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Energy

Balancing the ‘Dominos’ in EV Thermal Management

Electric vehicle thermal management requires OEMs and suppliers to control many variables that potentially create excessive heat. Designing thermal-management systems (TMS) to...

News

Automotive

Liebherr Reveals ‘Hybrid’ CFRP Cylinders and Parallel-Pump Concept

Reducing weight from components and systems is a major trend in passenger vehicles to boost fuel efficiency and driving range.

Articles

Energy

BMW Reapproaches Hydrogen

Automakers have raised and dashed hopes for using hydrogen to power cars and trucks, including General Motors’ notorious 2007 promise that it would sell 1 million fuel-cell vehicles annually (actual number:...

News

Motion Control

Hydraulic Fluids Evolve to Meet Critical Equipment-Design Trends

Driven by a number of factors, hydraulic equipment such as excavators, lifts, presses, bulldozers, cranes, injection molding equipment and more are rapidly evolving to...

News

Mechanical & Fluid Systems

EV, Give Me Heat!

Cabin heating and cooling, and their negative impact on vehicle efficiency and range, are among the challenges still to be solved in battery-electric vehicles. For drivers and passengers, interior comfort — being...

News

Power

GM: Ultium Heat-Pump System Boosts EV Range, Reduces Charge Times

On the same day that General Motors president Mark Reuss confirmed there will be a fully electric version of the company’s Corvette along with a hybrid model, the...

News

Mechanical & Fluid Systems

Solving the “Telehandler Problem”

A common challenge engineers face in the application of counterbalance or overcenter valves is machines with a high degree of load dynamics. Vehicles with slender booms, multiple booms, wear pads...

Technical Innovation

Mechanical & Fluid Systems

Holistic Hydraulic Designs Add More Sensors, Advanced Controls

Hydraulic system developers are moving on many different fronts as they strive to improve performance and efficiency. A full-system approach that includes more sensors and...

Technical Innovation

Mechanical & Fluid Systems

SKF Employs Digital Tools to Enhance Bearing Design, Performance

It began with spherical roller bearings more than 100 years ago and now SKF finds itself amid a digital transformation. Over the years the bearing company has expanded...

News

Energy

Stanadyne Pumps up the Volume

Although the auto sector continues to intensify its focus on electrification, planners and analysts remind almost daily that internal combustion-based propulsion will continue to the baseline for a decade or...

Articles

Electronics & Computers

Loop Thermosyphons

Two-phase cooling has been utilized in the electronics cooling industry for many decades, with possibly the most well-known adaptation being the heat pipe. Heat pipes are capillary-driven, two-phase devices that...

Technical Innovation

Propulsion

Eaton Solves Nuisance Problems with Electrohydraulic Solutions

Hysteresis is a common shortcoming in applying fluid power products to industrial and mobile equipment. It is frequently unreported due to a lack of a cost-effective option...

Briefs

Photonics/Optics

Stimulated Brillouin Scattering (SBS) Suppression and Long Delivery Fibers at the Multikilowatt Level with Chirped Seed Lasers

One obstacle in the scaling of high-power fiber lasers arises because of nonlinear effects (e.g., stimulated...

Briefs

Photonics/Optics

Erbium Doped GaN Lasers by Optical Pumping

The main objective of this research was to construct an optical pump system that would allow the study of Er:GaN materials under 980 nm resonant excitation to be carried out. The results obtained...

Briefs

Photonics/Optics

New Class of Excimer-Pumped Atomic Lasers (XPALS)

The focus of this research program was the investigation of XPAL properties, and new pumping schemes, as well as modeling, and measuring critical photoionization and excited state-excited...

Product Briefs

Power

Axial Piston Pumps

Hawe Hydraulics plans to show a variety of axial piston pumps at ConExpo/IFPE 2014, including the new V60N-130 pump type that is a member of the well-established V60N series. The company claims that the V60N-130 pump, in...

News

Electronics & Computers

Inner Secrets of the Toyota-Denso Heat Pump Revealed

The loss of winter driving range in electric vehicles equipped with conventional electric heating systems is well-documented—range being reduced by up to 60% and even more in severe...

Application Briefs

Defense

Airframe/Engine Seal Fire Test Facility

Trelleborg Sealing Solutions
Trelleborg Sweden
+46 410 670 00
www.trelleborg.com

Trelleborg Sealing Solutions has designed and built a new airframe/engine seal fire test facility...

Briefs

Materials

Epitaxial Growth of Rhenium with Sputtering

Epitaxial superconducting films of refractory metals are a promising new template for single crystal tunnel barriers in Josephson junction quantum bit (qubit) devices. In existing Josephson...

Articles

Defense

Advanced Thermal Management Solutions

Now more than ever, devices with increasing power and smaller footprints are demanding a good stable cost effective thermal management solution. Fortunately many options are available today. However, for...

Articles

Aerospace

Thermoelectric Cooling

There are many places one can go to get an outline on the pros and cons of different methods for enclosure cooling. Although we will briefly touch on them here, this is really an in-depth article on how to choose a...

Briefs

Aerospace

Development of a Novel Electrospinning System with Automated Positioning and Control Software

Electrospinning is a nanofiber fabrication technique that has grown in popularity due to its potential in numerous biomedical applications. The...

News

Mechanical & Fluid Systems

Medium-Pressure Axial Piston Pump

Liebherr-Components recently introduced its newly developed LH30VO axial piston pump of swash plate design. The medium-pressure pump complements the existing product portfolio in the range of 280-bar...

Product Briefs

Materials

Wear-Resistant Pumps

Duechting Pumpen’s WRX single-stage centrifugal pumps were developed for the transportation of abrasive materials and are suited for use in dredgers and other applications in the mining and processing of gravel and...

Product Briefs

Mechanical & Fluid Systems

Electric Oil Pump

The Model OP40i brushless dc electric oil pump from Engineered Machined Products Inc. (EMP) features high-performance gerotor pumping technology, including a long-life, brushless, dc sensorless motor, which is sealed and...

Briefs

Aerospace

Quantitative Diagnostics of Multilayered Composite Structures with Ultrasonic Guided Waves

Aging infrastructure has a major impact on safety, increasing the need to assess damage severity. Machinery, systems, and components such as...

Briefs

Aerospace

Thermal Conductivity Measurement Setup for Low-Temperature Characterization of Laser Materials

Operating lasers at cryogenic temperatures gained maturity only in the mid-90s due mostly to the progress in transparent, laser-grade ceramics and...

Product Briefs

Mechanical & Fluid Systems

Open-Circuit Piston Pumps

Eaton’s X20 portfolio of open-circuit piston pumps now has inverse proportional pressure control (IPPC) and remote pressure control options for improved system efficiency in construction, mining, and agriculture...

Product Briefs

AR/AI

Variable Speed Drive

The Rexroth Sytronix SVP 7010 is a ready-to-install variable-speed pump drive offering high dynamics and control accuracy with reduced energy consumption and lower noise levels for hydraulic systems. Suited for a range...