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What is the difference between a long rocket fin and a short rocket fin?
A longer fin has increased aerodynamic drag. The geometric relationship between the drag caused by the fins and the center of gravity of the rocket determine the stability of the rocket in flight. Less aerodynamic drag means the rocket can go higher or farther, but it also means the rocket is less stable in flight. This tradeoff has to be considered in the design of the rocket.
What is compressor variable vane control?
Compressor variable vane control regards the ability to alter a turbine's fin geometries position ranging from open to closed positions. By mechanically and pneumatically actuating (controlling) these geometries power outputs can be operator managed.
What is the difference between induced and forced draft cooling tower?
Induced draft --- A mechanical draft tower with a fan at the discharge (at the top) which pulls air up through the tower. The fan induces hot moist air out the discharge. This produces low entering and high exiting air velocities, reducing the possibility of recirculation in which discharged air flows back into the air intake. This fan/fin arrangement is also known as draw-through. (see Image 3)Forced draft --- A mechanical draft tower with a blower type fan at the intake. The fan forces air into the tower, creating high entering and low exiting air velocities. The low exiting velocity is much more susceptible to recirculation. With the fan on the air intake, the fan is more susceptible to complications due to freezing conditions. Another disadvantage is that a forced draft design typically requires more motor horsepower than an equivalent induced draft design. The benefit of the forced draft design is its ability to work with high static pressure. Such setups can be installed in more-confined spaces and even in some indoor situations. This fan/fill geometry is also known as blow-through.
What BTU will one foot of three quarter inch fin tube baseboard hydronic heater produce with 100 degree f water entering?
Most output ranging from 560 to 600 btuh per foot, this is with 170 F water temps. I have no way to know your specifics from where I am.
What is difference between ERW and CRW Pipes?
ERW: Electric Resistance Welding tube - tubes are rolled and joined With welding - fin cut is there CRW: Cold Drawn tube - without fin cut - Draw process
What has the author A G Gomaa written?
A. G. Gomaa has written: 'Thermo-fluid characteristics of fin-and-tube heat exchangers with various fin details for air conditioning applications'
What is the beat of the song i love you California?
you'll fin it by typing in PSY gangam style on U tube
Do Indian manufacturers export fin tubes globally?
Yes, Indian manufacturers, including Timex Metals, export fin tubes globally. As a leading Fin Tube Manufacturer in India, we produce high-quality fin tubes that meet international standards. Their products are widely recognized and supplied to various industries across different countries.
I have plastic side caps on my old fin tube baseboard heaters what is this for?
Probably to reduce noise and friction during expansion and contraction.
What has the author Abdennacer Achaichia written?
Abdennacer Achaichia has written: 'The performance of louvred tube-and-plate fin heat transfer surfaces'
How many bowls of shark fin soup can you make with a shark fin?
about one fifth of one can
How many dollars is a fin?
$5
How many btu's in 4 foot hydronic baseboard heater?
You will need to give more information. The Btu's of baseboard is determined by the water temperature and the type and size of the element. Copper fin tube (copper pipe with aluminum fins over it) heats up quick and loses heat quickly it also has many diameters of element (copper tube). Most common in residential is 1/2", 3/4" & 1" ID (the OD will be 1/8" or so larger). There is also Cast iron baseboard that heats up slowly and cools off slowly (this is a much more even and comfortable heat). You should never mix and match cast iron radiation and copper radiation of the same circuit it will cause large temperature swings in conditioned area. Tell us what the boiler temperature is set to and what the type of radiation is and you'll get an answer.
How many fins does female have?
The same as males: you have the dorsal fin, caudle fin, pectoral fins, ventrals fins, and anal fin, a total of 8 (unless it is a lionhead or bubblehead and is lacking the dorsal fin)
How many fin whales are off California?
There are estimated to be 3,000 fin whales off California, Oregon and Washington.
