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Energy

Yanmar, ELEO Announce Electrification Strategy for Off-Highway Sector

Yanmar announced its strategy for electrification of future off-road powertrain offerings at the Bauma 2022 conference in late October. During a presentation, Yanmar...

Articles
Power

Electric Radiant Heat for EV Cabin Comfort

Vehicle OEMs have been steadily increasing the range of their electric vehicles (EV) and plug-in hybrids (PHEV), but the ranges they claim publicly are in ideal thermal conditions. Now comes...

Briefs
Imaging

Process Enables Machines to Thermally “Breathe”

Large machines can breathe in and out cooling blasts of water to keep their systems from overheating.

Q&A
Electronics & Computers

Thermal Challenges of Electric Commercial Vehicles

Vehicle electrification poses new challenges for thermal management, driving development of new systems and components specific to battery and fuel-cell electric vehicles (EVs). Key...

Briefs
Materials

Cladding and Freeform Deposition for Coolant Channel Closeout

This method is a faster way to manufacture combustion chambers and nozzles for aerospace propulsion as well as heat exchangers in oil and gas applications.

Articles
Energy

An Immersive Solution for Thermally Safer EV Batteries

An R&D project indirectly leads to potentially greater power density, EV range, and battery life.

Articles
Electronics & Computers

Thermal Management Techniques in Avionics Cooling

Innovation is carrying airborne technologies farther and higher than ever before, and avionic cooling practices have had to evolve to keep up.

Technical Innovation
Manned Systems

Mahle’s Hydrogen Focus Spans Fuel Cells, ICEs

Hydrogen fuel cell (HFC) technology is gaining momentum in the mobility sector, with substantial volume expected by 2025 to 2030, according to Dr. Marco Warth, director of corporate...

News
Unmanned Systems

Getting to the ‘Core’ of AV Thermal Management

The universal understanding of autonomous vehicle (AV) safety is one of the most critical keys to broad adoption of self-driving technology. For AVs, what is “safe enough?” This...

Briefs
Materials

System Provides Cooling with No Electricity

This passive device relies on a layer of material that blocks incoming sunlight but lets heat radiate away.

News
Software

Inside GM’s Expanded Electric-Vehicle Battery Lab

General Motors aims to sell more than one million electric vehicles (EVs) annually in North America and China by mid-decade. The pathway to success leads directly through the...

Briefs
Materials

Polymer Coating Cools Down Buildings

This coating acts as a spontaneous air cooler and can be fabricated, dyed, and applied like paint.

Briefs
Sensors/Data Acquisition

Microscale Electro-Hydrodynamic (EHD) Modular Cartridge Pump

The EHD pump uses electric fields to move a dielectric fluid coolant in a thermal loop to dissipate heat generated by electrical components with a low-power system. The pump has only a few key components and no moving parts, increasing the simplicity and robustness of the system. In...

Technical Innovation
Power

Achieving Better Power Management by Optimizing Thermal Management

Four primary power transmission subsystems work together in a wheel loader: the transmission system, the work functions system, the steering system, and the thermal...

Briefs
Electronics & Computers

Using Laser Metal Printing to Cool Computer Chips

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to...

Briefs
Semiconductors & ICs

Medium-Frequency Transformer Transitions from AC to DC

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to...

Briefs
Propulsion

Freeform Channel Close-Out for High-Performance Heat Exchangers

Large-scale liquid rocket engines with regeneratively cooled nozzles will enable reliable and reduced-cost access to space. The coolant that circulates through the internal...

Features
Medical

Quartet H2O LDD Actively Cooled Lateral Surgical Fiber Optic

Infrared surgical lasers, e.g., CTH:YAG @ 2100 nm and TM:YAG @ 2000 nm, are wonderful tools for minimally invasive surgery such as laser vaporization of hyperplastic prostate...

Briefs
Mechanical & Fluid Systems

Self-Regulating, Freezable Heat Exchanger for Spacecraft

Aspacecraft thermal control system must keep the vehicle, avionics, and atmosphere (if crewed) within a defined temperature range. Water coolant loops are typically used to transport...

Application Briefs
Communications

Communications Electronics Cooling Systems

Aspen Systems
Marlborough, MA
508-281-5322
www.apspensystems.com

Aspen Systems are supplying Environmental Control Units (ECU’s) for critical communications electronics cooling...

Briefs
Information Technology

General-Use Nodal Network Solver (GUNNS)

Crewed space vehicle training has always required highfidelity models of vehicle systems. Many of these systems, particularly of the “flow” variety, benefit from modeling the system as a whole, rather than relying only on the interactions between individual components. In general, system properties...

Briefs
Test & Measurement

Measurement of O-phthalaldehyde (OPA)

O-phthalaldehyde (OPA) is a high-level disinfectant commonly used, for example, for sterilization of heat-sensitive medical instruments; it demonstrates effective microbicidal activity against a wide range of microorganisms (including mycobacteria, gramnegative bacteria, and spores). On the International...

Briefs
Robotics, Automation & Control

Expendable Cooling System for Venus Lander Concept

This innovation is a concept for a novel thermal architecture that would enable a day-long surface mission on Venus. A Venus lander mission could last much longer than a few hours on the surface of the planet by absorbing heat from the Venus environment, and from the electronics within the...

Articles
Unmanned Systems

UGVs — On the Cutting Edge of Thermal Management

Thermal management of unmanned ground vehicles (UGVs) is more complex than other electronic equipment because they have to operate in harsh environments such as humid tropical rainforests or...

Briefs
Mechanical & Fluid Systems

Thin-Film Evaporative Cooling for Side-Pumped Lasers

A highly efficient way to cool solid-state crystal lasers was developed. This thin-film evaporative cooling technique offers higher optical efficiencies and monochromatic quality than traditional conductive cooling techniques. Developed for use in side-pumped 2.0- micron laser systems used in...

Articles
Aerospace

Dry Drilling Composites Using Carbon Dioxide Cooling

The ground vehicle and aerospace industries use carbonfiber-reinforced plastic (CFRP) because it is more durable and lighter than other materials. CFRP is used in components such...

Articles
Aerospace

Submersion and Directed Flow Cooling Technology for Military Applications

As the US military shifts from boots on the ground to drones in the sky, there will be an increasing need for computing power on foreign soil, under the sea and in the...

Articles
Lighting

Liquid Cooling Technology for LEDs

Best quality LED A-lamp light bulbs provide a superior, energy-efficient alternative to incandescent bulbs, which have essentially been banned as of January 1, 2014. LED bulbs offer the same amount of light...

Articles
Defense

Pumped Two-Phase Cooling for Thermal Management of High Heat Flux Electronics

Pumped two-phase cooling provides a compact, low pumping power option for thermal management in high heat flux applications (300-500W/cm2). Compared to...