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Flexible Pipe Stress and Fatigue Analysis - DiVA

Henan Li Marine Technology Submission date: June 2012 Supervisor: Svein Sævik, IMT Norwegian University of Science and Technology Department of Marine Technology THESIS WORK SPRING 2012 for Stud. tech. Henan Li Flexible Pipe Stress and Fatigue Analysis Spennings- og utmatnings-analyse av fleksible stigerø r The flexible riser represents a vital part of many oil and gas production systems. During operation of such risers, several failure incidents may take place e.g. caused by fatigue and corrosion. In limit cases where inspections indicate damage, the decision making with regard to continue operation or replacing the riser may have large economic and environmental consequences. Hence, the decision must be based on accurate models to predict the residual strength of the pipe. In most applications, one or several steel layers are used to carry the hoop stress resulting from internal pressure. This is further combined with two layers of cross-wound armour tendons (typically 40-60 tendons in one layer installed with an angle of 35o with the pipe’s length axis) acting as the steel tensile armour to resist the tension and end cap wall force resulting from pressure. The riser fatigue performance may in many cases be governed by the dynamic stresses in the tensile armour. The existing lifetime models for such structures is primarily based on inherent assumptions with respect to the slip properties of the tensile armour. This thesis work focus on establishing a FEM based model for analysis of the tensile armour, so as to analyse the stress and slip behaviour when exposed to different load conditions. The thesis work is to be based on the project work performed and shall include the following steps: 1) Literature study, including flexible pipe technology, failure modes and design criteria, analytical methods for stress analysis of flexible pipes,...

Coflexip® - Flexible Steel Pipe for Drilling and Service ... - Technip

DESCRIPTION OF A COFLEXIP® FLEXIBLE LINE The Coflexip® Flexible Line Coflexip® products are designed for oilfield services, both on and offshore, where heavy duty is required in combination with Flexible lines are manufactured in long continuous sections (up to several kilometres) and are cut to fit each client's requirements. End fittings with the most common types of end connectors are kept in stock thus minimising delivery times. End connectors not kept in stock will be machined or obtained according to the client's specifications. Delivery time depends mainly on the type of end connectors required and our client’s particular specifications. The pipe structure Coflexip® pipes are composed of successive layers of steel and thermoplastic to produce unique structures that have the strength and durability of steel pipes combined with the flexibility of reinforced rubber hoses. Each layer works independently from the others, as no vulcanisation is used during manufacturing. This results in the structural stability of the pipe. flexibility and Functions of Coflexip® pipe components reliability. These requirements are in applications such as: Choke and kill lines Rotary and vibrator lines Test lines Hydraulic lines Acid and cement lines Nitrogen lines Coflexip® flexible pipes for drilling and service applications are manufactured by the Drilling & Refining Applications Division of the Technip Group 2 1. The thermoplastic inner tube makes the pipe leak-tight. 2. The interlocked zeta and flat steel spiral pressure carcass resist internal pressure and external crushing loads. 3. The intermediate thermoplastic sheath is an anti-friction layer. 4. The double crosswound steel armours resist axial loads, protect the pipe from torsional strain resulting from handling and working conditions. 5. The thermoplastic outer jacket protects the armours from external corrosion. 6. The Stainless Steel Outer Wrap (SSOW), protects the pipe from mechanical impact, abrasion, weathering and accidental mishandling.

Excelon RNT Clear Flexible PVC Tubing Specifications

Clear Flexible PVC Tubing • Clear material, with a dense, smooth bore • Resistant to oxidation, chemicals and bacteria • Chemical or thermal bonding • Can be gas or radiation sterilized Physical Properties** • Extreme flexibility permits easy set-ups RNT Hardness, Shore A Tensile Strength, psi Elongation at Break, % Brittle Temperature, °F Specific Gravit y 68 2000 400 -41 1.20 • Available in transparent or opaque colors • Flushes clean with most conventional cleaners and sanitizers ** Values listed are typical and are meant only as a guide to aid in design. Field testing should be performed to find the actual values for your application. RNT ID OD SIZE NO. WALL LBS./FT. MAX.WKG. PSI AT 68°F STD. LENGTHS PART NO. 1/16 3/32 0.120 1/8 1/8 5/32 5/32 0.170 3/16 3/16 3/16 3/16 1/4 1/4 1/4 5/16 5/16 5/16 3/8 3/8 3/8 3/8 3/8 7/16 7/16 7/16 1/8 5/32 0.170 3/16 1/4 7/32 11/32 1/4 5/16 1/4 3/8 7/16 3/8 7/16 1/2 7/16 1/2 9/16 1/2 3/4 7/8 9/16 5/8 9/16 5/8 11/16


FLEXIBLE HOSE DATA SHEET EASYFLEX Flexible Sprinkler Drops are designed to significantly reduce labor and installation costs. By eliminating the need for pipe cutting and midline connections, you save valuable time and money. EASYFLEX Flexible Sprinkler Drops can be installed on almost any suspended commercial ceilings. The flexible hose allows for fast installation while our innovative brackets are simple and easy to install. Brackets for T-Bar ceiling grids, wall mount, metal studs, woodbeams, open hat channels, industrial ducts, and cleanrooms. No special tools required, and installation completed in a few easy steps. Flexible hoses come in braided or unbraided types, from 24” to 72” in length. EASYFLEX Flexible Sprinkler Drops Appliance Standards National Fire Protection Association (NFPA): - NFPA 13: Standard for the Installation of Sprinkler Systems - NFPA 13D: Standard for the Installation of Sprinkler Systems in One and Two-Family Dwellings and Manufactured Homes - NFPA 13R: Standard for Installation of Sprinkler Systems in residential Occupancies up to and including four stories in height American Society for Testing and Methods (ASTM): - ASTM C635: Standards specifications for the manufacture, performance, and testing of metal suspension systems for acoustical tile and lay-in panel ceilings...


When a flow is driven through a deformable channel or tube, interactions between fluid-mechanical and elastic forces can lead to a variety of biologically significant phenomena, including nonlinear pressure-drop/flow-rate relations, wave propagation, and the generation of instabilities. Understanding the physical origin and nature of these phenomena remains a significant experimental, analytical, and computational challenge, involving unsteady flows at low or high Reynolds numbers, large-amplitude fluid-structure interactions, free-surface flows, and intrinsically 2D or 3D motion. Whereas frequently the internal flow involves a single fluid phase (albeit often of a complex biological fluid such as blood), in many instances the presence of two or more distinct flowing phases is of primary importance (as is the case for air-liquid flows in peripheral lung airways, for example). We divide this review accordingly: Section 2 treats single-phase flows in collapsible tubes, Section 3 covers recent applications of such flows to a wide range of physiological 0066-4189/04/0115-0121$14.00

RCC Turbos - Stage 1 Turbo Install - Suzuki Hayabusa - Gen 1

RCC Turbos - Stage 1 Turbo Install: Suzuki Hayabusa (Gen 1) • Preparation/Disassembly: Remove the seat. Disconnect negative terminal on the battery. Drain the fuel tank. Remove the fuel tank. Remove the stock fuel pump from the tank. Remove the air box. Remove the MAP sensor and temperature sensor from the air box. Remove left and right side fairings. Drain engine oil. Drain engine coolant. Remove the oil filter Remove the oil restrictor, behind the filter. Remove the oil cooler lines. Remove the radiator and oil cooler, as one unit, leaving only the bracket/support for radiator (before reinstalling the radiator please remove all the tabs along the bottom of the radiator). Remove the entire exhaust system. Remove the PAIR system. Remove the oil pan from the engine. • Sensor Bracket Modification: On the left hand side of bike, on the inside of the frame, you will see a bracket, with a plastic vacuum canister, vacuum control solenoid valve, atmospheric pressure sensor, and some vacuum lines, with a check valve in the vacuum line. Please remove this entire bracket, eliminate all the vacuum lines, the plastic canister, and the control solenoid valve, and also cut off the metal tab that held the vacuum canister. Then reinstall this bracket with only the atmospheric pressure sensor, and plug the wires back in. • Tap/plug PAIR System Holes: Tap the four small PAIR system holes, above the exhaust ports, with an M6 x 1.0 tap. Install the four small M6 screws into the exhaust holes after tapping them. • Modify the Oil Pan: Drill a ¾” hole on the left side of the oil pan. Use thread sealant on the washer, and red Loctite on the threads. Make sure the sealing washer is against the inside of pan, then the stainless flat washer, then the nut. Once the fitting is installed, reinstall the oil pan. • Install Header/Turbo/Oil Lines/Exhaust: Install the header and turbo as a unit, but with the bolts loose. Use four of your original header bolts on the top of the turbo header (Allen head). Use the four new bolts on the bottom row of the header (M8, 10mm flange head). PLEASE NOTE! After installing the dump pipes and waste gate, the nipple on the top of the waste gate remains open, and no hose gets installed on the top fitting. The top fitting is used for boost control on Stage 2 and higher end kits. It is not used on Stage 1 kits.

