Performance of R407C as an Alternate to R22: A Review
S Kasera, SC Bhaduri - Energy Procedia, 2017 - Elsevier
The outcome of R407C as a drop in replacement of R22 has been reviewed in this paper. As
per Montreal Protocol, R22 is going to be phase out due to its unfavourable impacts related …
per Montreal Protocol, R22 is going to be phase out due to its unfavourable impacts related …
Instability of refrigeration system–A review
N Liang, S Shao, H Xu, C Tian - Energy conversion and management, 2010 - Elsevier
It is essential to ensure the stability for the normal operation of refrigeration systems. This
paper reviews the researches on the theory and solutions of the instability of refrigeration …
paper reviews the researches on the theory and solutions of the instability of refrigeration …
A model-driven multivariable controller for vapor compression refrigeration systems
LC Schurt, CJL Hermes, AT Neto - international journal of refrigeration, 2009 - Elsevier
A model-driven controller for vapor compression refrigeration systems is presented herein.
Mathematical sub-models were developed for each of the system components: heat …
Mathematical sub-models were developed for each of the system components: heat …
Control strategy and experimental analysis of a direct-expansion solar-assisted heat pump water heater with R134a
X Kong, K Jiang, S Dong, Y Li, J Li - Energy, 2018 - Elsevier
A direct-expansion solar-assisted heat pump (DX-SAHP) system was designed and built in
Qingdao China, which was used to supply domestic hot water. The system mainly consisted …
Qingdao China, which was used to supply domestic hot water. The system mainly consisted …
Modeling and experimental analysis of the solar radiation in a CO2 direct-expansion solar-assisted heat pump
In the present work is presented the dynamic model of an evaporator of a Direct Expansion
Solar Assisted Heat Pump (DX-SAHP), charged with CO 2. This dynamic model was used to …
Solar Assisted Heat Pump (DX-SAHP), charged with CO 2. This dynamic model was used to …
An experimental investigation on reverse-cycle defrosting performance for an air source heat pump using an electronic expansion valve
When an air source heat pump (ASHP) operates in heating mode, frost can be accumulated
on the surface of its finned outdoor coil. Frosting deteriorates the operation and energy …
on the surface of its finned outdoor coil. Frosting deteriorates the operation and energy …
Mass flow rate prediction of direct-expansion solar-assisted heat pump using R290 based on ANN model
X Kong, S Ma, T Ma, Y Li, X Cong - Solar Energy, 2021 - Elsevier
A direct-expansion solar-assisted heat pump (DX-SAHP) system using R290 (propane) is
studied experimentally. A Coriolis mass flow meter is employed to measure the R290 mass …
studied experimentally. A Coriolis mass flow meter is employed to measure the R290 mass …
Heat rejection pressure optimization for a carbon dioxide split system: An experimental study
Recent studies indicate carbon dioxide (R744) as a valid alternative to classical substances
such as HFCs used in vapour compression plants. However a transcritical refrigeration cycle …
such as HFCs used in vapour compression plants. However a transcritical refrigeration cycle …
A quasi-steady state mathematical model of an integrated ground source heat pump for building space control
This paper is concerned with the development of a mathematical model, capable of
describing the quasi-steady state performance of an integrated ground source heat pump …
describing the quasi-steady state performance of an integrated ground source heat pump …
Modelling thermostatic expansion valves
This paper describes and evaluates the development of generalised steady state and
transient mathematical models for thermostatic expansion valves (TEVs) of the types used in …
transient mathematical models for thermostatic expansion valves (TEVs) of the types used in …