing remains critical.
Anna‐Kristin Behnert   +2 more
wiley   +1 more source

Comparison of spray combustion for Jet-A and diesel in a constant volume chamber

open access: yes, 2013
This work investigates the effect of ambient conditions on jet-A spray combustion in an optical constant volume combustion chamber. Based on the data of jet-A and diesel fuel data obtained from previous experiments, a comparison between jet-A and diesel ...
Roberts, William L.   +2 more
core  

Weather Action: A Study on the Industry Peer Effects of Corporate Climate Risk Information Disclosure

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Global climate change has elevated the strategic importance of corporate climate risk disclosure, yet the role of industry peer effects in shaping such disclosure remains underexplored. Grounded in social learning theory, this study proposes an “observation–imitation–reinforcement” framework and empirically tests it using panel data on Chinese
Huer Shuang   +3 more
wiley   +1 more source

Diesel spray combustion characteristics in a combustion vessel: Effect of injection pressure and Green diesel

open access: yes, 2013
Experimental work has been performed to characterize diesel spray combustion in an optically accessible constant-volume combustion vessel. A single-hole diesel injector with nozzle diameter of 100 urn has been used for testing.
Zhang A.   +3 more
core  

Circular Economy in Crisis Contexts: An Assessment Framework for Post‐Disaster Building Stock Toward Strategic Autonomy

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Post‐disaster contexts generate large volumes of damaged building stock with significant, yet often unquantified, circularity potential. Through the lens of strategic management, the circular economy emerges as a transformative pathway to strengthen systemic resilience by reducing dependencies on external resources and mitigating supply chain ...
Tetiana Shevchenko   +4 more
wiley   +1 more source

Porous Ag/NiO Nanosheet Catalysts With Electronic Metal–Support Interaction for Efficient Soot Oxidation via a NOx‐Assisted Mechanism

open access: yesCarbon and Hydrogen, EarlyView.
Ag nanoparticles dispersed on porous NiO nanosheets via GBMR method deliver superior soot oxidation performance at 359°C, where Ag–NiO interaction promotes interfacial oxygen activation and NOx‐assisted mechanism, offering design principles for advanced emission control technologies.
Yaxiao Ma   +7 more
wiley   +1 more source

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