Flight-SIM : Generic DB of single-aisle Airliner : Part 2

Previous Work Status

Missile-SIM : Performance Evaluation for Iskander / Kh-47M2 Kinzhal & ATACMS+Booster
The new topic for My page : Optimization of Supersonic aerodynamic aircraft

Flight-SIM : Trajectory & Performance Analysis for Jet Aircraft

Flight-SIM : DB Structure of the SIM
Flight-SIM : W.I.P of the SIM
Flight-SIM : Generic DB of single-aisle Airliner : Part 1 

3. Aircraft DB

 Lift and drag configuration of the generic body and wing is more opened to public [1, 2]; also I had summarized lift and drag information related to generic airliner configuration. (3. Summary CFD Workshop : 3.1.1) High fidelity data is available while generic equation is used to make single-aisle airliner aerodynamic DB. 

<WT data from reference [2]>

1) Lift - Simple formula for Wing and Fuselage

Lift of the main wing and body can easily be estimated by the formula and specification

2) Drag - Simple formula for Wing and Fuselage

Drag of the main wing and body is more complex than the lift. Composition of the drag component is shown below. Form factor(pressure), Skin-Friction, Interference, and Wave drag are added or multiplied to provide the estimated value. 

 3) Comparison - Reference Vs Formula

Because formula based generic body is not same body of the reference, there will be a difference. However, I could expect similar trend between the generic one and result from the reference. Both aircraft did not take account the tail or other effect. 

<Formula generated CL, CD curve>

<WT data from reference [2]>

 Reference
[1] https://www.scribd.com/read/282549616/General-Aviation-Aircraft-Design-Applied-Methods-and-Procedures
[2] Levy, D. W., 2001, AIAA CFD Drag Prediction Workshop Data Summary and Comparison, AIAA Drag Prediction Workshop