Factory selling Thermostatic Wax Series for Vietnam Importers
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Factory selling Thermostatic Wax Series for Vietnam Importers Detail:
The characteristic of Thermostatic Wax consists of its volume expansion amount can reach up to 13 ~ 15 % when it is heated from solid to liquid. We use this characteristic, when it is heated to a solid-liquid transformation, its’ heat energy can translate into mechanical energy. Thermostatic Wax has been widely applied to temperature auto regulation of thermal-driving and various thermal-starting devices.
For example, automobile thermostat has been most widely well known, it has cylindrical seal part that loads some Thermostatic Waxes inside. To realize automatic temperature control, it was designed by a special technical specification for the solid-liquid transformation of Thermostatic Wax. When the cylindrical part is heated, Thermostatic Wax in the part is also heated and making a solid-liquid transformation expansion, Thermostatic Wax pushes thermostat’s itself handspike to open the valve. When the cylindrical part gets cold, Thermostatic Wax also cooled and start to shrink, Thermostatic Wax pushes itself handspike back to original situation under the return load force to close up the valve to realize automatic temperature control.
Depending on the main principle of Thermostatic Wax, The developed thermal driving devices and thermostats have been widely applied to automobile thermostat, automobile temperature-control switch for electric fan, various engines cooling water temperature auto controller, lubricant oil temperature auto control, auto cycle enriching valve, industry electric power control valve, water temperature regulating valve, safety device, space heating, fire protection, air filtering, temperature regulating device, sanitary ware and heating temperature controlling valve, air temperature control, ventilating control, solar water heater, automatic door and window, thermal driving electric switch, alarm apparatus, house ventilating, radiator temperature control valve, hot landing device for aviation and automaton etc.
Within temperature control range of –20 ~ 180 ℃ of Thermostatic Wax may compound with different temperature range and different efficient distance according to client’s technical demand. Our company may offer the relative technical service.
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Model Number |
Appearance (Normal Temperature) |
Quality Standard |
|||
|
Range of Temperature Control |
Effective Distance Travel |
Water-Solubility Acid and Alkali |
Mechanical Impurity |
||
|
B100 |
Powder, Slice , Column |
90/100 |
≥10 |
Non. |
Non. |
|
B105 |
Powder, Slice , Column |
95/105 |
≥10 |
Non. |
Non. |
|
B110 |
Powder, Slice , Column |
100/110 |
≥10 |
Non. |
Non. |
|
B115 |
Powder, Slice , Column |
105/115 |
≥10 |
Non. |
Non. |
|
B120 |
Powder, Slice , Column |
110/120 |
≥10 |
Non. |
Non. |
|
B125 |
Powder, Slice , Column |
115/125 |
≥10 |
Non. |
Non. |
|
B130 |
Powder, Slice , Column |
120/130 |
≥10 |
Non. |
Non. |
|
B135 |
Powder, Slice , Column |
125/135 |
≥10 |
Non. |
Non. |
|
B140 |
Powder, Slice , Column |
130/140 |
≥10 |
Non. |
Non. |
|
B145 |
Powder, Slice , Column |
135/145 |
≥10 |
Non. |
Non. |
|
B150 |
Powder, Slice , Column |
140/150 |
≥10 |
Non. |
Non. |
|
B155 |
Powder, Slice , Column |
145/155 |
≥10 |
Non. |
Non. |
|
B160 |
Powder, Slice , Column |
150/160 |
≥10 |
Non. |
Non. |
|
B165 |
Powder, Slice , Column |
155/165 |
≥10 |
Non. |
Non. |
|
B170 |
Powder, Slice , Column |
160/170 |
≥10 |
Non. |
Non. |
|
B175 |
Powder, Slice , Column |
165/175 |
≥10 |
Non. |
Non. |
|
B180 |
Powder, Slice , Column |
170/180 |
≥10 |
Non. |
Non |
Product detail pictures:
We enjoy a very good reputation among our customers for our excellent product quality, competitive price and the best service for Factory selling Thermostatic Wax Series for Vietnam Importers, The product will supply to all over the world, such as: Slovak Republic , Roman , Congo , The company has numbers of foreign trade platforms, which are Alibaba,Globalsources,Global Market,Made-in-china. "XinGuangYang" HID brand products sell very well in Europe, America, Middle East and other regions more than 30 countries.
