Both design parameters (heat transfer surface, solar control) and operational ones (ventilation rates, HVAC functional regime) were varied.
In the study, computational fluid dynamics (CFD) modelling techniques were used to simulate and assess the effects of various mining methods, layouts, designs, and different operational and ventilation parameters on the flow of goaf gases in BG panels.
Multiple operational modes of longitudinal ventilation could be feasible for achieving the desired performance of smoke control.
Amongst the energy end-use sectors of an economy, residential buildings have become the dominant by consuming 50 70% of operational energy for Heating Ventilation & Air Conditioning (HVAC).
There are also mainly three kinds of operational methods of the ventilation system according to the climate.
The results produced by the model have been correlated against ventilation, climatic and operational data, obtained from a number of rapid tunnel developments within UK deep coalmines.
Under the bill, eligible projects include those that reduce energy consumption and operational costs via upgrades to: ventilation; lighting and other system controls; air infiltration; water use; windows and doors; heating and cooling (HVAC); electrical systems; and insulation.
A study led by researchers from Harvard University found the additional first cost and operational energy costs of higher ventilation rates plus energy recovery are more than counterbalanced by the economic savings flowing from a staff of healthier employees.
Operational characteristics of extraction fans, trickle ventilators, and mechanical ventilation and heat recovery systems were matched to UK industry norms and specified to comply with minimum whole house ventilation rates required by Approved Document F of the Building Regulations for England and Wales.
Carrier hotels have unusual operational requirements, including multiple power sources, numerous ventilation outlets and floors capable of bearing heavy loads.
