A novel method of deicing utilizing a fins-on-tubes type evaporator/heat exchanger system that is optimized for energy-saving inductive heating thereof, by configuring it to increase its resistance to a value at which the system's reactance at its working frequency is comparable to its electrical resistance. The system includes a set of tubes configured for flow of cooling material therethrough, and also includes a set of fins positioned and disposed perpendicular to, and along, the tubes, in such a way that at least a portion of the fins comprises longitudinal excisions therein.

Proposed is a device (110) comprising at least one pipeline (112) for receiving at least one feedstock. The device (110) has at least one current-conducting medium (129). The device (110) has at least one current or voltage source (126) which is configured to generate an electrical current in the current-conducting medium (129), which heats the pipeline (112) by means of Joule heating which is produced when the electrical current passes through the current-conducting medium (129).

An additively manufactured heating element is printed on a flexible substrate and attached to an aircraft component having a complex geometric surface. The heating element is made of a plurality of layers of a conductive ink, which is electrically connected to a controller through one or more leads.

A method for producing a purée from a food product, comprising the following steps: refining the food product up to obtaining a purée; de-activating the enzymes by heating the purée, in order to prevent oxidation of the purée. The step of de-activating the enzymes comprises the step of passing an electric current through the purée between electrodes of a first ohmic heater (31).

A device (110) for heating a fluid is proposed. The device comprises at least one electrically conductive pipeline (112) and/or at least one electrically conductive pipeline segment (114) for receiving the fluid, and at least one DC current and/or DC voltage source (126), wherein respectively one DC current or DC voltage source (126) is assigned to each pipeline (112) and/or each pipeline segment (114), said DC current and/or DC voltage source being connected to the respective pipeline (112) and/or the respective pipeline segment (114), wherein the respective DC current and/or DC voltage source (126) is embodied to produce an electric current in the respective pipeline (112) and/or in the respective pipeline segment (114), said electric current warming up the respective pipeline (112) and/or the respective pipeline segment (114) by Joule heating, which arises when the electric current passes through conductive pipe material, for the purposes of heating the fluid.

A flowmeter for measuring flow of a conductive liquid includes a structure (20, 220) defining a flow path, electrodes in the flow path and electrodes (34a, 34b, 234a, 234b) exposed within the flow path. An electrical circuit (40, 240) applies a voltage between the electrodes so that an electrical current flows along a conduction path between the electrodes within a liquid flowing in the flow path. Means such as temperature sensors (56, 58, 256, 258) are provided for determining a value representing a temperature rise in the liquid passing through a sensing region of the flow path which encompasses at least a part of the. A monitoring circuit (60, 207) determines a value representing the flow rate based on the value representing the temperature, rise the voltage and the current. The flowmeter may be incorporated in an ohmic heater and elements of the ohmic heater may serve as elements of the flowmeter.

The present invention relates to a method of controlling an electro-thermal heating system in a wind turbine blade, comprising measuring a supply voltage to the electro-thermal heating system, determining a duration of a variable time based enforced off period based on the measured supply voltage, and inserting the variable time based enforced off period between subsequent switching duty cycles that controls the electro-thermal heating system. The present invention also relates to a wind turbine that comprises one or more wind turbine blades wherein each wind turbine blade comprises an electro-thermal heating system and a processor adapted to perform the method.

The present invention relates to an electrically heatable packed pressure-bearing apparatus for conducting endothermic reactions having an upper (3), middle (1) and lower (3) apparatus section, where at least one pair of electrodes (4, 5) in a vertical arrangement is installed in the middle section (1) and all electrodes are disposed in an electrically conductive solid-state packing (26), the upper and lower apparatus sections have a specific conductivity of 105 S/m to 108 S/m, and the middle apparatus section is electrically insulated against the solid-state packing, wherein the upper and lower apparatus sections are electrically insulated from the middle apparatus section, the upper electrode is connected via the upper apparatus section and the lower electrodes via the lower apparatus section or the electrodes are each connected via one or more connecting elements (10, 16) that are in electrical contact with these sections and the ratio of the cross-sectional areas of the upper and lower electrode to the cross-sectional area of the respective current-conducting connecting element or, without use of a connecting element, the ratio of the cross-sectional area of the upper and lower electrode to the cross-sectional area of the respective current-conducting apparatus section is 0.1 to 10.

Provided is an aerosol generating device which is capable of stopping aerosol generation at an appropriate timing. This aerosol generating device includes a power source which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor which outputs a measurement value for controlling the power supplied; and a circuitry which controls the power supplied from the power source on the basis of the measurement value. The circuitry controls to increase a power supply amount per unit time in response to a first condition that the measured value is equal to or larger than a first threshold being satisfied, and to decrease the power supply amount per unit time in response to a second condition that the measured value is less than a second threshold greater than the first threshold and a third condition which is different from the first condition and the second condition being satisfied.

A rolling mill (1) which is suitable for performing hot stalling rolling includes: a housing (2); a first roller (9) mountable to the housing (2); a second roller (10) mountable to the housing (2), wherein the position of the second roller (10) relative to the housing (2) is adjustable, thereby adjusting the width of a roll gap (17) between the first roller (9) and the second roller (10), and wherein the roll gap (17) is configured to deform a workpiece (18) when the workpiece (18) is passed therethrough. The rolling mill provides the advantage of optimizing the rolling process.