Answer :
Final answer:
R-1234yf was adopted in automotive applications primarily due to its low global warming potential (GWP), making it a better environmental choice. Additionally, it shares similarities with R-134a, which allows for easy transition in existing systems. This adoption reflects the automotive industry’s commitment to reducing greenhouse gas emissions.
Explanation:
Understanding R-1234yf Refrigerant in Automotive Applications
The introduction of the R-1234yf refrigerant has been primarily driven by environmental concerns and regulatory changes. It is a hydrofluoroolefin (HFO) that was developed as an alternative to R-134a due to its significantly lower global warming potential (GWP).
Reasons for the Adoption of R-1234yf
Let’s examine the options presented:
- a. The need for a different refrigerant to meet the increasing needs of the modern automotive vehicle - This option is somewhat vague as it does not specify why a different refrigerant is needed aside from general needs of vehicles.
- b. The decreased availability of R-134a refrigerant within the automotive sector - While R-134a is still in use, its phasedown due to environmental regulations encourages a shift to alternatives.
- c. The high GWP of the refrigerant, which makes it a better type of refrigerant for automotive applications - This is incorrect; R-1234yf has a low GWP, making it favorable.
- d. The low GWP of the refrigerant and its similarity to R-134a - This is the correct answer. R-1234yf was chosen due to its significantly lower GWP compared to R-134a, and having similar thermodynamic properties ensures it can be used effectively in existing systems.
In conclusion, R-1234yf is utilized in automotive applications largely due to its low GWP, which aligns with the global efforts to reduce environmental impact, while also being compatible with existing vehicle systems designed for R-134a.
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