An optical fiber or optical fiber cablemay be inserted into an optical fiber heat exchanger to permit the optical fiber cable to be temporarily and/or removably connected with other fibers and/or fiber cables,
The use of geothermal borehole heat exchangers (BHEs) in combination with ground-source heat pumps represents an important part of
Abstract Polymeric heat transfer surfaces (HTS) offer numerous advantages, such as flexibility, fouling resistance, corrosion and chemical resistance, and good recyclability. Moreover,
On the contrary, optic fiber links, whether utilized for video or audio links over long or short ranges, offer some unique advantages as compared to
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This work presents the design and tests results for two temperature sensors based on quasi-distributed Fiber Bragg gratings (FBG) applied to bearings and heat exchangers of hydro
In this work, we analyze the thermal effects occurring in optical fibres, such as the coating heating due to high power propagation in bent fibres and the fibre fuse effect. We describe the actual state of the art
In this paper, the thermal extraction performance of the deep coaxial borehole heat exchanger is analyzed and discussed based on a field test with distributed optical fiber temperature
Fiber Optic Temperature Sensing in Heat Exchangers and Bearings for Hydro Generators Uilian José Dreyera, Erlon Vagner da Silvab, André Biffe Di Renzoa, Felipe Mezzadria, Hypolito José
In order to determine the tube wall thickness of the respective heat transfer tube (3) during operation of the heat exchanger (1). The invention further relates to a method for operating a heat exchanger (1).
Fibre optic temperature measurements: A new approach to determine the dynamic behaviour of the heat exchanging medium inside a
In various applications, a polymeric hollow fiber heat exchanger (PHFHE) is a competitive alternative to a conventional heat exchanger (HE). Standard empirical models for predicting the
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It is composed of massage receiver and transmitter of the communication process. The fiber optical transceiver modules convert electrical signal and optical signal
Current non-destructive testing methods, such as ultrasound and eddy current, require plant shutdowns and manual operation. To address this, we propose a fiber-optic sensing technique for WT
Corning® single-panel housing is a cost-effective option for storage, protection and termination of optical fiber cables in applications with minimal mounting space.
In order to increase usability, it is provided that a fiber-optic sensor (2) is arranged on one or more of the heat transfer tubes (3), wherein the fiber-optic sensor (2) is designed to...
Abstract: The use of geothermal borehole heat exchangers (BHEs) in combination with ground-source heat pumps represents an important part of shallow geothermal energy production, which is already
Introduction In order to study the far-field behavior and the interaction between heat exchangers for shallow (~100m) closed-loop geothermal systems, four double-U borehole heat exchangers (BHEs)
The invention relates to a heat exchanger, in particular a high-pressure heat exchanger for urea synthesis, comprising multiple heat-transfer tubes for transporting a first fluid in order...
This paper reviews the sensing principle, structural design, and temperature measurement performance of fiber-optic high-temperature sensors,
To address this limitation, this paper reports on the use of a fiber optic temperature sensing system incorporated into the supply and return side of a U-tube.
The invention relates to a heat exchanger (1), more particularly a high-pressure heat exchanger for urea synthesis, having a plurality of heat-transfer tubes (3) for transporting a first fluid (F1), in order to
Presented in this article are experimental results of an investigation on the performance of distributed fiber optic temperature sensors at temperatures up to 800 ∘ C.
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