Silicon lens for mounting plasmonic photoconductive terahertz emitters sales@dmphotonics.com
Featured research:
Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
In this video article we present a detailed demonstration of a highly efficient method for generating terahertz waves. Our technique is based on photoconduction, which has been one of the most commonly used techniques for terahertz generation 1-8. Terahertz generation in a photoconductive emitter is achieved by pumping an ultrafast photoconductor with a pulsed or heterodyned laser illumination. The induced photocurrent, which follows the envelope of the pump laser, is routed to a terahertz radiating antenna connected to the photoconductor contact electrodes to generate terahertz radiation. Although the quantum efficiency of a photoconductive emitter can theoretically reach 100%, the relatively long transport path lengths of photo-generated carriers to the contact electrodes of conventional photoconductors have severely limited their quantum efficiency. Additionally, the carrier screening effect and thermal breakdown strictly limit the maximum output power of conventional photoconductive terahertz sources. To address the quantum efficiency limitations of conventional photoconductive terahertz emitters, we have developed a new photoconductive emitter concept which incorporates a plasmonic contact electrode configuration to offer high quantum-efficiency and ultrafast operation simultaneously. By using nano-scale plasmonic contact electrodes, we significantly reduce the average photo-generated carrier transport path to photoconductor contact electrodes compared to conventional photoconductors 9. Our method also allows increasing photoconductor active area without a considerable increase in the capacitive loading to the antenna, boosting the maximum terahertz radiation power by preventing the carrier screening effect and thermal breakdown at high optical pump powers. By incorporating plasmonic contact electrodes, we demonstrate enhancing the optical-to-terahertz power conversion efficiency of a conventional photoconductive terahertz emitter by a factor of 50 10.
Introduction
We present a novel photoconductive terahertz emitter that uses a plasmonic contact electrode configuration to enhance the optical-to-terahertz conversion efficiency by two orders of magnitude. Our technique addresses the most important limitations of conventional photoconductive terahertz emitters, namely low output power and poor power efficiency, which originate from the inherent tradeoff between high quantum efficiency and ultrafast operation of conventional photoconductors.
One of the key novelties in our design that led to this leapfrog performance improvement is to design a contact electrode configuration that accumulates a large number of photo-generated carriers in close proximity to the contact electrodes, such that they can be collected within a sub-picosecond timescale. In other words, the tradeoff between photoconductor ultrafast operation and high quantum efficiency is mitigated by spatial manipulation of the photo-generated carriers. Plasmonic contact electrodes offer this unique capability by (1) allowing light confinement into nanoscale device active areas between the plasmonic electrodes (beyond diffraction limit), (2) extraordinary light enhancement at the metal contact and photo-absorbing semiconductor interface 10, 11. Another important attribute of our solution is that it accommodates large photoconductor active areas without a considerable increase in the parasitic loading to the terahertz radiating antenna. Utilizing large photoconductor active areas enable mitigating the carrier screening effect and thermal breakdown, which are the ultimate limitations for the maximum radiation power from conventional photoconductive emitters. This video article is concentrated on the unique attributes of our presented solution by describing the governing physics, numerical modeling, and experimental verification. We experimentally demonstrate 50 times higher terahertz powers from a plasmonic photoconductive emitter in comparison with a similar photoconductive emitter with non-plasmonic contact electrodes.
Keywords: Physics, Issue 77, Electrical Engineering, Computer Science, Materials Science, Electronics and Electrical Engineering, Instrumentation and Photography, Lasers and Masers, Optics, Solid-State Physics, Terahertz, Plasmonic, Time-Domain Spectroscopy, Photoconductive Emitter, electronics
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3731459/
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