A heat flow measurement apparatus is provided with a heat flux sensor and a thermocouple sheet. The heat flux sensor includes an insulation substrate, a plurality of interlayer connection members, a front surface wiring pattern, a back surface wiring pattern, a front surface protective member and a back surface protective member. The thermocouple sheet includes a thermocouple, a first insulation sheet and a second insulation sheet, and is fixed to a portion where the front surface protective member and the back surface protective member extend in a surface direction from the insulation substrate.

Waveguides and electromagnetic cavities fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. Devices comprising electromagnetic cavities fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. Devices comprising waveguides fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. The devices include electromagnetic splitters, filters, and sensors.

Waveguides and electromagnetic cavities fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. Devices comprising electromagnetic cavities fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. Devices comprising waveguides fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. The devices include electromagnetic splitters, filters, and sensors.

A measurement core for measuring nuclear heating, the core extending in a longitudinal direction and having a main plane, includes at least: a first layer of material, forming a first sample; a first thin layer of electrical insulation on the first sample; a thin conductive layer forming a heating electrical resistor on the first layer of electrical insulation; and a second thin layer of electrical insulation on the heating electrical resistor. A calorimetric sensor includes: an outer jacket; a gas contained in the jacket; a measurement core disposed in the jacket; a link for holding the core in the jacket and transferring the heat between the core and the jacket; and temperature measurement capable of measuring the temperature at a hot point, and the temperature at a cold point.

A measurement core for measuring nuclear heating, the core extending in a longitudinal direction and having a main plane, includes at least: a first layer of material, forming a first sample; a first thin layer of electrical insulation on the first sample; a thin conductive layer forming a heating electrical resistor on the first layer of electrical insulation; and a second thin layer of electrical insulation on the heating electrical resistor. A calorimetric sensor includes: an outer jacket; a gas contained in the jacket; a measurement core disposed in the jacket; a link for holding the core in the jacket and transferring the heat between the core and the jacket; and temperature measurement capable of measuring the temperature at a hot point, and the temperature at a cold point.

A thermal analysis device, a sample holder assembly and a thermal analysis method, capable of DSC measurement and TG measurement while simplifying replacement of a temperature sensor or the like upon damages. The thermal analysis device includes a sample holder assembly that is detachably mounted, a first sample stage and a second sample stage that are detachably mounted, a heater (heating furnace) that heats the sample holder assembly and the like, a temperature controller, a temperature measuring section for detecting a temperature difference between the sample and a reference substance, and a weight measuring section (balance) for measuring a weight difference between the sample and the reference substance. The sample holder assembly includes a first sample holder for placing a sample thereon, and a second sample holder for placing a reference substance thereon, as well as a heat sink coupled to the first sample holder and the second sample holder, respectively, through a member having a predetermined thermal resistance, for measuring the temperature difference or the weight difference.

A thermal battery system may be provided comprising: a vessel comprising a phase change material and a gas; a heat exchanger configured to transfer heat to and/or from the phase change material; a temperature sensor configured to detect an indication of a temperature of the gas; a pressure sensor configured to detect an indication of a pressure of the gas; and a processor configured to determine a state of charge of the thermal battery system from the indication of the pressure and the indication of the temperature of the gas.

A battery electric device includes a battery cell, e.g., a pouch, prismatic, or cylindrical cell, connectable to an electric load, and a direct-to-air thermoelectric assembly (TEA) or another heat pump connected to a surface of the cell. A pressure control device maintains constant pressure on the cell surface when the cell is connected to the load. Connection to the load causes the TEA/heat pump to pump heat from the cell. A sensor, e.g., thermocouple(s) and/or heat flux sensor(s), generate an output voltage signal indicative of the quantity of heat. A battery system includes the device and a processor in communication with the cell, the load, and the power supply. The processor generates an electronic control signal in response to the quantity of heat.

An adiabatic coaxial cable connector includes a chassis, and a planar transmission line within the chassis and having first and second ends. The coaxial cable connector further includes a first coaxial-to-planar transition within the chassis and connected to the first end of the planar transmission line, and a second coaxial-to-planar transition within the chassis and connected to the second end of the planar transmission line.

A measuring device includes a first cover member having a measuring instrument, a second cover member configured to form an air layer between the second cover member and the first cover member, and a third cover member which transports heat flux from an object to be measured outside the first cover member to an upper part of the second cover member and a member having thermal conductivity and having a shape in which the member surrounds a side surface of the first member which are provided between the first cover member and the second cover member.