ODP (Ozone Depletion Potential), and GWP (Greenhouse Warming Potential) are calculated relative to CFC R11. High latent heat Low compression superheat Low throttling losses High heat transfer propertiesĠ.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Thermally stable Safe (toxicity and flammability) Low cost and widely available Compatible with materials of construction High performance Optimum Intermediate Temperature for 2-Stage VCCĬomparison of Two-Stage and Single-Stage VCCsĭesirable Characteristics of Refrigerants With the aid of a psychrometric chart, knowing the dew point temperature. P-h Diagram for 2-Stage VCC with Subcooler (ASHRAE) on suitable inputs to advance methods of simulating condensation risk. P-h Diagram for 2-Stage VCC with Flash Economizer P-h Diagram for Real Vapor Compression Cycle It does not store any personal data.Air Conditioning Systems Cool & Dehumidify AirĬoil temperature must be cooler than room dew point (DP) to dehumidify the air Coil Inlet The program on the CD allows the user to plot typical psychrometric processes and perform the corresponding energy calculations on-screen, without having to first print out the individual charts. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. This CD includes all five of ASHRAEs I-P unit psychrometric charts and all seven SI psychrometric charts. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is used to store the user consent for the cookies in the category "Other. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". It may be noted that there is a horizontal line representing 45F (7C) DPT, the assumed supply air DPT for this illustration. The cookie is used to store the user consent for the cookies in the category "Analytics". The psychrometric chart illustrated in Figure 4 presents the four regions, A, B, C, and D, into which the OA may fall. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly.