Temperature sensing was the initial COVID-19 detection process to isolate people with a temperature, who may have had the virus, from others. Healthcare facilities including hospitals and clinics and other locations frequently used and continue to use non-contact thermal sensing as a precautionary step to prevent the spread of the virus. Based on the statement above, sketch the construction diagram and apply the system for another industrial application and give the reasons.

Temperature sensing was the initial COVID-19 detection process to isolate people with a temperature, who may have had the virus, from others. Healthcare facilities including hospitals and clinics and other locations frequently used and continue to use non-contact thermal sensing as a precautionary step to prevent the spread of the virus. Based on the statement above, sketch the construction diagram and apply the system for another industrial application and give the reasons.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter37: Air Distribution And Balance

Section: Chapter Questions

Problem 16RQ

See similar textbooks

Similar questions

Determine the latent heat gain from the occupants for an office building with a floor area of 150m x 70m. Working time of 20 occupants is from 9am to 5pm with working-break. Assume a diversity factor of 75%
Use the VG-1 Performance Evaluation Criteria (PEC) (assume all thermal resistance on one side) to compare the performance of the offset strip-fin (OSF) and the plain surface geometry (use subscript “s”). Assume that the plain fin geometry operates at Res = 834, at which js = 0.00669 and fs = 0.0235. Assume that curve fits of f and j vs. Re exist for the OSF geometry; let these be f = F(Re) and j = J(Re). Derive the equation to calculate the Re at which the OSF geometry would operate for the VG-1 case. Your final expression should include all of the above numerical values and expressions for f and j. Describe how you would solve for Re. Assume that both surfaces have the same hydraulic diameter.
What are the types of temperature sensors / devices used in industrial applications? (Give atleast 5 thermocouple sensors).
A meeting hall is maintained at 25°C the space cooling load of 40 kW of which 30 kW is sensible cooling load the temperature of the supply air to the space must not be lowered in 18°C outdoor conditions are 35°C and 50% RH Determined. A. amount of air supplied to the space B.tons of refrigeration required of the cooling equipment C. Apparatus dew point temperature D. Exhaust capacity
Build a spreadsheet to do the step by step method for estimating the temperature of unprotected steel work exposed to the ASTM E119 Standard Fire. Assume a convective heat transfer coefficient of 25 W/m2K and an emissivity of 0.5. Assume the specific heat to remain constant at 600 J/kgK. Use a time step of 30 seconds and an ambient temperature of 20°C. Provide an Excel plot showing the curves of the fire and a steel member through a time of 60 minutes with F/V ratios of: a)25 m-1 b)100 m-1 c)200 m-1 d)300 m-1 Note your plot should contain 5 curves. One for the fire and one for each of the F/V values. Also on the spreadsheet, highlight in green, the cells identifying the temperature of the unprotected steel member with an F/V of 200m-1 at the following times: a)3 minutes b)10 minutes c)20 minutes d)50 minutes
Method B Method B – Oven Drying make up computation example with solution Mass of wet sample Mass of dry sample % Moisture Absorption 0.50% % surface (free) moisture
What is the rate of rice husk consumption of a 2-ton grain dryer requiring to dry paddy from 22 to 14% in 8 hrs. The dryer overall thermal efficiency is 45%. Assume a heat of vaporization for paddy of 600 kCal/kg of moisture evaporated and heating value for rice husk of 3,000 kcal/kg.
Explain FIVE (5) justification with examples for coating an engineeringcomponent with ceramics(b) In a certain welding operation, the system can produce welding heat capable oftransferring 2.7 kW to the surface of a metal part. It is observed that the heated areais circular. It is further observed that the heat intensity decreases with increasingradius in which 50% of the power is transferred within a circle of diameter 2.54mm while 75 % is transferred within a concentric circle of diameter of 6.35 mm. (i) Determine the power densities in the 2.54 mm diameter inner circle.(ii) Determine the power densities in the 6.35 mm diameter ring that lies around the inner circle.(iii) Analyze the power densities in Q5b (i & ii) for sufficiency in melting themetal.
(a) In thermal systems design projects various cost estimation methods can be followed depending on the nature of the project. Discuss at least four costing methods that can be applied in the thermal systems design and compare the strength and weakness of each method. (minimum 250 words). (b) Which method of costing do you think is appropriate for your thermal system design project? Discuss your justifications why you prefer the particular cost estimation method. (c) In the design process of air conditioning systems discuss the key steps you should carry out before production and installation of the system.
Experiment: A cooling tower uses forced air and column packing to cool downward-flowing water. Inlet water temperature and water flow rate are varied to investigate effects on outlet water temperature, outlet air temperature, and outlet air humidity. The system is first observed operating with ambient room temperature water. A heat load is then applied to the water tank, and the system response is observed. This is to simulate a power plant starting up and placing a cooling load on the cooling water supply. The aim is to compare the system response with and without the load. Data from the Experiment and the make-up water mass flow rate are both shown in the following tables below. For the load cases, determine the net rate of water evaporation from the cooling water to the air using the equation for air flow rate. Compare this with the rate at which make-up water enters the system. For the load cases, determine the rate of work supplied by the pump and compare it to the pump power…
Thermocouples are devices used to measure temperature of a given sample or the surroundingmedium. These devices feature a “bead”, which has a spherical shape, and produces voltage upon changein temperature. For an engineering application at a pharmaceutical company, thermocouple devices arebeing tested for their responsiveness, i.e. how fast it can detect temperature changes in the environment(surrounding air). The engineers at this company have specified design constraints for an idealthermocouple: it must detect temperature changes no later than 1.5 minute, and the reportedtemperature value must be reasonably correct: at most %3 difference between measured and actualtemperature values is allowed.Four thermocouples from different vendors are being tested. Relevant properties of these devices arelisted below: The experiment involves placing the thermocouple from air at 20 °C to air at 150 °C, and monitoring thetime it takes for the measured values to reach 150 °C, which is the…
Repeat Problem 1.35 but assume that instead of surface temperatures, the given temperatures are those of the air on the left and right sides of the wall and that the convection heat transfer coefficients on the left and right surfaces are 6 and 10W/m2K, respectively.