Table of Contents
The nozzle is the most important part – it directs the flow of the hot gases!.
Why is the nozzle of the rocket so important in October Sky?
The nozzle design was a significant feature that influenced speed and required both calculations and trial-and-error to attain. The crucial factor was the diameter of the hole in the bottom. If it was too small, the rocket would blow up; if it was too big, the rocket would not lift off at all.
Why is the nozzle of a rocket important?
The nozzle is an important part of any rocket motor: it converts high pressure and high temperature(with slow net velocity) inside the combustion chamber into a high velocity, but low pressure. The nozzle helps align the movement of the molecules to the same direction.
What is the name of the special type of nozzle required for the rocket in October Sky?
Auk 1 flies six feet before the solder melts, and the nozzle, a washer, separates from the casement. They call themselves “Rocket Boys” and call the place where they are launching their rockets “Cape Coalwood”, in honor of Cape Canaveral.
How did the nozzle work on Homer’s rockets?
The nozzle controls the flow of hot gases out of the back of the rocket. The boys name their rockets “Auk” – what is an ‘auk’? An ‘auk’ is a bird. Why did Homer quit school to work in the mines?.
What really started the fire in October Sky?
Miss Riley figures out that what caused the fire in the forest was an airplane flare from the neighboring airport.
What is an auk in October Sky?
In October Sky, ‘Auk’ is the name that the ‘Rocket Boys’ give their rockets. The first rocket built by Homer Hickam, Jr.
What is the use of nozzle?
A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid (liquid or gas). Nozzles are frequently used to control the rate of flow, speed, direction, mass, shape, and/or the pressure of the stream that emerges from them.
What is nozzle theory?
A nozzle is a mechanical device that control the characteristics of a flow, as it exits from a chamber into a receiving medium. A nozzle is generally a duct or a pipe (rectilinear or curvilinear) with. varying sections.
Why does a rocket nozzle have a narrow throat?
The smaller throat area produces much less mass flow of combustion products, and so, a convergent/divergent nozzle allows a much more efficient use of combustion gas mass flow, in order to allow atmospheric pressure to act on the exit plane of the nozzle.
Who is Homer’s hero in October Sky?
Some may also question the movie’s hero-worshiping treatment of Homer’s role model, Werner von Braun, who’s depicted as an all-American icon with no acknowledgment of his earlier career in Nazi Germany.
What happened to the teacher in October Sky?
Riley, the teacher who inspired the Rocket Boys and is depicted in the film October Sky. Miss Riley died of Hodgkin’s disease at the age of 31.
Why is it called October Sky?
Title. October Sky is an anagram of Rocket Boys, the title of the 1998 memoir upon which the film is based. It is also used in a period radio broadcast describing Sputnik 1 as it crossed the “October Sky”.
Who wins the science fair in October Sky?
Lesson Summary Sonny makes it to the national science fair in Indianapolis in Chapter 25 of October Sky. Despite having to replace his stolen equipment, he ends up winning the gold medal in the newly created ”propulsion” category his new friend Tex helps make possible. He ends up giving the medal to Miss Riley.
What happened to Homer’s first rocket in October Sky?
Answer: Homer When Homer and Quentin went out to find the missing rocket, he missed work, and his father confronted him later that day, telling him that he would have to work the “night owl” shift. And that was when Homer said, “Coal mining is your life, not mine.
Who is Homer’s inspiration for building rockets?
Inspired by Werner von Braun and his Cape Canaveral team, 14-year-old Homer Hickam decided in 1957 to build his own rockets.
What happened to the characters in October Sky?
All the BCMA members end up in college, something Hickam tells us was ”not likely in pre-Sputnik West Virginia. ” Sonny’s best friend Roy Lee becomes a banker, while O’Dell spends his life working in insurance and farming. Like Sonny, the remaining members (Quentin, Billy, and Sherman) all became engineers.
Was October Sky a true story?
The true story of Homer Hickam, a coal miner’s son who was inspired by the first Sputnik launch to take up rocketry against his father’s wishes.
Who is Roy Lee in October Sky?
Roy Lee is Sonny’s best friend in October Sky. After his father’s death in the mines, he is able to get a car from the insurance settlement. A good-looking guy, Roy Lee is into girls and is something of a ladies’ man who encourages his friend to date more.
How old is Homer Hickam Jr?
78 years (February 19, 1943).
What is nozzle effect?
This occurs because when air is flowing through the diverging section of the nozzle, there is an increase in kinetic energy at the expense of an enthalpy drop due to gas expansion. The purpose of using a nozzle is to accelerate the flow to achieve critical or sonic conditions (i.e., choked flow) at its throat.
What is general purpose nozzle?
A spray nozzle is a device which makes use of the pressure energy of a liquid to increase its speed through an orifice and break it into drops. The liquid flow delivered as a function of the nozzle feed pressure. The opening angle of the produced spray.
What happens in a nozzle?
The pressure drops in a convergent nozzle because of the Bernoulli Principle. A nozzle is a spout on the end of a hose or pipe used to control the movement of a fluid like water or air. In this case, the energy that causes pressure is converted to another type of energy, so both pressure and area decrease.
