Are there any ways to overcome the limitations of natural ventilation such as unpredictable airflow and temperature differences? Is it more beneficial than not?
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Are there any ways to overcome the limitations of natural ventilation such as unpredictable airflow and temperature differences? Is it more beneficial than not?
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- Explain why the HVAC systems, new roof, interior renovation costs, additional plumbing, and restroom partitions have the same recovery life as the buildings.Why is information regarding the specific volume of gases important to the designer of air-conditioning, heating, and refrigeration equipment?Which of the three air-conditioning possible systems listed below should be used to maintain the indoor temperature of a house at 20°C while resulting in a daily lower operating cost when the outdoor temperature is -2°C. Based on the construction of the house you estimate that under the given indoor and outdoor temperatures the rate of heat loss to the surroundings is 17 kJ/s. Which system would you recommend as a feasible alternative? Support your answer for each one of the cases below with convincing computations that show which one of the systems is requires the minimum electrical power while being in compliance with the first and second law of thermodynamics. a. Electrical heating b. A heat pump with COPHP = 3.0 c. A heat pump with COP = 14.0
- Pick the right combination of True Statements. 1. As the by-pass factor (BPF) of the cooling coil increases, temperature difference between air at the outlet of the coil and coil ADP decreases. 2. As the by-pass factor (BPF) of the cooling coil increases, temperature difference between air at the outlet of the coil and coil ADP increases. 3. During cooling and humidification process, the enthalpy of air may increase, decrease or remain constant depending upon the temperature of the wet surface. 4. During sensible cooling of air, dry bulb temperature decreases but wet bulb temperature remains constant 5. The sensible heat factor for a sensible heating process is 1.0The sensible effectiveness of a heat recovery ventilator is 53.6%. The inlet temperature of fresh air is 35°C and relative humidity is 50%. The inlet temperature of exhaust air is 24°C and relative humidity is 60%. The mass flow rates of fresh air and exhaust air are 1.3 kg/s and 1.5 kg/s, respectively. Calculate the outlet fresh air temperature and estimate the energy saving ratio of adopting heat recovery ventilator.A cooling system is necessary for computers for a number of reasons. So, what precisely are the various cooling techniques?
- Explain the following terms by searching different sources: 1. Effect of design on volumetric efficiency, 2. Estimating air capacity● ● How are the 'environmental dose' and 'internal dose' related? How are they different? Which is typically higher and why? What are 3 of the central tenets of ergonomic design?In regards to HVAC systems, what are some ways of improving indoor living comfort through the use of green technology?
- Heat is produced by computers while they run. Do you have any questions concerning computer cooling systems?1) What is the importance of ventilation in designing a plumbing system? 2) What is the importance of proper waste water disposal in designing a plumbing system? 3) What is the importance of storm water drainage in designing a plumbing system?Write systematically how is solar thermal energy captured using solar power towers? Explain with a suitable diagram.