Savage Gulf Trail Map - Friends of South Cumberland State ...

GREETER TRAIL General Description: This short trail connects the Alum Gap Camp Area with the Greeter Falls Area. The first mile is an easy plateau top walk with the last half mile a moderate gorge walk. The falls are sometimes dry but there is always a cool water hole at the bottom. Miles Trail Description: 0.0 Trail begins at Alum Gap, 1 mile down Big Creek Gulf Trail from camping area. Big Bluff Overlook to left. 0.2 1.0 Suspension Bridge across Boardtree Creek, junction of Greeter Falls Loop Trail. 1.3 Trail splits—left is Lower Falls (50’ high) and plunge pool; right is Upper Falls (15’ high) Greeter Falls. 1.4 General Description: This long, difficult trail is designed to accommodate extended trips. Half the length is the Collins River Gorge and the other half is along the east rim. The gorge section has many beautiful geological features. Trail is closed during part of winter due to dangerous ice buildup at 6.3. Miles Trail Description: Trail begins atop Peak Mountain at the end of the South Rim Trail and the Stage 0.0 Road Historic Trail. 0.5 Blue Branch Overlook to the right, an outstanding view of a short tributary gorge and the main gulf. Ford of Blue Branch; thick Rhododendron growth. 1.1 Horsepound Point Overlook to right. 1.8 2.4 Standing Rock Overlook to right. 2.6 Collins River Overlook to right. 3.0 A small stream is forded with the remains of an old moonshine still visible to the left. Another still site to the left on a larger stream. 4.7 4.9 Collins East Camp Area to left. 5.3 Collins River is crossed on a 100’ suspension bridge, above huge boulders. 6.2 Collins West Camp Area on trail straight ahead; main trail to right. Camp area is on the mountaintop and has the best overlook along the trail—Rocky Point. There is also a parking area from 55th AVE off HWY 108, 1/4th mile out access trail from campsite. 6.3 The spectacular triple waterfall of Rocky Mountain Creek, a huge overhang, and creek ford. A large mound of fallen rocks and exceptionally large Chestnut Oak Tree to trail 6.8 right; start of descent.....

Pressure Sensor Market by 2017
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Recent report published by MarketsandMarkets forecast that the value of pressure sensor market was $5.11 billion in 2011 and is expected to reach $7.34 billion in 2017, at an estimated CAGR of 6.3% from 2012 to 2017.

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Dolmar / Makita Chainsaws Parts - John Mc Cormick

John McCormick (Importers and Distributors) Ltd DOLMAR / MAKITA CONTENTS PS34 / DCS34 CHAINSAW SPARES 116Si / 120Si CHAINSAW SPARES DCS6000i / 6800i CHAINSAW SPARES The use of a Trade Name in relation to John McCormick Ltd is not to be taken as any indication that such parts are made, marketed or warranted by any other party. Original Equipment numbers are used for identification purposes only. John McCormick CHAINSAW JMC Part No Part No Description Replaces OEM No PS34 / DCS34 Chainsaw Spares Electronic Ignition Assy 036140020 (includes flywheel) Fits PS34 / DCS34 Cover Plate 036213040 Fits PS34 / DCS34 Primer Bulb 369155010 Fits PS34 / DCS34 Fuel Pipe 965404980 Fits PS34 / DCS34 Clutch Drum Safety Disc 927306000 Fits PS34 / DCS34 Clutch Drum Washer 900006065 Fits PS34 / DCS34 The use of a Trade Name in relation to John McCormick Ltd is not to be taken as any indication that such parts are made, marketed or warranted by any other party. Original Equipment numbers are used for identification purposes only. John McCormick CHAINSAW JMC Part No Part No Description Replaces OEM No 116Si / 120Si Chainsaw Spares Nut C/w Pivot For Chain Adjuster 030111040 Fits 116Si / 120Si Guide Plate 030111020 Fits 116Si / 120Si Guide Plate 030111030 Fits 116Si / 120Si Throttle Linkage 030117032 Fits 116Si / 120Si Intermediate Flange 030131012 Fits 116Si / 120Si Manifold Gasket 030131020 Fits 116Si / 120Si Choke Lever 030150030 Fits 116Si / 120Si The use of a Trade Name in relation to John McCormick Ltd is not to be taken as any indication that such parts are made, marketed or warranted by any other party. Original Equipment numbers are used for identification purposes only.

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