Due to the impacts of carbon emissions on climate change and expected dramatic increase in global cooling demand by 2050, it is a paramount importance that required energy cool buildings accurately predicted. This ensures equipment appropriately sized, which ultimately reduces consumption emissions. CIBSE ASHRAE standards are both widely adopted for load predictions, but they adopt different ca...

Thermal comfort is a part of indoor environmental quality that should be considered to ensure the occupants' well-being. Unconducive buildings not only bring occupants discomfort but also tend affect health, disrupt process teaching and learning, reduce work productivity. Thus, this study determines thermal condition existing workshop used in Technical Vocational Education Training (TVET) imple...

The paper presents the integrated application of two methods during testing HVAC system efficiency in cabins HUMMER ?1151A1 and OAR 1RL-128D off-road vehicles. Spatial measurements change air temperature per time have been performed at three vertical levels (head, knees, feet) driver passengers, which totals to 15 measuring points vehicle. main goal was evaluate accurately heating cooling relat...

Many climate-controlled agricultural buildings use direct gas-fired circulating heaters (DGFCH) for supplement heat. There is no standardized test to calculate thermal efficiency these heaters. This study aimed develop a measurement system and analytical analysis efficiency, quantify the uncertainty, assess economics of DGFCH efficiency. The developed was similar ASHRAE 103 standard stand with ...

The shape of a solar collector is an important factor in solar-to-thermal energy conversion. Conical shape is one of the stationary and symmetric shapes that can be employed as a solar water heater. Flow rate of working fluid on the solar collector has an important effect on the efficiency of the collector. The present study is an experimentally investigated of the performance of the solar coni...