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1. cond-mat/0005058 Folding Energetics in Thin-Film Diaphragms
- arxiv.org
- From: Antonio DeSimone view email Date: Tue, 2 May 2000 17:58:38 GMT (258kb) Folding Energetics in Thin-Film Diaphragms.
- Cuitino Comments: 11 pages, 3 figures Subj-class: Materials Science We perform experiments on thin-film diaphragms to show that the folding patterns of anisotropically compressed diaphragms are strikingly different from those of isotropically compressed ones. ... We show that the differences between the isotropic and anisotropic cases can be traced back to fundamental changes in the energy structure of the diaphragms. Finally, we point out that the energy structure of thin-film diaphragms is similar to that of many other systems in physics and engineering, into which our study may provide interesting insights. ...
2. Diaphragm Behavior
- www.curee.org
- Diaphragms comprise the horizontal elements in the lateral force resisting system (LFRS) for many structures. In particular, floor systems and roof/ceiling systems are designed to function as horizontal diaphragms in typical wood structures. Diaphragms transfer the resultant forces from applied lateral loads into the shear walls (or other vertical elements) that support the diaphragm. ... When designing wood diaphragms, the following items should be considered: .
- Before beginning a discussion on the design of diaphragms, let us first look at the load path for lateral forces in a simple low-rise wood-frame building.
- Allowable Shear Table - Wood Diaphragms.
- Support for development of the Diaphragms Module was provided by CUREE, PEER, and WSU.
- The Diaphragms Tutorial was designed and created by the following Research Assistants and Faculty at Washington State University: Mike Dodson, Cameron Knudson, Aaron Henson, Dave Pollock (Professor), Michael Symans (Professor), and Ken Fridley (Professor). ...
3. Steel Diaphragms in Prestressed Concrete Girder Bridges (TR-424)
- www.ctre.iastate.edu
- Steel Diaphragms in Prestressed Concrete Girder Bridges (TR-424) .
- Steel Diaphragms in Prestressed Concrete Girder Bridges (TR-424).
- The effect of intermediate diaphragms in providing damage protection to the PC girders of a bridge is not clearly defined. This analytical study focused on the role of intermediate diaphragms in reducing the occurrence of damage in the girders of a PC-girder bridge that has been struck by an over-height vehicle or vehicle load. ...
- This investigation includes the following: a literature search and a survey questionnaire to determine the state-of-the-art in the use and design of intermediate diaphragms in PC-girder bridges. ... These comparisons were conducted to calibrate the finite element models used in the analyses for this research on intermediate diaphragms. ... Each model was analyzed with either a reinforced concrete or two types of steel, intermediate diaphragms that were located at mid-span of an interior span for a PC-girder bridge. The bridge models were analyzed for lateral-impact loads that were applied to the bottom flange of the exterior girders at the diaphragms location and away from the diaphragms location. ...
- These results showed that intermediate diaphragms have an effect in reducing impact damage to the PC girders. When the lateral impact-load was applied at the diaphragm location, the reinforced-concrete diaphragms provided more protection for the girders than that provided by the two types of steel diaphragms. The three types of diaphragms provided essentially the same degree of protection to the impacted, PC girder when the lateral-impact load was applied away from the diaphragm location. ...
4. EPI Diaphragms
- www.engineeringplastics.com
- New About EPI Products Carriers Tanks Diaphragms Brake Pads Bearings .
- Diaphragms.
- PTFE Fluorocarbon Plastic diaphragms can be custom thermoformed in flat, convex or concave, and corrugated shapes, with or without threaded inserts, in sizes up to 12" diameter. ...
- Diaphragms can be developed to withstand pressures up to 1000 psi over a -40°F to +350°F range .
- Corrugated diaphragms are used in pumping applications requiring greater linear displacement or longer linear travel.
- Convex or concave diaphragms allow for a snap action and are useful where sealing or controlling a flow is desirable.
- Fabric reinforced EPDM, Fluorocarbon, Buna-N, or Silicone Rubber Providing greater flexibility than plain TFE diaphragms, an elastomer backing extends their stroke length up to 15% of the overall diameter. Elastomer backed diaphragms are ideal for metering applications where it is necessary to return to a zero position. ...
- New About EPI Products Carriers Tanks Diaphragms Brake Pads Bearings .
5. Effect of aging on taut rubber diaphragms
- naca.larc.nasa.gov
- Effect of aging on taut rubber diaphragms.
- As part of an investigation of special compositions of rubber suitable for use as diaphragms for aircraft instruments, six samples were used as taut diaphragms in instruments and allowed to age for five years. ...
6. 3M Health Care Professionals : 3Mā ¢ LittmannĀ® Stethoscope Diaphragms (Printed with Littmann Logo)
- products3.3m.com
- Printer-friendly format 3Mā ¢ LittmannĀ® Stethoscope Diaphragms (Printed with Littmann Logo) .
