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4411 — Modeling and Analysis of Gas Coolers

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Conference Proceeding by ASHRAE, 2001

Category:

Description

Themathematical model of gas coolers is the cornerstone of gas cooler design and system modeling of the CO2 transcritical cycle. Modeling is a powerful means to analyze the thermal performances of gas coolers. This paper proposes a mathematical model of gas coolers for calculating heat transfer and pressure drop at supercritical pressures in both transitional and fully developed turbulent regimes. Based on the mathematical model, a computer simulation program in EES for gas coolers is developed. Verification with experimental data is made thereafter. The model predictions describe 97% of the experimental data of the capacity within ±5% and 97% of the experimental data of the refrigerant temperatures at the gas cooler outlet with deviation within ±1°C.

Units: SI

Citation: ASHRAE Transactions, vol. 107, pt. 1

Product Details

Published:
2001
Number of Pages:
10
File Size:
1 file , 260 KB
Product Code(s):
D-22507