Products
- Products
  - Column 1
    - HFM-100Heat Flow Meter
    - THW-L1Transient Hot Wire
    - TPSTransient Plane Source
    - SSTR-FSteady-State ThermoReflectance Fiberoptics
  - Column 2
    - TLS-100Transient Line Source
    - THW-L2Transient Hot Wire
    - GHFM-02Guarded Heat Flow Meter
    - TPS-EFFTransient Plane Source
    - MP-2Measurement Platform
- Category
  - Thermophysical Analysis
    - Heat Flow Meter, HFM-100Integrated Temperature & Automation
    - Transient Hot Wire, THW-L1 & THW-L2Thermal Conductivity, Thermal Diffusivity & Specific Heat
    - Transient line Source, TLS-100Thermal Conductivity & Thermal Resistivity
    - Measurement Platform, MP-2Thermal Conductivity
    - Steady-State ThermoReflectance, SSTRThermal Conductivity
- Property
- Material Type
  - Solids
    - HFM-100Homogeneous & Heterogeneous Insulation
    - TLS-100Concrete, Rocks, Polymers
    - GHFM-02Homogeneous, Heterogeneous, Metals & Composites
    - MP-2Concrete, Rock, Polymers, and Insulation
    - SSTR-FCoatings, Thin-films, and Bulk materials
  - Liquids
    - THW-L1Liquids, Temperature & Pressure
    - THW-L2Liquids, Temperature & Pressure
    - MP-2Liquids
    - SSTR-FLiquids
  - Pastes
    - TLS-100Paste up to 5 W/mK
    - THW-L1Paste up to 2 W/mK
    - THW-L2Paste up to 2 W/mK
    - GHFM-02Paste up to 15 W/mK
    - MP-2Paste up to 5 W/mk
  - Powders
    - TLS-100Soil, Small to Medium Particle Size
    - MP-2Small to Medium Particle Size
- Material Characteristics
  - Isotropic / Homogeneous
    - HFM-100Insulation and Construction Materials
    - TLS-100Soil, rock & polymers
    - THW-L1All Liquids
    - THW-L2All Liquids
    - GHFM-02Composites & polymers
    - TPS-EFFTextiles, fabrics & solids
    - MP-2Solids, Liquids, Pastes, Powders, Textiles, and Insulation
    - SSTR-FAll Solids and Liquids
  - Heterogeneous
    - HFM-100Large sample size
    - GHFM-02Medium sample size
    - TPS-EFFMedium sensor for medium sample volume
    - MP-2medium sensor for medium sample size
    - SSTR-FAll Solids and Liquids
  - Anisotropic
    - HFM-100Out-of-plane
    - GHFM-02Out-of-plane
    - TPS-EFFOut-of-plane
    - MP-2Out of plane
    - SSTR-FAll Solids and Liquids
- ASTM/ISO/EN
  - Column 1
    - HFM-100ASTM C518-17, ISO 8301:1991, EN 12667
    - TLS-100ASTM D7896-14, IEEE 4442-1981
    - THW-L1ASTM D7896-19
    - THW-L2ASTM D7896-19
    - GHFM-02ASTM E1530-19
    - TPS-EFFASTM D7984-16
    - MP-2D7984-16, D7896-19, IEEE 442-1981
Testing Services
Applications
Demo Corner
Resources
About
Contact

Papers Author: Ronald J. Warzoha

Total Papers Found: 4

Effect of Graphene Layer Thickness and Mechanical Compliance on Interfacial Heat Flow and Thermal Conduction in Solid–Liquid Phase Change Materials

Author(s): Amy S. Fleischer, Ronald J. Warzoha

The thermal conductivities of paraffin-based composite phase change materials (PCMs) containing different types of graphene nanoparticles were determined using the transient plane source method. It was determined that the thermal ...

Keywords: graphene, Interfacial Thermal Resistance, nanocomposites, pcms, phase change materials, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

Improved heat recovery from paraffin-based phase change materials due to the presence of percolating graphene networks

Author(s): Amy S. Fleischer, Ronald J. Warzoha

Four different paraffin-based nanocomposite phase change materials (PCMs) were prepared by dispersion of 20 v. % of graphene, multi-walled carbon nanotubes (MWCNTs), aluminum, or TiO2 nanoparticles into a paraffin matrix. It was ...

Keywords: Carbon nanotubes, CNTs, differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, graphene, Melt Temperature, nanocomposites, Nanoparticles, pcms, phase change enthalpy, phase change materials, Phase Transition Temperature, Solidification Temperature, Thermal Conductivity, Thermal Energy Recovery, Transient Plane Source Technique, Transient Thermal Response

Effect of carbon nanotube interfacial geometry on thermal transport in solid–liquid phase change materials

Author(s): Amy S. Fleischer, Ronald J. Warzoha

The thermal conductivities of four composite paraffin phase change materials (PCMs) containing embedded multi-walled carbon nanotubes (MWCNTs) with varying dimensions were determined. The goals of this study were to investigate ...

Keywords: Aspect Ratio, Carbon nanotubes, CNTs, composite, density, diameter, Fillers, Interfacial Thermal Resistance, Length, pcms, phase change materials, Thermal Conductivity, Thermal Diffusivity, TPS Device, Transient Plane Source, Transient Plane Source (TPS) Device

Temperature-dependent thermal properties of a paraffin phase change material embedded with herringbone style graphite nanofibers

Author(s): Amy S. Fleischer, Rebecca M. Weigand, Ronald J. Warzoha

The authors outline a method of enhancing the thermal properties of a paraffin phase change material through the addition of herringbone-style graphite nanofibers (HGNFs). It was found that the solid-phase ...

Keywords: Bulk Thermal Conductivity, density, differential scanning calorimeter, Fillers, graphite, Latent Heat of Fusion, Melt Temperature, nanocomposites, Nanofibers, Paraffin, paraffin (PA), pcms, phase change materials, SEM Imaging, Thermal Boundary Resistance, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Volumetric Heat Capacity

Papers Author: Ronald J. Warzoha

Effect of Graphene Layer Thickness and Mechanical Compliance on Interfacial Heat Flow and Thermal Conduction in Solid–Liquid Phase Change Materials

Improved heat recovery from paraffin-based phase change materials due to the presence of percolating graphene networks

Effect of carbon nanotube interfacial geometry on thermal transport in solid–liquid phase change materials

Temperature-dependent thermal properties of a paraffin phase change material embedded with herringbone style graphite nanofibers

Search Paper Database

Demonstration Corner

Laboratory Instruments

Portable Meters