Results 191 to 200 of about 629 (229)

Research on Heat Transfer Enhancement of Spiral Grooved Tube Heat Exchangers Based on CFD and Artificial Intelligence

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Driven by the energy crisis and carbon neutrality goals, high‐efficiency heat exchange equipment has become a core demand in the industrial sector. The spiral grooved double‐pipe heat exchanger exhibits significant heat transfer enhancement advantages, yet it requires balancing heat transfer efficiency and pressure loss.
Yueyun Yang, Wei Li, Xiuzhi Xi, Neng Gao
wiley   +1 more source

Evaluation of the Use of Different Sensitive Cardiac Biomarkers in Determining Myocardial Damage in Cows With Subclinical and Clinical Ketoses. [PDF]

Vet Med Sci
Uztimür M, Ünal CN, Sağiroğlu M.
europepmc   +1 more source

Integrating machine learning, deep learning, and image analysis for seed species classification

Applications in Plant Sciences, EarlyView.
Abstract Premise The growing demand for wildflower seeds in ecological restoration requires reliable species identification, yet current market products often contain heterogeneous species. As seed identification is labor‐intensive and requires advanced botanical knowledge, we evaluated multiple segmentation and classification approaches to determine ...
Jonathan Ashworth, Eloise Barrett, Rebonto Haque, Ben Wildey, Anthony Hall, Felix Shaw, Jose J. De Vega   +6 more
wiley   +1 more source

Exploring ambivalence: A psychoanalytic analysis of emotional complexity in selected Amharic novels. [PDF]

PLoS One
Dibekulu D, Dagnew T, G/Meskel T.
europepmc   +1 more source

Survival analysis for predicting fitness app user churn. [PDF]

Mhealth
Zakrzewska M, Bastidas-Jossa O, Mendez-Zorrilla A, Montane J, Garcia-Zapirain B.   +4 more
europepmc   +1 more source

A Bright and Dynamic Future in Structural Biology. [PDF]

Adv Exp Med Biol
Yang X.
europepmc   +1 more source

Idea engines: Unifying innovation & obsolescence from markets & genetic evolution to science. [PDF]

Proc Natl Acad Sci U S A
Lee ED, Kempes CP, West GB.
europepmc   +1 more source

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Churning power losses of a gearbox with spiral bevel geared transmission

Tribology International, 2019
Abstract To predict the churning power losses in a gearbox with spiral bevel geared transmission, based on the Computational Fluid Dynamics (CFD) method, a numerical simulation model for the splash lubrication of the intermediate gearbox of a helicopter including gear box housing, a spiral bevel gear pair and an oil guide device is established and ...
Xiaozhou Hu, Yu Dai
exaly   +2 more sources

A Novel Prediction Model for Churning Power Loss of Spur Gear

Lubrication Science
ABSTRACTThe prediction of churning power loss has been a difficult problem in the analysis of spur gears. Thus, an analytical prediction model based on the redefinition of churning power loss and energy transformation is proposed to estimate the churning power of spur gears. Churning power loss is defined as the combination of the power loss due to the
Fuchun Jia
exaly   +2 more sources

Development of an analytical model to estimate the churning power losses of a spiral bevel gear

Tribology International, 2020
Abstract A quasi-analytical model based on fluid mechanics is established to estimate the no-load power losses of a spiral bevel gear with splash lubrication. The no-load losses are defined as the sum of churning power loses and windage power losses.
Xiang Zhu
exaly   +2 more sources