Academic literature on the topic 'Short-Radius Elbo'

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Journal articles on the topic "Short-Radius Elbo"

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Beck, Kade J., Ryan P. Weller, Steven L. Barfuss, and Michael C. Johnson. "The Effects of a Short-Radius Elbow on Electromagnetic Flowmeter Accuracy." Journal - American Water Works Association 110, no. 7 (2018): E12—E17. http://dx.doi.org/10.1002/awwa.1055.

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Justensen, Jared C., Steven L. Barfuss, Michael C. Johnson, and Thomas E. Meacham. "Effect of Meter Orientation Downstream of a Short Radius Elbow on Electromagnetic Flow Meters." Journal of Irrigation and Drainage Engineering 145, no. 2 (2019): 06018009. http://dx.doi.org/10.1061/(asce)ir.1943-4774.0001357.

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Chen, Jun, Ying Li Yang, Hai Ying Yang, and Ting Xun Wang. "Forming Parameter Design and Thickness Uniformity Control of Short Radius Elbow Made by Expanding Diameter and Pushing Bend." Materials Science Forum 788 (April 2014): 150–57. http://dx.doi.org/10.4028/www.scientific.net/msf.788.150.

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The forming theory of elbow made by expanding diameter and pushing bend is introduced in this paper. The tube blank of elbow takes place combined deformation with compression deformation in the axial direction and in the circumferential direction. The compression deformation in the axial direction makes tube bending deformation under the restricted condition of ram-shape die, then the belly metal of elbow thicken after compression deformation, while the back metal of elbow don’t take part in deformation. The eccentric expanding diameter in the circumference direction ensures the thickened wall
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TANAKA, Masaaki, and Hiroyuki OSHIMA. "202 Numerical Investigation on Pressure Fluctuation Generation Mechanism in Pipe Elbow with Short Curvature Radius." Proceedings of Ibaraki District Conference 2011.19 (2011): 31–32. http://dx.doi.org/10.1299/jsmeibaraki.2011.19.31.

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SHIRAISHI, Tadashi, Hisato WATAKABE, Hiromi SAGO, and hidemasa YAMANO. "Pressure Fluctuation Characteristics of the Short-Radius Elbow Pipe for FBR in the Postcritical Reynolds Regime." Journal of Fluid Science and Technology 4, no. 2 (2009): 430–41. http://dx.doi.org/10.1299/jfst.4.430.

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Branch, John C. "The effects of an upstream short radius elbow and pressure tap location on orifice discharge coefficients." Flow Measurement and Instrumentation 6, no. 3 (1995): 157–62. http://dx.doi.org/10.1016/0955-5986(95)97177-p.

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Wang, Jianrong, and Siamack A. Shirazi. "A CFD Based Correlation for Erosion Factor for Long-Radius Elbows and Bends." Journal of Energy Resources Technology 125, no. 1 (2003): 26–34. http://dx.doi.org/10.1115/1.1514674.

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A model for predicting sand erosion in 90 degree elbows and bends has been developed based on computational fluid dynamics (CFD), particle tracking and erosion data. After the flow field was obtained from the flow (CFD) model, particles were introduced into the flow and particle trajectories were computed using a Lagrangian approach. A model was also implemented that accounts for the interaction between the particles and the target material. Based on predicted particle impingement velocities, erosion rates and penetration rates were predicted using the empirical equations for erosion ratio. Th
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Natarajan, R., and S. Mirza. "Effect of Internal Pressure on Flexibility Factors in Pipe Elbows With End Constraints." Journal of Pressure Vessel Technology 107, no. 1 (1985): 60–63. http://dx.doi.org/10.1115/1.3264406.

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Finite element method has been used in the present work to study the stress distribution in an elbow with end constraints subjected to in-plane moment and pressure. Elbows of short radius (R/r) with varying pipe factors and bend angles have been considered. Present numerical results show for all elbow angles that follower pipe factors (thin pipes) the internal pressure reduces the flexibility factor by a larger amount than for elbows having larger pipe factors. These results are in line with the conclusions published earlier.
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Van Ryssen, B., I. Gielen, N. Walschot, H. van Bree, and Y. Samoy. "Review of the literature." Veterinary and Comparative Orthopaedics and Traumatology 19, no. 01 (2006): 01–08. http://dx.doi.org/10.1055/s-0038-1632965.

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SummaryElbow incongruity is the term to describe bad alignment of the joint surfaces of the elbow. Two features illustrate incongruity of the elbow: an abnormal shape of the ulnar trochlear notch and a step between the radius and ulna, caused by either a short radius or a short ulna. It has been suggested that both an elliptical notch, and a step, can cause increased local pressure within the joint, resulting in loose fragments at different locations: ununited anconeal process (UAP), fragmented coronoid process (FCP), osteochondritis dissecans of the humeral condyle (OCD). These lesions are gr
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Aung, N. Z., and T. Yuwono. "Developing a Generalized Combined Model for Gas-liquid Two-phase Flow Pressure Drop in Elbow Bends." ASEAN Journal on Science and Technology for Development 29, no. 2 (2012): 88. http://dx.doi.org/10.29037/ajstd.55.

