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| Approximate size of the job: | pages: 30 |
| Started: | 03 Jun 2008 @07:23 (GMT) |
| Job deadline: | 05 Jun 2008 @06:00 (GMT) |
| Quoting deadline: | 04 Jun 2008 @07:23 (GMT) ( expired ) |
| Started by: |
 LIDER 22/697-79-00 Al. Jana Pawła II 15 00-828 Warszawa  Number of ratings: 32
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| Job type: | Translation |
| Expertise (general): | Technical/Engineering |
| Translation job description: |
IIL Business Plan Waste Heat Recovery System: “Otello” |
| Sample text: |
2. HOW “OTELLO” heat engine WORKS The Otello system is a method for converting energy from a heat source into a more useful form, such as electricity. Otello has been designed to recover energy from low temperature heat sources in the range 90 o C to 150 o C. The principle that drives Otello is that a closed vessel containing a fluid will become pressurised when it is heated. With an appropriate fluid, high pressures (50 bar or more) can be reached at the available temperature. This high pressure can then be used to drive a machine, thus converting heat energy into useful mechanical energy. Critical to the performance of the machine is the selection of a working fluid that generates sufficiently high pressure from the available heat source. The fluid selected for Otello is a refrigerant known as R410-A, which, at temperatures in the range 90 o C to 150 o C can generate pressures of between 50 bar and 100 bar. A key aspect of the Otello system is the use of bladder accumulators (supplied by Olaer), which are pressure vessels containing a flexible bladder that divides the total volume into two separate chambers. In Otello, the refrigerant is heated and pressurised inside one chamber of an accumulator, and this high pressure is then transferred to a hydraulic medium (such as oil or water) inside the bladder. This produces a flow of high pressure hydraulic fluid, which can be used to run a machine. It is this process that allows the Otello system to convert thermal energy into mechanical energy. The Otello therefore has two main systems: (1) a Refrigerant Circuit that controls the heating, pressurisation and circulation of the R410-A, and (2) a Hydraulic Circuit that converts the high pressure generated by the R410-A into a useful mechanical output, as shown in Figure 1. |
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