Air source heat pump (ASHP) units have found worldwide applications due to their
advantages of high energy efficient and environmental friendly. Frost deposition and …

Large-scale heat pumps can contribute towards the decarbonisation of district heating
systems and industrial processes. Unidentified faults can have a negative impact on the …

Nowadays, due to the energy and environmental crisis, using renewable energy is
considered to reduce environmental pollution. In this paper, a comprehensive review of …

Solar assisted air source heat pump shows great potential as a promising energy-saving
heating technology, which integrates solar collector and air source heat pump. It is widely …

An environmental and economical assessment model is developed, in order to evaluate the
performances of transcritical CO 2 heat pump system with dedicated mechanical subcooling …

As a common physical phenomenon, frost deposition is inevitable and always has
significant negative effects on several industry fields, such as aerospace, aviation, and …

We designed and constructed a series of micro-cubic arrays on silicon surface by means of
a selective plasma etching technology to explore the size effect of surface microstructure on …

In practical projects, it is found that at the same outdoor temperature and relative humidity,
the frosting performance of variable-frequency air source heat pumps (VFASHPs) in different …

Heat pump technology fully shows the principle of energy recycling in terms of Heating,
Ventilating and Air Conditioning (HVAC). It avoids unipolarity of energy using in the …

In the UK, gas boilers are the predominant energy source for heating in housing, due
primarily to the ready availability of natural gas. The take-up of heat pumps has lagged far …