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Grad rocket PDF results

Model rocket drag analysis

Introduction this nar research & development report describes a series of experiments using a computerized wind tunnel to determine the drag coefficients of typical model rocket designs. the main goal of this report is to derive a practical list of... Introduction this nar research & development report describes a series of experiments using a computerized wind tunnel to determine the drag coefficients...

drag coefficient prediction chapter 1

drag coefficient prediction chapter 1 the ideal force acting on a surface positioned perpendicular to the airflow is equal to a dynamic pressure, denoted by ' q ', times the area of that surface. dynamic pressure is one-half the square of the flow velocity times the density of the fluid. in equation form this is: 2 2 1 vqρ= where,=ρair... The existence of thrust, or lack thereof, can have a significant effect on the rocket's drag coefficient for blunt aft bodies, as in the case above.

Water rocket drag lab

Simple drag tests for water rockets a share lab project for rocket design water rocket drag lab simple drag tests for water rockets a share lab project for rocket design this lab is provided for use free of charge by seeds software. however, if... Introduction to airplane design a theme for math and science with hands-on lessons by: seeds software introduction to airplane design is a fun software...

Nose cone drag study for the ss2s rocket

Nose cone drag study for the ssts rocket nose cone drag study for the ss2s rocket background the ssts rocket has a design goal of reaching at least 100km altitude, using a low performance sugar-nitrate propellant in a single stage rocket. in... Background the ssts rocket has a design goal of reaching at least 100km altitude, using a low performance sugar-nitrate propellant in a single stage rocket.

Lowering rocket drag

... rocketry however: aerodynamic drag is the major force that small (hpr) rockets experience, gravity is almost secondary. to prove this to oneself, simply perform any rocket trajectory simulation, but switch off the atmosphere: in the absence of... Technical series lowering rocket drag rocketeers launching from sea-level live at the bottom of a dense sea of air. this trite statement has serious consequences for...

Model rocket altitude prediction charts

This report presents a relatively simple method by which aerodynamic drag effects can accurately be taken into account in the prediction of model rocket peak altitudes. with this data, altitudes can be determined for any rocket using ® preface this report presents a relatively simple method by which aerodynamic drag effects can accurately be taken into account in the prediction of model rocket...

Ud, lsi', velocity and propellant or fuel weight fraction, drag,

Proceedings national conference on engineering and technology (na<;et). 26-27 may2004. universiti malaya range optimization using trajectory shaping analysis ofa surface-launched rocket hamid rezasaeedipour and illyia mohdyusof dr., sc. of aerospace eng.. univ of science malaysia, malaysia drhaml(..ll ((ikng.usm.mv deputy dean, sc..of... Hydrocarbon parameter turbojet.qu. ue f fuel solid rocket rocket ramjet rocket scramjet rocket l/d, lift/drag 10 5 3 5 specific impulse (lsr) 3,000 sec 1300 sec...

Simplified method for estimating the flight performance of a hobby ...

Author: richard a. nakka february 2007 rev.1 march 2007 2 introduction as part of the design process for a hobby rocket, it is very useful to be able to simply and quickly estimate the expected flight performance. peak altitude, burnout velocity, burnout altitude, time to apogee, and maximum acceleration are key flight parameters. as part of... ... the following basic details of the rocket and motor: - motor total impulse - motor average thrust - propellant mass - rocket empty mass - rocket maximum diameter - rocket drag...

Rasaero users manual - 10

for rasaero user support, or to contact the rasaero authors: e-mail: crogers168{*at*}aol.com mail: rogers aeroscience p.o. box 10065 lancaster, ca 93584-0065 table of contents the rasaero aerodynamic analysis and flight simulation program 3 entering and running a rocket on rasaero 11 main input screen... The rasaero software has similar predictive accuracy for rocket drag coefficient up to mach 25. additional examples of the predictive accuracy of the rasaero...

Forces on the rocket

... between the fluid and the skin of the body. rivets on skin surface add significantly to total drag at supersonic speeds arises because of the form of the object. the general size and shape of the body is the most important factor in form drag types of drag 1. skin friction arises from the friction of the fluid against the "skin" of the object that is moving through it. skin friction arises from the...

How rockets work

20 in simple language, newton's laws of motion: first law objects at rest remain at rest and objects in motion remain in motion in a straight line unless acted upon by an unbalanced force. second law force equals mass times acceleration(or f = ma). third law for every action there is an equal and opposite reaction. before looking at each of these... Within the atmosphere, drag is an important unbalancing force. that force is virtually absent in space. a rocket traveling away from earth at a speed greater than...

rocket recovery design challenge: drag and terminal velocity

... a physical problem is translated into a mathematical statement in order to find a solution; b) relationships between physical quantities are determined using the shape of a curve passing through experimentally obtained data; c) the slope of a... Www.vast.org/vi p rocket recovery design challenge 2 ph.2 the student will investigate and understand how to analyze and interpret data. key concepts...

Project rand publication: ra-15022 - aerodynamics, gas dynamics ...

Unclassified aerodynamics, gas dynamics and heat transfer problems of a satellite rocket douglas ra-15022 february 1, 1947 unclassi fi ed aircraft declassified law e012958 by eo review team date &' - ) r; -:j-cjl r} company, == inc. this document contains information The total force on the rocket isa drag force only (no lift can be produced) having the value poav 2 where po is the free-air density.

California state science fair

Working model for model rocket altitude prediction edward ruth drruth<_at_>ix.netc om.com california state science fair working model for model rocket altitude prediction edward ruth drruth<_at_>ix.netc om.com this is a complete model of all the forces acting on a model rocket in flight. it calculates altitude, velocity, mach number, and dynamic pressure... A test case is set up for a 0.05 kg gross lift off (glo) mass rocket using an estes b5-8 motor. aerodynamic drag coefficients were obtained using the usaf...

N e w s l e t t e r

1130 elkton drive, suite a colorado springs, colorado 80907 usa www.apogeerockets.com email: orders<~at~>apogeer ockets.com phone: 719-535-9335 fax: 719-534-9050 page 1 using streamer recovery instead of parachutes using streamer recovery instead of parachutes i s s u e 1 2 8, j u l y 2 0, 2 0 0 4 n e w s l e t t e r How do you calculate the descent speed of a rocket using which would give you more drag, and thus which would fall slower? a long while back, i did some digging...

New rocket guide- 6-15-08

rocket activity foam rocket objective students will learn about rocket stability and trajectory with rubber band-powered foam description students will construct rockets made from pipe insulating foam and use them to investigate the trajectory relationship between launch angle Of the rocket in flight due to air drag.) • different kinds of fins can be constructed for the foam rocket. try creating a space shuttle orbiter or a future rocket...

Model rocketry - student name

Table of contents ld01: introduction to model rocketry …3 ld02: the model rocket …5 The direction of the thrust is normally along the longitudinal axis of the rocket through the rocket's. figure 11: model rocket drag

Bottle rocket handbook leoc. singleton iv

Ii copyrightcç 2001 leoc. singleton iv. all rights reserved. no part of this book maybe reproduced or transmitted in any form orby any means, without the prior written permission of the author. acknowledgments although icantakecredit for being the author of this handbook, much of its content is the hard work of other members, past and For example, do not add weight (#4) to a rocket to decrease drag (#5), and do not select a material that is weighs less (#4), unless it is strong (#2). 2.1 reliability...

Forces on a model rocket

Forces on a model rocket this pamphlet was developed using information for the glenn learning technologies project. for more information, visit their web site at: http://www.grc.nasa.gov/w ww/k-12/aboutltp/educatio naltechnologyapplications .html flying model rockets is a relatively inexpensive way for students to learn the basics of... The thrust of the rocket must be greater than the weight plus the drag for the rocket to continue accelerating. if the thrust becomes equal to the weight plus the drag...

How to calculate streamer size

How to calculate streamer size bill cooke hara nar #31312 when i first saw that the 2010 team america rocketry challenge involved recovering - at a minimum - the payload section containing the egg and the altimeter by streamer, i thought "holy cow! how are they going to do that?" after i got over my initial shock, i set to work trying to create a... Newtonʼs 1st law says that the drag force must equal the weight if the rocket is to fall at constant speed, so 1 2 c d aρ v 2 = w where w stands for the weight of the rocket...

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