Results 111 to 120 of about 3,051 (232)

From Mine to Meal: How Critical Minerals Shape the Future of Food

open access: yesFood and Energy Security, Volume 15, Issue 5, September/October 2026.
ABSTRACT Food systems are increasingly recognised as material‐intensive socio‐technical systems rather than solely biological or land‐based systems. Yet, critical minerals, which underpin both agricultural inputs and emerging clean energy technologies, remain an under‐recognised determinant of modern food security.
Helen Onyeaka   +3 more
wiley   +1 more source

A Detailed Review of Colburn and Friction Factors for Various Types of Fins Used in Compact Plate‐Fin Heat Exchangers

open access: yesHeat Transfer, Volume 55, Issue 6, Page 3495-3522, September 2026.
ABSTRACT Compact plate‐fin heat exchangers (PFHEs) are commonly utilized in diverse industries, including aerospace, automotive, processing, and space. Various fin configurations, such as Plain fins, Wavy fins, Lance and Offset fins (OSFs), Perforated fins, louvered fins, and pin fins, are employed in compact heat exchangers (CHEs).
Chennu Ranganayakulu
wiley   +1 more source

Integrating tunable LED‐induced plant responses with novel solar cell technologies for energy‐efficient agrivoltaic systems

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 5, Page 1434-1448, September 2026.
The increasing demand for sustainable food production requires innovative solutions that balance productivity, resource efficiency, and environmental impact. Vertical Farming Systems (VFSs) offer a promising approach; however, their high energy consumption remains challenging.
Alessio Dessì   +11 more
wiley   +1 more source

Dynamic Characteristics Analysis of a Large Wind Turbine Gearbox Supported by Journal Bearings Under Different Lubrication States

open access: yesWind Energy, Volume 29, Issue 9, September 2026.
ABSTRACT Due to their superior load density, planetary gear journal bearings (PGJB) are progressively replacing rolling element bearings in wind turbine gearboxes; therefore, accurately revealing the dynamic characteristics of drivetrains supported by these bearings under variable operating conditions is crucial for ensuring operational reliability ...
Pengcheng Jin   +3 more
wiley   +1 more source

History of Technologies for Pump-Turbine in Japan

open access: yesThe Journal of The Institute of Electrical Engineers of Japan, 2008
WATANABE, Shigenori, MATSUMOTO, Kiyoshi
openaire   +2 more sources

Wind Masculinities: Extractive, Caste, and Nationalist Rule in Rural India

open access: yesAntipode, Volume 58, Issue 5, September 2026.
ABSTRACT This paper shows how India's wind electricity regime does not simply decarbonize electricity; it reorganizes power through a distinctive wind masculinity—a caste‐coded, infrastructural mode of rule that keeps money, machines, and people moving.
David Singh
wiley   +1 more source

Extrusion‐Based Additive Manufacturing of Advanced Ceramics: Strengthening Mechanisms and Process Optimization Review

open access: yesAdvanced Engineering Materials, Volume 28, Issue 16, 19 August 2026.
This review comprehensively evaluates extrusion‐based additive manufacturing for advanced ceramics, detailing feedstock options and key process parameters. By critically addressing defect mechanisms like porosity and cracking, the work highlights optimization strategies through machine learning and advanced postprocessing.
Meisam Bakhtiari   +4 more
wiley   +1 more source

Thermoplastic‐Resin Transfer Molding Technology: Development and Challenges Toward Industrialization

open access: yesPolymer Composites, Volume 47, Issue 15, Page 13317-13358, 10 August 2026.
Illustration of the key aspects involved in the manufacture of thermoplastic composites by T‐RTM highlighting the relationships between raw materials, resin mixing strategies, polymerization parameters, and processing equipment ranging from laboratory to industrial scale. ABSTRACT Driven by increasingly stringent international environmental regulations,
Filipe P. Martins   +4 more
wiley   +1 more source

Stability Criteria of Reversible Pump Turbines

open access: yes, 2014
The objective in this Master's Thesis was to verify the stability criteria for a centrifugal pump. Operation of an unstable pump may lead to either exponential or oscillatory unstable behavior of both pressure and volume flow of the water in the conduit system. This is of course unwanted, and fulfilling the stability criteria is desirable.
openaire   +1 more source

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