Radiators                        

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Information @ a Glance

General

  • Radiators and convectors are types of heat exchangers designed to transfer thermal energy from one medium to another for the purpose of cooling  and heating.
  • In automobiles with a liquid-cooled internal combustion engine a radiator is connected to channels running through the engine and cylinder head, through which a liquid (coolant) is pumped.
  • The radiator transfers the heat from the fluid inside to the air outside, thereby cooling the engine.
  • A carís radiator, usually made of an aluminum tube, is bent into several folds to form a rectangular shape. The purpose of this design is to maximize  the surface area.

Application

  • A typical ESPAR antenna consists of monopole or dipole elements, one of which is the radiator (fed element) and the others are the parasitic radiators with variable reactance devices loaded on them. It can provide a lower-cost solution as an adaptive array antenna or angle diversity antenna, since it needs only a single receiver circuit.
  • Electrostatically switched radiator (ESR) is a device that can control the radiation emitted from a surface by controlling the position of a thin membrane.
  • The ESR device can be use to control thermal radiation emitted from a surface and can be treated as a variable emittance device
  • The electron beam through thin targets can remarkably increase the efficiency of x-ray production without significantly changing its spectral and angular distributions.
  • The application of liquid sheet radiator is evaluated on the effects of dust propagation, system cost, specific power, overall weight, and efficiency.
     

Technology

  • Time-modulated ultra-wideband systems is the technique applied to similar emissions from unintentional radiators.
  • Time-modulated ultra-wideband RF transmissions, the technique that is most faithful to this objective is to use the existing intentional radiator technique for non-pulse modulate sinusoid carrier emissions.
  • Radiator Warehouse is the technology for recycling water and reducing chemicals.
  • The UWB radiators are used in a radar technology of high spatial resolution and for checking of electromagnetic compatibility.

Report

  • In manufacturing the radiators, the CuproBraze process is used to braze the joint at the header plate-to-core interface and to enhance the rigidity of the fins.
  • The high conductivity graphite foam presents a unique solution to the increasing cooling demands of power electronics and other automotive components.
  • Exposure of radiation can be controlled through the proper design, installation, use, and maintenance of a ventilation system that moves the contaminated air away from the worker's breathing zone.
  • L&Mís small radiators start at $400, while the radiators sold to Terex typically run from $25,000 to $30,000 delivered (the radiator for Terexís
    smallest truck costs $15,000).

Market

  • Rettig plans to introduce another production line into the Tianjin factory, which will have an annual manufacturing capacity to produce 350,000 panel radiators.
  • The 1-800-Radiator computer system has a proprietary "stocking mechanism" in its software which helps fine tune each and every market to have a unique inventory mix.
  • The market for towel rails/bathroom radiators is increasing at over 8% per annum across the five Western European countries studied.
  • Italy is overwhelmingly dominates the cast iron market, however, the market is expected to decrease due to the popularity of more modern and practical tubular multicolumn radiators.
  • The Italian radiator market is fragmented with most of sales being covered by local production

 

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