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CHAPTER 5. ECONOMIC ANALYSIS While designing a new system, it is important to analyze the economic benefits of the technology as well. Various system improvements are discussed in Chapter 3. The significant energy savings lead to noteworthy operating cost savings. First, the operating cost savings are discussed and then a payback analysis is carried out to calculate the feasibility of the technology. Purdue University benefits from a power plant responsible for providing the required heating and cooling to campus buildings. It also provides a portion of electricity. The deficit in electricity need is bought from Duke Energy. The aggregate power cost averaged over a year is 0.0486$/kWh (Source: Wade Utility plant- Anthony Covarrubias). The annual operating cost savings with change in the supply temperature is shown in Figure 5-1. The system can save $137,219 - $203,858/year. Figure 5-1. Operating cost savings. 43PDF Image | CO2 HEAT PUMPS FOR COMMERCIAL BUILDING APPLICATIONS
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
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