Development of Pore Pressure Measurement System in Lacunocanalicular Network of Trabeculae Using MEMS Based Micro-Pressure Transducer

2007 ◽  
Vol 345-346 ◽  
pp. 1157-1160 ◽  
Author(s):  
Jung Hwa Hong ◽  
Young Hwan Park
Keyword(s):  
Pore Pressure ◽  
Measurement System ◽  
Experimental Measurement ◽  
Pressure Measurement ◽  
Static Loading ◽  
Pressure Transducer ◽  
Experimental Setup ◽  
Elastic Range ◽  
Pressure Measurement System

Experimental measurement of pore pressure generation in lacunocanalicular network of trabeculae is never measured, although the characteristics could be important for bone remodeling. In this study, the pore pressure generation in micro-trabecular specimens within the elastic range was measured in vitro using a specially designed micro-experimental setup and a MEMS based micro-pressure transducer. Then, a quasi-static loading (9㎛/min) was applied up to the strain of 0.4 % with measuring pore pressure generations in the undrained and drained conditions. 49.2 ± 4.45 KPa of pore pressure generation at the 0.4% strain was found in the undrained condition. In contrast, no pore pressure generation was measured in the drained condition. The result could let us know the amount of a possible maximum pore pressure generation in lacunocanalicular network of trabeculae within the elastic range.

1997 William J. Stickel Bronze Award. Comparison of strategies for reducing pressure at the site of neuropathic ulcers

1997 ◽  
Vol 87 (10) ◽  
pp. 466-472 ◽  
Author(s):  
JG Fleischli ◽  
LA Lavery ◽  
SA Vela ◽  
H Ashry ◽  
DC Lavery
Keyword(s):  
Diabetes Mellitus ◽  
Measurement System ◽  
Pressure Measurement ◽  
Scientific Data ◽  
Consistent Pattern ◽  
Great Toe ◽  
The Third ◽  
System Data ◽  
Pressure Measurement System ◽  
Neuropathic Ulcers

Few scientific data are available on the effectiveness of commonly used modalities for reducing pressure at the site of neuropathic ulcers in persons with diabetes mellitus. The authors' aim was to compare the effectiveness of total contact casts, half-shoes, rigid-soled postoperative shoes, accommodative dressings made of felt and polyethylene foam, and removable walking casts in reducing peak plantar foot pressures at the site of neuropathic ulcerations in diabetics. Using an in-shoe pressure-measurement system, data from 32 midgait steps were collected for each treatment. There was a consistent pattern in the devices' effectiveness in reducing foot pressures at ulcer sites under the great toe and ball of the foot. Removable walking casts were as effective as or more effective than total contact casts. Half-shoes were consistently the third most effective modality, followed by accommodative dressings and rigid-soled postoperative shoes.

scholarly journals Design and Development of a Nonintrusive Pressure Measurement System for Pipeline Monitoring

2014 ◽  
Vol 5 (3) ◽  
pp. 04014001 ◽  
Author(s):  
A. M. Sadeghioon ◽  
Robert Walton ◽  
David Chapman ◽  
Nicole Metje ◽  
Carl Anthony ◽  
...  
Keyword(s):  
Measurement System ◽  
Pressure Measurement ◽  
Design And Development ◽  
Pipeline Monitoring ◽  
Pressure Measurement System

Evaluating the suitability of thick-film TiO2 capacitors for use in a wireless pressure measurement system

2006 ◽  
Vol 26 (5-7) ◽  
pp. 1077-1081 ◽  
Author(s):  
K. Arshak ◽  
D. Morris ◽  
A. Arshak ◽  
O. Korostynska ◽  
E. Jafer
Keyword(s):  
Thick Film ◽  
Measurement System ◽  
Pressure Measurement ◽  
Pressure Measurement System

Experimental Study of Multiphase Flow in Cold Box Core Process

2000 ◽  
Author(s):  
Sayavur I. Bakhtiyarov ◽  
Ruel A. Overfelt
Keyword(s):  
Experimental Study ◽  
Multiphase Flow ◽  
Measurement System ◽  
Pressure Measurement ◽  
Test Specimen ◽  
Filling Process ◽  
Cold Box ◽  
Pressure Measurement System ◽  
Sand Deposition

Abstract The results of experimental study of pressure variations inside core box during resin bonded sand filling process are reported. The test core specimens were produced using Laempe® Test Specimen Curing Machine L 1. A special pressure measurement system was designed and built with safety and portability requirements of the foundry environment. Special experiments were conducted to establish the effect of sand deposition on vent permeability.

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