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Policy Spandrels: How Design Decisions Can Open Up Spaces for Unintended Policy Change

open access: yesEuropean Policy Analysis, Volume 12, Issue 2, Spring 2026.
ABSTRACT This article introduces the concept of policy spandrels to make sense of public policies producing second‐order effects that are unintentional from the perspective of policy design and yet are fraught with consequences. By analogy with architectural spandrels—leftover spaces that can be used for unforeseen purposes—policy change can be enabled
Martino Maggetti
wiley   +1 more source

Analysis of the Performance of Straight Bevel Gear and Zero Degree Spiral Bevel Gear for an Engine based on Dynamic Transmission Error

open access: yesJixie chuandong, 2017
For the practical engineering problems,the dynamic transmission error measurement of a two-stage cylindrical gear-bevel gear high-speed transmission system with a straight bevel gear pair and a zero degree spiral bevel gear pair is carried out based on ...
Liu Yang, Tang Jinyuan, Bai Fan
doaj  

Hydraulic In Vitro Characterization of MR‐Conditional Blood Pumps

open access: yesArtificial Organs, Volume 50, Issue 3, Page 393-403, March 2026.
Cardiac surgery in neonates requires close placement of cardiopulmonary bypass machines due to limited blood volume, complicating MR compatibility. This study introduces three MR‐conditional blood pump prototypes. None interfered with MRI imaging, though RF‐related sensor effects remain untested.
Dominik T. Schulte   +6 more
wiley   +1 more source

Finite Element Analysis of Double Arc and Quadruple Arc Spiral Bevel Gear based on Abaqus

open access: yesJixie chuandong, 2017
The quadruple arc spiral bevel gear is a new type of gear with quadruple arc tooth profile applied to the spiral bevel gear. The three-dimensional model is built in Solid Works based on the tooth surface equation of spiral bevel gear with circular arc ...
Ren Zhongyi   +3 more
doaj  

Torque‐Transmitting Architected Metamaterials for Flexible and Extendable Tubular Robotics

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 2, February 2026.
Soft and continuum robots commonly rely on fluid, tendon, or rod‐based power transmissions, to control robotic form and actuation. This study presents an architected structure, based on patterned straight‐line mechanisms, that enables simultaneous bending, extending, and torsionally rigid (BETR) transmission.
Sawyer Thomas, Aman Garg, Jeffery Lipton
wiley   +1 more source

基于UG的椭圆锥齿轮的仿真加工

open access: yesJixie chuandong, 2012
Elliptic bevel gear is a noncircular bevel gear,whose spherical pitch curve of big end is an ellipse.According to the space mesh theory and the generation mechanism of involute gear tooth profile,a processing method of this kind of gear based on UG is ...
刘凯, 夏继强, 石侃
doaj  

Growth of Subsurface Fatigue Fractures in Large‐Size Bevel Gears

open access: yesFatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 2, Page 640-652, February 2026.
ABSTRACT Large‐size bevel gears are commonly used in marine industry for the applications of propulsion, such as azimuth thrusters. The gears are typically designed for specific use, as they are directly transferring power from one component to another.
Erkka Pentti Kasper Virtanen   +4 more
wiley   +1 more source

用中心投影法作直齿圆锥齿轮的仿真模型

open access: yesJixie chuandong, 2010
In order to establish the straight bevel gear sketches and simulation model database,the straight bevel gear profile involute mathematical model is established,and a bevel gear tooth involute profile of the spherical projection formed into the circle ...
胡志勇, 张国兴, 刘海, 刘长增
doaj  

Precision Measurement of Spiral Bevel Gear based on Laser Displacement Sensor

open access: yesJixie chuandong, 2021
Based on the analysis of the characteristics of the existing bevel gear measurement technology, a non-contact measurement method of the bevel gear is proposed based on the laser displacement sensor and the algorithm of the tooth distance deviation, the ...
Zhongwang Lu   +4 more
doaj  

Natural characteristics analysis and experimental test of spiral bevel gear pair in the tractor transmission system

open access: yes, 2021
Spiral bevel gear is widely used in various mechanical transmission systems, such as tractor transmission system. Because it is mainly used in the heavy-load conditions, it would most likely resonate within the rated speed, resulting in tooth fatigue ...
Yuan Chen, Xudong Mou
semanticscholar   +1 more source

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