Results 11 to 20 of about 6,309,861 (384)

Investigation of the Strength Parameters of Drilling Pumps during the Formation of Contact Stresses in Gears

open access: yesApplied Sciences, 2021
The relevance of this research lies in the need to develop scientifically based methods for calculating and designing a transmission shaft with a hardened coating of increased strength and service life of a core drilling pump drive that can allow for a ...
Vitaliy Vladimirovich Savinkin   +5 more
doaj   +1 more source

Procedure for Calculation and Design of Spherical Roller Gears with Double-Row Pinion

open access: yesМеханика машин, механизмов и материалов, 2021
The article presents a method for calculating and designing spherical roller gears with a double-row pinion. The studied gears are analogs of planetary gears with a double-wheel pinion. They make it possible to implement a wide range of gear ratios.
Ekateryna S. Lustenkova
doaj   +1 more source

Calculation model and experimental study of the collapse strength of titanium alloy tubing and casing

open access: yesScientific Reports, 2022
Titanium alloy has become a promising candidate material for oil country tubular goods (OCTGs) in harsh service environments owing to its high specific strength, low density, low elastic modulus, excellent toughness, excellent anti-fatigue and corrosion ...
Qiang Liu   +7 more
semanticscholar   +1 more source

The Calculation, Thresholds and Reporting of Inter-Limb Strength Asymmetry: A Systematic Review.

open access: yesJournal of Sports Science and Medicine, 2021
The prevalence of inter-limb strength differences is well documented in the literature however, there are inconsistencies related to measurement and reporting, and the normative values and effects associated with inter-limb asymmetry. Therefore, the aims
Amy O. Parkinson   +4 more
semanticscholar   +1 more source

Algorithm of Strength Calculation of Drive Elements of a Roller Conveyor [PDF]

open access: yesE3S Web of Conferences, 2021
The paper shows an algorithm for determining the load on the electric motor of run-out conveyor starting from determination of the first moment of no load operation during slab conveying, slipping torque of the rollers along the surface of the conveyed ...
Androsenko Mariya   +4 more
doaj   +1 more source

Strength Calculation and Equal Load-Carrying-Capacity Design of an Undermatched HSLA Lap Joint under Out-of-Plane Bending

open access: yesMetals, 2021
This work aimed to design an undermatched lap joint that has an equal load-carrying capacity (ELCC) with a traditional equalmatched joint under out-of-plane bending.
Junli Guo   +3 more
doaj   +1 more source

Loads Calculation and Strength Calculation of Landing String during Deepwater Drilling

open access: yesEnergies, 2023
As an important drilling tool, the landing string will be directly exposed to seawater during surface riserless drilling operations, and it will undergo complex deformation under the action of environmental loads such as ocean currents and waves and the ...
Shaowei Zhao   +4 more
doaj   +1 more source

Methodology for calculating hydrogenerators in strength problemsMethodology for Calculating Hydrogenerators in Strength Problems

open access: yesNTU "KhPI" Bulletin: Power and heat engineering processes and equipment, 2023
In the presented scientific work, the basic design versions of the thrust bearings of Hydrogenerators are considered. The main causes of emergencies in the thrust bearing unit of a high-power Hydrogenerator are considered. The main requirements for the operation of thrust bearings are submitted.
openaire   +3 more sources

Calculation of strength of railway wheels [PDF]

open access: yesIMK-14 - Istrazivanje i razvoj, 2019
Published
Vladimir Sinđelić   +2 more
openaire   +2 more sources

Evaluating CO2 calculation error from organic alkalinity and pH measurement error in low ionic strength freshwaters

open access: yesLimnology and Oceanography: Methods, 2020
Dissolved CO2 concentration calculated from historical or in situ alkalinity and pH measurements according to carbonate equilibria is widely applied in freshwater CO2 studies yet there is long concern on systematic errors associated with the calculation.
Shaoda Liu, D. Butman, P. Raymond
semanticscholar   +1 more source

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