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What are the advantages of hydraulic brake compared to wires and pulleys?
Wires stretch and sag. Hydraulic fluids transfer force with far smaller losses.
If you reduce the piping size does air pressure increase?
Assuming you mean using smaller piping in a compressed air system-- answer is no, the air pressure does not increase. In fact, the air pressure measured at the end of the line will be lower due to increased pressure drop in the smaller lines from the compressor. The air velocity in the pipes will be higher because of the reduced inside area of the lines, but the actual pressure will be lower at the exit. An air tool at the end of the line would be less powerful.
What are the possible faults that can occur to an air compressor?
Maybe if it's not working the breaker has flipped. This can be due to a whole new range of electrical issues. Also, it may be not working because it shut off due to being full of condensation water. Some will shut off when they sense they are full, some will fill until the compressor mechanically cant produce compressed air (as water (theoretically)cannot be compressed ), and some will fill until the flood the motor.Maybe the sidewall of the compressor has rusted through creating a hole, or maybe its missing a fitting. In either case the compressor can't create a store of compressed air causing it to run constantly. Since these compressor are mostly designed for intermittent use only, it will eventually wear or burn itself out.If the compressor itself has failed it will be due to issues in one of two categories; mechanical and electrical. If this is a refrigeration compressor, then the issue is most likely mechanical. If this is a smaller, more common sized reciprocating compressor such as one's often used to inflate car tires, then most likely the issue is electrical. It could still be a mechanical issue due to internals wearing out.Possible electrical problems with this type of compressor:-Loose electrical connections:-if connections are loose the voltage drops. when the voltage drops the motor draws more current through the wire the maintain motor speed causing overheating. the most cost effective fix is total replacement.-Breaker overloaded:- if the breaker which the compressor draws power from is overloaded, when everything is running, the compresser cant get enough power. just like above, the motor will work too hard and overheat.Other electrical issues provided through Google search:Stator burn: Improper or unbalanced voltage and poor motor cooling.Single Phase Burn: Loss of one phase on a three phase system.Half Part Wind Burn: Loss of supply to one winding set on a two winding motor(Part wound).Loose Connections: Loose electrical joins causing a voltage drop.Starting Components: Damaged starting capacitors and relays.Inpure Power Supply: Spikes or surges of current flow.Shorted Power Terminals: Over torquing power terminals.Mechanical issues with reciprocating compressor for refrigeration :Flood Back: Liquid refrigerant returning to the compressor during the running cycle.Flooded Start: Crank case oil diluted with liquid refrigerant due to off cycle vapour migration.Liquid Slugging: Liquid refrigerant or excess amounts of oil entering the cylinders during the running cycle.Excessive Discharge Temperatures: Higher than design superheated discharge gas temperatures.Compressor Oil Loss: Quantity of oil returning from the system is less than that leaving the compressor.Perform a Google search for other possible information or contact a professional such as a small motor technician, plumber, HVACR guy, electrician, or handyman.
Is 24 gauge thicker than 18 gauge?
Smaller number is thicker metal.
What are the pros and cons of a capillary tube in refrigeration?
Capillary tube is a very simple device and can be manufacture easily at low cost. The capillary tube can limit the maximum amount of refrigerant to be charged eliminating the need for a receiver in the refrigeration system. Another advantage is when the refrigeration plant is stopped, the pressure along the capillary tube and the entire system remains constant which means that if the compressor is restarted it does not need moreÊpower to overcome high pressure in the system. Hence, smaller compressors can be used instead of big, expensive ones. A disadvantage with capillary coil is that this system is non adjustable due to the fact that the control of the flow of pressure is dictated by the inside diameter of the tube.
What is difference between vacuum pump and centrifugal pump?
