Method Measures Temperature Within 3D Objects

Engineers have remotely determined the temperature beneath the surface of certain materials using a new technique called depth thermography. The method may be useful in applications where...

Venting for EV Battery Packs

Cell chemistries, thermal dynamics, vehicle packaging, and even weather present challenges for optimizing electric vehicle battery functional safety.

Dynamic Mechanical Strain-Induced Temperature Gradient Coating

The non-destructive coating has applications in structural health monitoring, aerospace, automotive, and military/defense.

The Heat Is On: A Guide to Specifying Insulation Materials

One of the first things an electrical engineer will learn is that the number-one enemy of designing and manufacturing any electrical/electronic product is heat. It's the one...

Microscopy Technique Works at Extreme Heat

A stainless steel alloy — alloy 709 — has potential for elevated-temperature applications such as nuclear reactor structures. It is exceptionally strong and resistant to damage when exposed to...

Tiny Probe Can See and Measure Body Temperatures

A new probe developed at the University of Adelaide, may help researchers find better treatments to prevent drug-induced overheating of the brain, and potentially refine thermal treatment for...

Adam Sidor, NASA Research Fellow, Georgia Institute of Technology, Atlanta, GA

Thermal Protection Systems (TPS) — heatshields — form the outer surface of spacecraft and provide protection as the vehicle plunges through planetary...

Choosing the Right Hardware for Testing in Harsh Environments

Testing in rugged applications often includes testing in extreme temperature ranges, which can add constraints to hardware. Cold-start engine testing, for example, uses a test...

Steady-State Thermal Test Methodology

This innovation provides the following thermal properties data from a single steady-state test run: the effective thermal conductivity value (k_e) for the full temperature difference, and...

Bringing the Heat

LED, semiconductor, and package designers use complex thermal analysis software to analyze their products, but the analysis is only as good as the data provided. Reliable clarification of heat data upstream and downstream...

Improved Thermal Matching of Materials for Hermetic Optical Windows

A family of iron-nickel and ironnickel- cobalt alloys made using metal injection technology (MIT) has been designed to match the coefficient of thermal expansion (CTE) of...

Thin-Film Resistance Heat-Flux Sensors

Thin-film heat-flux sensors of a proposed type would offer advantages over currently available thin-film heat flux sensors. Like a currently available thin-film heat-flux sensor, a sensor according to...

Thermal Load Sensors for Automotive Applications

Next-generation thermal load sensors, or combo sensors, optimize climate control and lighting in "intelligent automobiles," thereby enhancing the comfort and safety of drivers and passengers....

Thermography Using YVO₄:Dy³⁺

A proposed thermographic technique would exploit the unique fluorescence characteristics of yttrium vanadate doped with dysprosium (YVO₄:Dy³⁺). The particular aspect of the fluorescence...

Mounting Flip Chips on Heat-Dissipating, Matched-CTE Boards

“Flip chip on board (FCOB) with high thermal conductivity and tailored coefficient of thermal expansion (CTE)” denotes a developmental concept for relatively inexpensive,...

Third-Generation Data-Acquisition System Now in Operation

Dryden Flight Research Center's Flight Loads Laboratory (FLL) was constructed in 1964 for use in performing combined mechanical and thermal tests of structural components and complete...

Improved Electrical Connections for Thin-Film Thermocouples

Improved electrical connections have been developed for thin-film thermocouples used to measure temperatures on the surfaces of ceramic-matrix composite-material specimens during...

Thermal-Isolation Structure for Low-Temperature Experiments

The figure shows a tension/compression structure that provides rigid suspension and a high degree of thermal isolation for a small instrument assembly used in low-temperature...