This model contains a calculation procedure for the engine efficiency
presented by Engelpracht (2017). However, this approach is just
fitted to various experimental data obtained by a literature review
and, therefore, to use with caution.
Reference | Formula | Refrigerants |
Validity ncompressor
|
Validity Πpressure
|
---|---|---|---|---|
Engelpracht2017 |
ηeng = a1 + a2*π + a3*π^2 + a4*n*π + a5*n^2
+ a6*π^2*n + a7*π*n^2 + a8*n^3 + a9*π^2n^2 + a10*π*π^3 +
a11*n^4
|
Generic model |
0 - 120
|
1 - 10
|
Engelpracht, Mirko (2017): Development of modular and scalable simulation models for heat pumps and chillers considering various refrigerants. Master Thesis