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the orifice headloss is higher because the change is abrupt.

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What is head loss in fluid mechanics?

Head loss in fluid mechanics refers to the reduction in fluid pressure as it flows through a system, typically due to friction with surfaces within the system or other obstructions. This reduction in pressure leads to a decrease in the total energy of the fluid. Head loss is an important consideration in designing and analyzing fluid flow systems to ensure efficient operation.


Why dielectric loss increases with temperature?

Dielectric loss increases with temperature because at higher temperatures, molecules in the dielectric material vibrate more vigorously, leading to increased collisions and energy dissipation. This increased molecular motion results in higher internal friction within the material, causing a rise in dielectric loss.


Which variable results in the greatest rate of water loss?

The variable that results in the greatest rate of water loss is typically temperature. Higher temperatures lead to increased evaporation and transpiration rates, causing more water to be lost from plants, soil, and bodies of water. Additionally, low humidity levels can also contribute to higher rates of water loss.


How do you assume the help position to reduce heat loss in coldwater?

Assuming the help position in cold water involves crossing your arms tightly against your chest and bringing your knees close to your body to minimize heat loss. Keeping your head above water will also help reduce heat loss through your head. Remember to remain as still as possible to conserve energy and body heat.


Why core loss depends on voltage?

Core loss depends on voltage because it is primarily due to hysteresis and eddy current losses in the magnetic core material. When the voltage increases, it leads to higher magnetic flux density variations within the core material, causing an increase in hysteresis and eddy current losses, thus resulting in higher core losses.

Related Questions

Would a laminar flow element a venturi a flow nozzle or an orifice plate produce the smallest total head loss?

The lowest head loss is from a venturi since it has the lowest coefficient of discharge. typical coefficients range from 0.95-0.99 where the higher coefficient is directly proportional to larger square root of Reynolds number.


What is the order of efficiency of venturi meter orifice meter and rotoameter?

The orifice plate can easily be changed to accomodate widely different flow rates, whereas the throat diameter of a venturi is fixed, so that its range of flow rates is circumscribed by the practical limits of Dp.The orifice meter has a large permanent loss of pressure because of the presence of eddies on the downstream side of the orifice-plate; the shape of the venturi meter prevents the formation OS these eddies and greatly reduces the permanent loss.The orifice is cheap and easy to install. The venturi meter is expensive, as it must be carefully proportioned and fabricated. A home made orifice is often entirely satisfactory, whereas a venturi meter is practically always purchased from an instrument dealer.On the other hand, the head lost in the orifice for the same conditions as in the venturi is many times greater. The power lost is proportionally greater, and, when an orifice is inserted in a line carrying fluid continuously over long periods of time, the cost of the power may be out of all proportion to the saving in first cost. Orifices are therefore best used for testing purposes or other cases where the power lost is not a factor, as in steam lines.However, in spite of considerations of power loss, orifices are widely used, partly because of their greater flexibility, because installing a new orifice plate with a different opening is a simpler matter. The venturi meter can not be so altered. Venturi meters are used only for permanent installations.It should be noted that for a given pipe diameter and a given diameter of orifice opening or venturi throat, the reading of the venturi meter for a given velocity is to the reading of the orifice as (0.61/0.98)2, or 1:2.58.(i.e. orifice meter will show higher manometer reading for a given velocity than venturi meter).


Tell me the main uses of venturi meter?

The discharge coefficient is near unity and Non-recoverable net head loss is very small.


What is the calibration curve of orifice meter?

The calibration curve for an orifice meter will depend on the size of the orifice, the size of the pipe and the pressure loss over the meter. Typical calibration curves have pressure (or head) loss on the vertical (y) axis and flow rate on the horizontal (x) axis.


What causes pressure loss for venturi?

Pressure loss in a venturi is typically caused by friction between the fluid flow and the venturi walls, as well as disruption and mixing of the fluid stream. This pressure loss is necessary for the venturi to create a pressure differential, which allows for measurement or control of fluid flow rate.


A power loss occurs when you apply carburetor heat because?

The flow of air in the carburetor venturi is restricted.


What happen to the Head Loss of Water if the diameter of the pipe increases?

Head loss will decrease


Can loss of consciousness lead to loss of memory?

It depends upon whether they hit their head or not. A bump to the head can cause memory loss. Another cause of memory loss is stress or anxiety.


Applications of venturimeter?

1. It is used for flow measerment with minimum head loss. 2. It is used in industries for flow measerment of chemicals. 3. it is also used in the airoplane for measurment of speed of plane.


Why uplink frequency is kept higher than downlink freqquency in satellite communication?

due to path loss : higher is the frequency higher is the patrh loss


What is coefficient of percolation?

percolation coefficeint is loss of head* loss of creep.


What is percolation coefficient?

percolation coefficeint is loss of head* loss of creep.