Question

In: Electrical Engineering

A sing-around sensor outputs frequency 40 Hz. Knowing that the average flow rate in the pipe...

A sing-around sensor outputs frequency 40 Hz. Knowing that the average flow rate in the pipe is Q= 40 l/min and the pipe radius is 2cm. What would be the distance between the emitting and receiving wires?

Solutions

Expert Solution

* Let the distance between the emitting and receiving wires is L. Then the sensor output frequency would be

                                                        

Or

                                                              

Or

                                                       

Or


Related Solutions

A sensor outputs a voltage in the range of ±3mV. Your A/D samples at 1000 Hz,...
A sensor outputs a voltage in the range of ±3mV. Your A/D samples at 1000 Hz, has an input range of ±10V, and has a 12-bit resolution. Design an active filter to amplify the sensor signal to fit at least 75% of the range of the A/D and filter anything above the Nyquist frequency. Justify your assumptions and show your work.
Consider an axisymmetric pipe flow simulation. The pipe is 40 m long in axial direction and...
Consider an axisymmetric pipe flow simulation. The pipe is 40 m long in axial direction and its radius is 0.2 m. The structured mesh is used in the computational domain and it is uniformly spaced by 1000 cells in axial direction and 20 cells in radial direction. The simulation is conducted in transient and the time step size was set to 0.001 second. After running the simulation for a long time, the flow has reached a fully developed condition. The...
Find the diameter of a pipe of length ‘X’ when the rate of flow of water...
Find the diameter of a pipe of length ‘X’ when the rate of flow of water through the pipe is ‘Q’ and the head lost due to friction is ‘4X’. Take the value of C = 1 in Chezy’s formula. Illustrate the resut of diameter of pipe and also conclude the discharge value for varying cross section of pipe, and the relationship between diameter of pipe and pressure of flow.
An orifice meter is used to measure flow rate of liquid in pipe shows a pressure...
An orifice meter is used to measure flow rate of liquid in pipe shows a pressure difference of ' x ' m of water column when the flow rate is Q If flow rate is doubled then what is delta P?
A double-pipe heat exchanger is designed as an engine oil cooler. The flow rate of oil...
A double-pipe heat exchanger is designed as an engine oil cooler. The flow rate of oil is 5 kg/s, and it will be cooled from 60°C to 40°C through annulus (ID = 0.10226 m, OD = 0.1143 m). Sea water flows through the tubes (ID = 0.02664 m, OD = 0.03340 m) and is heated from 10°C to 30°C. The number of bare tubes in the annulus is 3, and the length of the hairpin is 3 m. Assume that...
(a) For a 1.25-in.-diameter pipe, what is the maximum volumetric flow rate at which water can be pumped and the flow will remain laminar?
(a) For a 1.25-in.-diameter pipe, what is the maximum volumetric flow rate at which water can be pumped and the flow will remain laminar? Express your result in the dimensions of gallons per minute. (b) What would be the maximum fl ow rate for SAE 30 oil?
A counter-flow double-pipe heat exchanger is to heat water from 20ºC to 80ºC at a rate...
A counter-flow double-pipe heat exchanger is to heat water from 20ºC to 80ºC at a rate of 1.2 kg/s. The heating is to be accomplished by geothermal water available at 160ºC at a mass flow rate of 2 kg/s. The inner tube is thin-walled, and has a diameter of 1.5 cm. If the overall heat transfer coefficient of the heat exchanger is 640 W/(m2.ºC), determine the length of the heat exchanger required to achieve the desired heating using the effectiveness-NTU...
A tire distribution centre supplies various mechanic shops around the province and sells on average 40...
A tire distribution centre supplies various mechanic shops around the province and sells on average 40 sets (4 tires to a set) of one specific tire each week. These tires are supplied by an overseas manufacturer. The following information is known about the tire sets: Weekly average tire set demand (µ) 40 Weekly tire set demand standard deviation (σt) 8 Weekly holding cost per tire set $18.00 Order cost per order $45.00 Lead time 1 weeks Working weeks per year...
A counter-flow double-pipe heat exchanger is heating water from 20 to 80 C at a rate...
A counter-flow double-pipe heat exchanger is heating water from 20 to 80 C at a rate of 1.2 kg/s. The heating is provided by water at 160 C and a rate of 2 kg/s. The inner tube has a diameter of 1.5 cm, and the U is 640 W/m2 K. Use the effectiveness-NTU method to determine the length of the heat exchanger required.
Using the flow rate of 250 gpm, select a plastic pipe diameter (2”, 4”, 6”, 8”,...
Using the flow rate of 250 gpm, select a plastic pipe diameter (2”, 4”, 6”, 8”, 10”…) & determine the approximate pump head based on the following: Minor pipe losses include 6-90 degree bends (standard) and one plug valve straightway. Document your source for your K-values. Document which calculation method you used to calculate the total pump head. To save energy, choose the largest pipe diameter that provides the recommended 2.0 fps velocity of flow. Assume nominal pipe diameters as...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT