Industrial Shears Articles

50 Results found
  • Category: Waste & Recycling ×

  • Subcategory: Industrial Shears ×

Numerical analysis of hydraulic jumps using OpenFOAM

by IWA Publishing  (Jul. 3, 2015)

The present paper deals with a hydraulic jump study, characterization and numerical modeling. Hydraulic jumps constitute a common phenomenon in the hydraulics of open channels that increases the shear stress on streambeds, so promoting their erosion. A three-dimensional computational fluid dynamics model is proposed to analyze hydraulic jumps in ...

Concrete infilled Channels research at Colorado state university Hydraulics labratory - Case Study

by Presto Geosystems  (May 7, 2015)

Geoweb® Cellular Confinement Systems are used for applications such as load support, earth retention, porous pavement, and slope and channel erosion protection. The product can also be utilized in the efficient formation of concrete structures such as levees, stream bank revetment, or slope protection, allowing for rapid installation without ...

Development of low-cost rotational rheometer

by IWA Publishing  (Mar. 16, 2015)

Liquids with non-Newtonian properties are presented in many engineering areas, as for example in membrane bioreactors where active sludge exhibits shear thinning properties. Therefore, the ability to determine the rheology's dependence on shear is important when optimising systems with such liquids. However, rheometers capable of ...

Rotary batch mixer yields high-quality blends for powder metallurgy

by Munson Machinery Co., Inc.  (Dec. 9, 2014)

GKN Sinter Metals Inc. is the world's largest manufacturer of parts made by powder metallurgy, a molding process that produces complex shapes with a range of properties. Powder metallurgy offers benefits in part fabrication over competing metal processes. It is faster than forging or casting and permits the use of more performance-enhancing alloys ...

Who says you need multiple wire breaks for a PCCP pipe to fail?

by Pure Technologies  (Nov. 18, 2014)

Abstract On Sunday, October 5, at about 2:30 a.m. a section of 72-inch prestressed concrete cylinder pipe (PCCP) failed. The 72-inch-diameter PCCP was nominally capable of sustaining an internal pressure of 281 psi. Previous examinations of the pipeline, utilizing the best available nondestructive examination techniques, provided little indication ...

Optimization of operation conditions for preventing sludge bulking and enhancing the stability of aerobic granular sludge in sequencing batch reactors

by IWA Publishing  (Nov. 18, 2014)

Sludge bulking caused by loss of stability is a major problem in aerobic granular sludge systems. This study investigated the feasibility of preventing sludge bulking and enhancing the stability of aerobic granular sludge in a sequencing batch reactor by optimizing operation conditions. Five operation parameters have been studied with the aim to ...

The results exceeded our expectations

by Metso Denmark A/S  (Nov. 4, 2014)

After using a Lindemann scrap shear type LU 1250/15 PA 90/25 intensively for 21 years at its headquarters in ’s-Gravendeel, the Dutch firm HKS Scrap Metals found that the machine’s hydraulic system was not functioning up to par, as is inevitable with any system subject to wear and tear. As a result, production had dropped significantly ...

Custom Computer Hard Drives Disposal Solution - Case Study

by Waste Control Systems Inc  (Jun. 18, 2014)

Problem: A computer recycling company was looking for a machine to physically alter computer hard drives so that they could assure their customers that the data on the hard drive was destroyed. They did not have a budget for a hook shear shredder. Solution: We developed a custom hard drive disposal solution. An air activated punch was developed ...

Effect of shear rate on the activity of enzymes used in hydraulic fracture cleanup of tight unconventional reservoirs

by Inderscience Publishers  (Jun. 2, 2014)

Injection of polymeric solutions in order to propagate a fracture and carry proppants to keep the fracture open is a common practice in hydraulic fracturing of ultra–tight formations. Polymeric fluids open and extend the already existing network of fractures. Considering the low permeability of the formation, small width of the micro–fractures, ...

Selection pressure theory for aerobic granulation – an overview

by Inderscience Publishers  (Mar. 24, 2014)

Aerobic granulation technology is an improvement over conventional activated sludge process, where cell-to-cell interactions lead to the formation of stable granules with excellent settleability. Selection pressures are the factors that can strongly influence the formation and growth of aerobic granules. Settling time and the volume exchange ...

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