Mitigation of fouling and particulate deposition in heat exchangers is the foremost concern of
this critical review study. Formation of vindictive scale, sludge and fouling layers on heat …

Air-side fouling of heat exchangers has received much attention in the literature through
both experimental and modeling studies. However, no standards currently exist that define a …

For electric heat pump systems (EHP), soft faults such as refrigerant leakages and heat
exchangers fouling can lead to significant performance degradations, which can remain …

The ongoing European regulations towards the decarbonization of energy intensive sectors
such as heating and cooling will lead to an increase of heat pump appliances. Apart from …

The growth of Internet of Things (IoT) technologies is leading to new opportunities in the
heat pump sector for residential air conditioning, in which fault detection and diagnosis …

Using mechanical sub-cooling systems to increase COP of vapor compression cycles is a
known method in literature to save energy and increase efficiency. Recently, much progress …

The effect of faults on the cooling capacity, coefficient of performance, and sensible heat
ratio, was analyzed and compared for five split and rooftop systems, which use different …

Variable refrigerant flow (VRF) systems faults are inevitable due to installation errors,
degradation, and other reasons. It is of great value to quantitatively understand the impact of …

In this paper, an experimental study on the nature of the effects of condenser fouling on
some performance characteristics and properties of a simple vapor compression system is …

Performance degradation due to fouling in a vapor compression cycle is investigated for
various applications. Considering the first set of refrigerants ie R134a, R410A and R407C …