Publication

LTCC thermal gas viscometer – heater module

Thomas Maeder, Peter Ryser, Giancarlo Corradini
2006
Conference Papers

Abstract

In this work, a novel sensor for measuring the viscosity of a gas, based on the combination of a heating cavity, a pressure sensor and a meander with a high resistance to flow, all integrated in low-temperature co-fired ceramic (LTCC) technology, is presented. This paper reports the design, thermal characterisation and modelling of the heater module in quasi-stationary operation. The performance of the heater is satisfactory, and good agreement between experimental and calculated thermal properties is found. Nonetheless, some design changes are recommended, in order to improve heat transport in the heater module.

Official source

https://infoscience.epfl.ch/entities/publication/f43d35b5-bc95-4fd4-9546-a4535ebd6c83

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Thomas Maeder, Peter Ryser, Giancarlo Corradini
2006
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/f43d35b5-bc95-4fd4-9546-a4535ebd6c83

About this result

Related concepts (31)

Heat pipe

A heat pipe is a heat-transfer device that employs phase transition to transfer heat between two solid interfaces. At the hot interface of a heat pipe, a volatile liquid in contact with a thermally conductive solid surface turns into a vapor by absorbing heat from that surface. The vapor then travels along the heat pipe to the cold interface and condenses back into a liquid, releasing the latent heat. The liquid then returns to the hot interface through capillary action, centrifugal force, or gravity and the cycle repeats.

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A heat pump is a device that uses work to transfer heat from a cool space to a warm space by transferring thermal energy using a refrigeration cycle, cooling the cool space and warming the warm space. In cold weather a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house to the warmer outdoors in warm weather. As they transfer heat rather than generating heat, they are more energy-efficient than other ways of heating a home.

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A heat exchanger is a system used to transfer heat between a source and a working fluid. Heat exchangers are used in both cooling and heating processes. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries, natural-gas processing, and sewage treatment.

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LTCC thermal gas viscometer – heater module

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