|
View: |
Part 1: Document Description
|
|
Citation |
|
|---|---|
|
Title: |
Numerical and Analytical Takeoff Field Length Calculations for Jet Aircraft |
|
Identification Number: |
doi:10.7910/DVN/QX3MAH |
|
Distributor: |
Harvard Dataverse |
|
Date of Distribution: |
2023-04-02 |
|
Version: |
1 |
|
Bibliographic Citation: |
Lucht, Dennis, 2023, "Numerical and Analytical Takeoff Field Length Calculations for Jet Aircraft", https://doi.org/10.7910/DVN/QX3MAH, Harvard Dataverse, V1 |
|
Citation |
|
|
Title: |
Numerical and Analytical Takeoff Field Length Calculations for Jet Aircraft |
|
Alternative Title: |
Links to all related documents: |
|
Identification Number: |
doi:10.7910/DVN/QX3MAH |
|
Authoring Entity: |
Lucht, Dennis (Hamburg University of Applied Science) |
|
Other identifications and acknowledgements: |
Scholz, Dieter |
|
Date of Production: |
2022-06-15 |
|
Software used in Production: |
Excel / MATLAB |
|
Distributor: |
Harvard Dataverse |
|
Access Authority: |
Scholz, Dieter |
|
Depositor: |
Scholz, Dieter |
|
Date of Deposit: |
2022-06-15 |
|
Series Name: |
Digital Library - Projects and Theses - Prof. Dr. Scholz |
|
Holdings Information: |
https://doi.org/10.7910/DVN/QX3MAH |
|
Study Scope |
|
|
Keywords: |
Engineering, Luftfahrt, Aeronautics |
|
Topic Classification: |
Aerospace |
|
Abstract: |
Purpose - The greater of two distances (Balanced Field Length or Takeoff Distance +15%) results in the Takeoff Field Length (TOFL). The TOFL is a takeoff distance with safety margins according to Certification Standards for Large Aeroplanes by EASA (CS-25) and FAA (FAR Part 25). Simple analytical approximations for the TOFL are checked against more demanding numerical simulations to determine the validity of the simple solutions and to implement adjustments for them as necessary. --- Methodology - The differential equation of the aircraft's acceleration is solved in MATLAB together with varying engine failure speeds. Analytical calculations of the Balanced Field Length by Torenbeek, Kundu, and Loftin are investigated. This includes the evaluation of statistical data. --- Findings - Analytical approximations deviate by 0.1% to 28.2% from the numerical solution. The most accurate analytical approximation is the simple method proposed by Loftin based on statistics. It shows deviations of less than 5.4%. The results confirm that the TOFL for jets with four engines is determined by the Takeoff Distance +15%, while for jets with two engines, the Balanced Field Length is decisive for TOFL. --- Research limitations - Simplifying assumptions had to be made e.g. regarding rotation time and speed, flap geometry, and asymmetric drag. While ground distances were solved numerically from acceleration and deceleration, air distance and rotation distance had to be determined analytically. --- Practical implications - A reliable and tested analytical procedure is useful for quick aircraft performance estimates and to include an inverse TOFL method into aircraft preliminary sizing. --- Originality - This seems to be the first report to provide a systematic check of available analytical approximations for the TOFL in comparison with a numerical solution. |
|
Kind of Data: |
Program and Data |
|
Methodology and Processing |
|
|
Sources Statement |
|
|
Data Access |
|
|
Notes: |
This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, License Version 3. The software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details: http://www.gnu.org/licenses/gpl.html |
|
Other Study Description Materials |
|
|
Related Publications |
|
|
Citation |
|
|
Bibliographic Citation: |
Lucht, Dennis, 2022. Numerical and Analytical Takeoff Field Length Calculations for Jet Aircraft. Bachelor Thesis. Hamburg University of Applied Sciences, Aircraft Design and Systems Group (AERO). Available from: |
|
Label: |
a0_TOFL_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
a0_TOFL_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
a1_GroundRollDistance_AEO_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
a1_GroundRollDistance_AEO_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
a1_ground_run_Euler_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
a1_ground_run_Euler_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
braking_Plot_without_AFM_buffer_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
CD_Asym_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
CDasym_A320_range.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
CD_Asym_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
CDasym_A340_range.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
CLapha_Plot_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
Copy_of_f_Stop_AFM_AM_25_42.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_AirDistance_AEO_analytical.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_AirDistance_AEO.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_AirDistance_OEI.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_convert_CAS_2_TAS.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_convert_CAS_2_TAS.m |
|
Notes: |
text/x-matlab |
|
Label: |
F_function_of_H.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
f_GroundRollDistance_AEO.asv |
|
Notes: |
application/octet-stream |
|
Label: |
f_GroundRollDistance_AEO.asv |
|
Notes: |
application/octet-stream |
|
Label: |
f_GroundRollDistance_AEO.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_GroundRollDistance_AEO.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_GroundRollDistance_OEI.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_GroundRollDistance_OEI.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_speedConvertion.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop_AFM_AM_25_42.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop_AFM_AM_25_92.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop_AM_25_42.asv |
|
Notes: |
application/octet-stream |
|
Label: |
f_Stop_AM_25_42.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop_AM_25_42.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop_AM_25_92.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop_AM_25_92.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_Stop.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_v1.m |
|
Notes: |
text/x-matlab |
|
Label: |
f_v1.m |
|
Notes: |
text/x-matlab |
|
Label: |
GroundRollDistance_AEO_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
GroundRollDistance_AEO_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
GroundRollDistance_OEI.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
ground_run_Euler_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
ground_run_Euler_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
.MATLABDriveTag |
|
Notes: |
application/octet-stream |
|
Label: |
.MATLABDriveTag |
|
Notes: |
application/octet-stream |
|
Label: |
.MATLABDriveTag |
|
Notes: |
application/octet-stream |
|
Label: |
Results_Thesis_Final.xlsx |
|
Notes: |
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
|
Label: |
sBFL_statistical_evaluation_thesis.xlsx |
|
Notes: |
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
|
Label: |
speedconvert_plots.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
StartStop_OEI_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
StartStop_OEI_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
Stop_AFM_buffer_Plot_A320.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
Stop_AFM_buffer_Plot_A340.mlx |
|
Notes: |
application/octet-stream |
|
Label: |
TOFL_analytical.xlsx |
|
Notes: |
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
|
Label: |
TOFL_Lofin_2.0.xlsx |
|
Notes: |
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |