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Related Concept Videos

Calorimetry01:19

Calorimetry

When objects at different temperatures are placed in contact with each other but isolated from everything else, they attain thermal equilibrium. A container that prevents heat transfer in or out is called a calorimeter, and the use of a calorimeter to make measurements is called calorimetry. Generally, these measurements involve heat or specific heat capacity. The term "calorimetry problem" is used for any problem where the specified objects are thermally isolated from their surroundings. An...
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Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...

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Related Experiment Video

Updated: Jun 2, 2026

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation
11:11

Experimental Methods for Investigation of Shape Memory Based Elastocaloric Cooling Processes and Model Validation

Published on: May 2, 2016

Roadmap for electrocaloric films characterization.

Victor Regis1,2, Urban Tomc3, Andrej Kitanovski3

  • 1Electronic Ceramics Department, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia.

Iscience
|June 1, 2026
PubMed
Summary
This summary is machine-generated.

Substrate choice minimally impacts electrocaloric (EC) cooling performance when using low thermal effusivity materials. Optimizing EC film and coating thickness improves infrared characterization accuracy for micro-scale cooling devices.

Keywords:
filmsmaterials characterization techniquessimulation in materials science

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Last Updated: Jun 2, 2026

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High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Area of Science:

  • Materials Science
  • Thermodynamics
  • Nanotechnology

Background:

  • Electrocaloric (EC) elements are promising for advanced cooling technologies.
  • Direct characterization methods, like infrared (IR) thermography, face challenges due to heat losses.
  • Understanding substrate influence is crucial for accurate EC device performance evaluation.

Purpose of the Study:

  • To numerically simulate and benchmark the influence of various substrates on EC film cooling output.
  • To investigate the impact of EC film and black-paint coating thickness on IR characterization accuracy.
  • To provide guidelines for designing EC structures for micro- to nano-scale cooling applications.

Main Methods:

  • Numerical simulations of EC film structures on different substrates.
  • Analysis of thermal effusivity effects on cooling performance.
  • Parametric study on film and coating thicknesses for IR characterization correction factors.

Main Results:

  • Substrates with low thermal effusivity (≤3 kW s1/2 m-2 K-1) show negligible impact on EC cooling output.
  • A single-digit correction factor for IR characterization is achievable when the EC film is thicker than the black-paint coating.
  • Simulation results provide a quantitative understanding of heat loss mechanisms.

Conclusions:

  • Low thermal effusivity substrates are suitable for EC device characterization, minimizing substrate interference.
  • Optimized film and coating thicknesses enhance the reliability of IR thermography for EC cooling measurements.
  • This research offers a design strategy for efficient micro- and nano-scale EC cooling systems.