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In this work, a generalized combined model was proposed for prediction of two-phase flow pressure drop in elbow bends. In this proposed model, restriction, frictional and elevational losses were considered separately. The frictional and static losses were approached by using Lockhart_Martinelli correlation. This model was tested to predict the pressure drop across the elbows with inside diameter of 0.036 m and R/D = 0.6, 2.5. The superficial liquid velocity was varied in the range of0.3~1.1 m/s and volumetric gas quality was varied from 0.02~0.3. The results from this model had good prediction
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Dissertations / Theses on the topic "Short-Radius Elbo"

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Justensen, Jared C. "The Effects of Meter Orientation Downstream of a Short Radius Elbow on Electromagnetic Flow Meters." DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/4875.

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Electromagnetic flowmeters (known as magnetic flow meters) are a widely used type of flowmeter. The accuracy of magnetic flow meters are a function of several factors, not the least of which is the flow condition inside the pipe. It has been shown that disturbances in the velocity profile affects the accuracy of a magnetic flow meter (Luntta, 1998). Accordingly, manufacturers of magnetic flow meters give installation guidelines. These guidelines help prevent the user from installing the meter in a pipe configuration that is likely to cause the meter to produce inaccurate results. Although most
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Book chapters on the topic "Short-Radius Elbo"

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Chen, Jun, Tingxun Wang, Yu Du, et al. "Microstructure and Properties of Large Diameter Elbow of Ti75 Titanium Alloy with Short Radius Made by Expanded-Diameter and Pushed-Bend Method." In High Performance Structural Materials. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0104-9_46.

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Conference papers on the topic "Short-Radius Elbo"

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Fenton, Matthew, and Tasnim Hassan. "Low-Cycle Fatigue Failure Responses of Long and Short Radius Elbows." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28805.

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Low-cycle fatigue experiments of short radius elbows were conducted and the recorded responses were compared with the long radius elbow responses from literature. Elbow components are widely used in piping systems in energy and chemical industries; however, the fatigue failure prediction of elbows remains a challenge. Additionally, the selection criteria between a long or short radius elbow merely considers the long radius elbow as standard, and to use short radius elbows only when spacing requirement prohibit a long radius elbow. The ASME design code provides some guidance for fatigue design
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Islam, Nazrul, Matthew Fenton, and Tasnim Hassan. "Long and Short Radius Elbow Experiments and Evaluation of Advanced Constitutive Models to Simulate the Responses." In ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45688.

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Low-cycle fatigue (LCF) and strain ratcheting responses of long and short radius elbows are studied experimentally and analytically. Elbow piping components are widely used in piping systems, however, the prediction of their low-cycle fatigue and ratcheting responses remain a challenge. Hence, a systematic set of short and long radius elbow LCF responses are developed by prescribing displacement-controlled loading cycles with or without internal pressure. A setup comprised of four LVDTs was utilized to measure diameter change during cyclic loading. In order to evaluate the accuracy of the stra
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Wang, Jianrong, and Siamack A. Shirazi. "A CFD Based Correlation for Erosion Factor for Long-Radius Elbows and Bends." In ASME 2001 Engineering Technology Conference on Energy. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/etce2001-17116.

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Abstract A model for predicting sand erosion in 90 degree elbows and bends has been developed based on computational fluid dynamics (CFD), particle tracking and erosion data. After the flow field was obtained from the flow (CFD) model, particles were introduced into the flow and particle trajectories were computed using a Lagrangian approach. A model was also implemented that accounts for the interaction between the particles and the target material. Based on predicted particle impingement velocities, erosion rates and penetration rates were predicted using the empirical equations for erosion
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Ono, Ayako, Masaaki Tanaka, Jun Kobayashi, and Hideki Kamide. "Influence of Inlet Velocity Condition on Unsteady Flow Characteristics in Piping With a Short-Elbow at High Reynolds Number Condition." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30378.

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In design of the Japan Sodium-cooled Fast Reactor (JSFR), mean velocity of the coolant is approximately 9 m/s in the primary hot leg (H/L) piping which diameter is 1.27 m. The Reynolds number in the H/L piping reaches 4.2×107. Moreover, a short-elbow which has Rc/D = 1.0 (Rc: Curvature radius, D: Pipe diameter) is used in the hot leg piping in order to achieve compact plant layout and reduce plant construction cost. In the H/L piping, flow-induced vibration (FIV) is concerned due to excitation force which is caused by pressure fluctuation on the wall closely related with the velocity fluctuati
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Jang, Soon-Tae, Hisashi Naoi, and Takashi Kurita. "Effects of Mandrel Shape and Dimension on Deformation Behavior for Hot Mandrel Bending." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95134.

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Elbows, which belong to butt-welded steel pipe joints, are used in piping of various plants. Elbows are mainly manufactured by hot mandrel bending. In hot mandrel bending, short straight pipes are inserted into an inner tool of mandrel and are bent at specified bending radius, while they are compressed by pusher from one end of pipes and their outer diameter are expanded. Elbows manufactured by this bending process have small deviation in wall thickness and also high accuracy in roundness, even when they are processed into short bending radius. Shape and dimension of mandrel are designed by tr
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Werth, David, and Matthew Havice. "A Review of Common Problems Observed in Cooling Water Intakes and the Use of Physical Models to Develop Effective Solutions." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-33776.

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Pump intake structures are a necessary component of the cooling water systems for power plants, process and manufacturing facilities, flood control and water/wastewater applications. Large cooling water systems often use substantial sea / river water intakes or cooling towers to provide the required cooling of the process or circulating water. These structures can be very large and often house multiple pump with capacities ranging in size from a few hundred m3/hr to 60,000 m3/hr or more. With such large flow rates care must be taken to ensure uniform flow to the pump to limit vortex activity,
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