نتایج جستجو برای: arched roof tunnel

تعداد نتایج: 44401  

2017
Michele Venosa Marco Delcogliano Roberto Padua Federica Alviti Antonio Delcogliano

Purpose  The purpose of this study was to investigate, through three-dimensional computed tomography (3D-CT), the accuracy of femoral tunnel positioning in patients undergoing anterior cruciate ligament (ACL) reconstruction, comparing transtibial (TT) and anteromedial (AM) techniques. Methods  We evaluated postoperative 3D-CT scans of 26 patients treated with ACL reconstruction with hamstrings ...

2015
John Kaiser Calautit Hassam Nasarullah Chaudhry Ben Richard Hughes

The data presented in this article were the basis for the study reported in the research articles entitled 'Climate responsive behaviour heat pipe technology for enhanced passive airside cooling' by Chaudhry and Hughes [10] which presents the passive airside cooling capability of heat pipes in response to gradually varying external temperatures and related to the research article "CFD and wind ...

2017
A. J. Bronkhorst C. P. W. Geurts C. A. van Bentum L. P. M. van der Knaap I. Pertermann

An atmospheric boundary layer wind tunnel study was performed to determine the overall horizontal wind load on multi-span duo-pitch greenhouses. The results of this study are intended for the stability design of inflexible cladding system greenhouses (designated as Class A in EN 13031-1) with roof pitch angles of 23–24° and ridge heights of 7.5–8m. Both static force and fluctuating pressure mea...

Journal: :Wireless Personal Communications 2013
Ke Guan Zhangdui Zhong Bo Ai Cesar Briso-Rodríguez

An accurate characterization of the near-region propagation of radio waves inside tunnels is of practical importance for the design and planning of advanced communication systems. However, there has been no consensus yet on the propagation mechanism in this region. Some authors claim that the propagation mechanism follows the free space model, others intend to interpret it by the multi-mode wav...

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 2009

Journal: :The Journal of hand surgery 1996
T K Cobb S W Carmichael W P Cooney

The boundaries of the space through which the ulnar neurovascular bundle crosses the wrist have been reinvestigated. Using gross dissections, transverse and sagittal sections, and histologic study, we determined that the roof of Guyon's canal, the "carpal ulnar neurovascular space," does not directly connect to the hamate bone, as is currently accepted. The roof of this space extends radially t...

2009
George S Murley Hylton B Menz Karl B Landorf

BACKGROUND Some studies have found that flat-arched foot posture is related to altered lower limb muscle function compared to normal- or high-arched feet. However, the results from these studies were based on highly selected populations such as those with rheumatoid arthritis. Therefore, the objective of this study was to compare lower limb muscle function of normal and flat-arched feet in peop...

1997
D. Banks R. N. Meroney

The greatest suction on the cladding of flat roof low-rise buildings is known to occur beneath the conical vortices that form along the roof edges for cornering winds. In a companion paper, a model of the vortex flow mechanism has been developed which can be used to connect the surface pressure beneath the vortex to adjacent flow conditions. The flow model is experimentally validated in this pa...

Journal: :Journal of Asian Architecture and Building Engineering 2021

This study investigated the wind pressure characteristics of an elliptical plan retractable dome roof. Wind tunnel experiments were performed on roofs with varying wall height-to-span ratios (0.1–0.5) and opening (0, 10, 30, 50 %), where ratio was defined as open area roof to total The resulting peak coefficients closed then compared those Japanese load code (AIJ-RLB (2015)) there are no curren...

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