A compressor is a piece of equipment that compresses gas either to transfer to a specific location or for a certain process requirement. Compressor are manufactured depending on application and can be class into two basic types; positive-displacement and centrifugal. Integrally geared centrifugal compressors can operate at many times higher speeds than reciprocating compressors. The higher speeds ultimately result in smaller package sizes, requiring a smaller footprint as compared to a reciprocating compressor. The operating speed of a reciprocating compressor is very slow due to mechanical and dynamic limitations. Furthermore, the lower speed of reciprocating compressor lends itself to larger compressor size, heavier weight, and larger plot plan size. Whereas the centrifugal compressor with higher operating speeds results in smaller overall compressor package sizes such as smaller gearing, bearings, seals, lubrication system, and foundation. Smaller packages ultimately lend themselves to saving in lower overall installations as well as lower capital and spare parts costs. Higher reliability is fully attainable with centrifugal compressors. The rotating aerodynamic components (impellers) have no physical contact with the stationary parts (inlet shroud). On the contrary, the reciprocating compressor moving components such as the piston and valves are physically in contact with the cylinder and other stationary components during operation. The physical contact causes wear and tear of both moving and stationary components, which requires constant maintenance. However, a centrifugal compressor operates for many years with continuous service without overhaul maintenance, resulting in less power plant down time. This eliminates loss of product, provides more profit, lowers risk, and results in lower maintenance cost. Overhaul periods are more predictable by analyzing characteristic efficiency and vibration trends. A typical centrifugal compressor overhaul inspection period is more than 7 years as compared to less than 2 years for most reciprocating compressors. In addition to the economical advantages of implementing a centrifugal compressor over a reciprocating compressor, many technical advantages are also evident. The centrifugal compressor discharge pressure can be regulated to less than 0.5% per second. The well-regulated compressor discharge pressure provides very steady supply of fuel to the gas turbine. This is an advantage since it does not cause additional burden to the turbine controls. On the other hand, a reciprocating compressor at best can provide 2% or more of pulsating pressure. Unsteady supply of fuel may cause hardship on the turbine control system. A reciprocating compressor would require an impractically over-sized pulsation bottle to minimize supply pressure pulsation to the level as steady as a centrifugal compressor. Considering there is no physical contact between the centrifugal compressor aerodynamic components, the need for lubrication within the compression components is not required; thus it will not add oil or other contaminants to the process gas. However, a reciprocating compressor requires oil lubricant for the piston rings. This oil eventually ends up in the process gas or it has to be separated to protect the gas turbine. Due to physical contact between the piston rings and the cylinder, the wear of the rings and packing causes particle contamination of the fuel gas. Hence, this contamination could cause premature wear on the turbine blades and other turbine fuel gas passages
What is a centrifugal clutch and what is it used for?
Centrifugal clutches are seen most commonly in smaller motor cycles (50 cc) of the automatic type.
What is the difference between centrifugal and axial compressor?
*Axial compressors are rotating, aerofoil based compressors in which the working fluid principally flows parallel to the axis of rotation. This is in contrast with centrifugal, axi-centrifugal and mixed-flow compressors where the air may enter axially but will have a significant radial component on exit. *Axial flow compressors produce a continuous flow of compressed gas, and have the benefits of high efficiencies and large mass flow capacity, particularly in relation to their cross-section. They do, however, require several rows of aerofoils to achieve large pressure rises making them complex and expensive relative to other designs (e.g. centrifugal compressor). *Centrifugal fan/blowers are more suited to continuous-duty applications such as ventilation fans, air movers, cooling units, and other uses that require high volume with little or no pressure increase. In contrast, multi-stage reciprocating compressors often achieve discharge pressures of 8,000 to 10,000 psi (59 MPa to 69MPa). One example of an application of centrifugal compressors is their use in re-injecting natural gas back into oil fields to increase oil production. Centrifugal compressors are often used in small gas turbine engines like APUs (auxiliary power units) and smaller aircraft gas turbines. A significant reason for this is that with current technology, the equivalent flow axial compressor will be less efficient due primarily to a combination of rotor and variable stator tip-clearance losses. There are few single stage centrifugal compressors capable of pressure-ratios over 10:1, due to stress considerations which severely limit the compressor's safety, durability and life expectancy. *Compressor section location depends on the type of compressor. In the centrifugal-flow engine the compressor is between the accessory section and the combustion section; in the axial-flow engine the compressor is between the air inlet duct and the combustion section. *Centrifugal-flow compressors have the following advantages: * High pressure rise per stage. * Efficiency over wide rotational speed range. * Simplicity of manufacture with resulting low cost. * Low weight. * Low starting power requirements. They have the following disadvantages: * Large frontal area for given airflow. * Impracticality if more than two stages because of losses in turns between stages. **Axial-flow compressors have the following advantages: * High peak efficiency. * Small frontal area forgiven airflow. * Straight-through flow, allowing high ram efficiency. * Increased pressure rise due to increased number of stages with negligible losses. They have the following disadvantages: * Good efficiency over narrow rotational speed range. * Difficulty of manufacture and high cost. * Relatively high weight. * High starting power requirements (this has been partially overcome by split compressors).
What is a pancake compressor?
A pancake compressor is a small, portable air compressor used for home and commercial jobs where a smaller volume of air is needed.
What is the name of the very top pulley that you see when you open your hood on 1999 dodge Dakota sport?
The ac compressor is the larger one, the alternator is the smaller one.The ac compressor is the larger one, the alternator is the smaller one.
How is the ribosome compared with pores?
Smaller
Can ac compressor be bypassed on Nissan maxima 2000 by using a smaller belt?
yes
Are female cats generally smaller in size compared to male cats?
Yes, female cats are typically smaller in size compared to male cats.
Are MP4 files generally smaller in size compared to MOV files?
Yes, MP4 files are generally smaller in size compared to MOV files.
How much smaller is a female cheetah compared to a male cheetah?
No much smaller actually.
What color is bitumen compared to smaller hydrocarbons?
Bitumen is typically black or dark brown in color compared to smaller hydrocarbons, which are often colorless or light in color. This difference in color is due to the higher molecular weight and complexity of bitumen compared to smaller hydrocarbons.
Why are leaves smaller in the southwest compared to the Midwest?
Because there is more sunshine in the southwest as compared to the Midwest.