- Floating diaphragms are available for 3Mā ¢ LittmannĀ® Cardiology II, Cardiology, Classic II, Classic II Pediatric, Classic II Infant, Classic, Lightweight, Blood Pressure, and Differential Stethoscopes, and for the 3Mā ¢ LittmannĀ® Anesthescope. ...
- Common Questions - Littmann Floating Diaphragms w/Littmann Logo - Questions and Answers (PDF 19. ...
- Littmann Stethoscope Diaphragms (printed with Littmann logo) - Catalog (PDF 47. ...
- 3Mā ¢ LittmannĀ® Stethoscope Diaphragms (printed with Littmann logo) 36559 LittmannĀ® floating diaphragm for LittmannĀ® Cardiology II, Cardiology, Classic II, Classic, Lightweight, and Differential Stethoscopes .
- 3Mā ¢ LittmannĀ® Stethoscope Diaphragms (printed with Littmann logo) 36560 LittmannĀ® floating diaphragm for LittmannĀ® Electronic Model 4000, Model 2000, and Classic II Pediatric Stethoscope .
- 3Mā ¢ LittmannĀ® Stethoscope Diaphragms (printed with Littmann logo) 36561 LittmannĀ® floating diaphragm for LittmannĀ® Classic II Infant Stethoscope .
- 3Mā ¢ LittmannĀ® Stethoscope Diaphragms (printed with Littmann logo) 1223760679 LittmannĀ® floating diaphragm for LittmannĀ® Anesthescope (not printed with Littmann logo) .
7. Tempron Products Corp, Bonding rubber, PTFE, Teflon, metal, plastic, and fabric for pump diaphragms and seals
- www.tempron.com
- Tempron Products Corporation is a custom manufacturer of bonding / bonded rubber, PTFE, Teflon, metal, plastic, and fabric for pump and valve diaphragms and seals. We also custom manufacture thin all Teflon™/PTFE diaphragms and seals as well as composites. ...
8. ContiTech - Products - Diaphragms - Gas holder diaphragms
- www.contitech.de
- Products Diaphragms Gas holder diaphragms.
- Gas holder diaphragms.
- We develop and manufacture gas holder diaphragms for a virtually unlimited range of applications in accordance with our own and our customer's specific requirements. ...
- Gas holder diaphragms.
- Extremely low-permeating and temperature-resistant diaphragms used in Wiggins gas holders.
- Steam accumulator diaphragms.
- Steam accumulator diaphragms for reduction of pollutant emissions and energy costs in tank farms within the mineral oil industry.
- Sewer gas diaphragms.
- Diaphragms for various types of.
- The advantages of ContiTech gas holder diaphragms. ...
9. PTFE diaphragms and bellows operate up to 260degC - Ceetak
- www.manufacturingtalk.com
- PTFE diaphragms and bellows operate up to 260degC.
- Highly stable PTFE diaphragms and bellows can withstand a wide variety of temperatures up to 260degC and resist prolonged exposure to most chemicals or process solutions.
- Ceetak, the leading UK developer and manufacturer of seal products and mouldings, has launched its latest range of PTFE diaphragms and bellows. ... In particular, the new diaphragms and bellows have been developed for applications in the chemical, pharmaceutical, food and offshore sectors, where high temperatures or aggressive media are encountered. The PTFE range of diaphragms and bellows are capable of withstanding a wide variety of temperatures up to 260degC and can resist prolonged exposure to most chemicals or process solutions. ... The latest range of PTFE diaphragms are ideal for controlling or separating the flow of aggressive media in valves and pumps, or as spacers in equipment such as heat exchangers, while the range of PTFE bellows can be used to provide flexible connections in pipework and to protect glass tubes or vessels, or as universal joints, slide units and special sealing mechanisms. ... Diaphragms and bellows can also be supplied with flanges reinforced with glass fibre. ...
10. Information Notice No. 81-36: Replacement Diaphragms for Robertshaw Valve (Model No. VC-210)
- www.nrc.gov
- 81-36: REPLACEMENT DIAPHRAGMS FOR ROBERTSHAW VALVE (MODEL NO. ... The diaphragm satisfied the following service conditions: o Compatible with the turbine oil recommended by the turbine vendor o 40 psig maximum service pressure o 250F maximum service temperature o 1000 minimum cycles Replacement Buna-N diaphragms are available from Terry Corporation or through the General Electric Company. ... This information notice on replacing diaphragms is being provided as an early notification of a potentially significant matter. ...
11. OMRON Healthcare, INC.- Can I use the SafeSeal™ disposable diaphragms over existing hard diaphragms?
- www.omronhealthcare.com
- Can I use the SafeSeal™ disposable diaphragms over existing hard diaphragms? .
12. Designers' Guide to Cross-Frame Diaphragms
- www.steel.org
- DESIGNERS' GUIDE TO CROSS-FRAME DIAPHRAGMS.
- FUNCTION OF INTERMEDIATE CROSS-FRAME DIAPHRAGMS.
- DETAILING OF INTERMEDIATE CROSS-FRAME DIAPHRAGMS .
- CROSS-FRAME DIAPHRAGMS AS ERECTION AIDS.
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