Priority of objective period of design given minimum design index Calculator

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✖Minimum Design Index is a comparable quantity in conceptual design phase which considers Cost, Weight and Time period indices.ⓘ Minimum Design Index [DI_min]			+10% -10%
✖Weight index is the summation of all the contributors in weight configuration parameters. The weight configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).ⓘ Weight Index [WI]			+10% -10%
✖Weight Priority (%) is a factor which shows the priority of Weight factor on a percentage scale. It is oriented according to the user's definition of priorities.ⓘ Weight Priority (%) [P_w]			+10% -10%
✖Cost index is the summation of all the contributors in cost configuration parameters. The cost configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).ⓘ Cost Index [CI]			+10% -10%
✖Cost Priority (%) is a factor which shows the priority of cost objective on a percentage scale. It is oriented according to the user's definition of priorities.ⓘ Cost Priority (%) [P_c]			+10% -10%
✖Period Index is the summation of all the contributors in period configuration parameters. The Period configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).ⓘ Period Index [TI]			+10% -10%

✖Period Priority (%) is a factor which shows the priority of Time factor of on a percentage scale. It is oriented according to the user's definition of priorities.ⓘ Priority of objective period of design given minimum design index [P_t]

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Formula

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Priority of objective period of design given minimum design index

Formula

`"P"_{"t"} = (("DI"_{"min"}*100)-("WI"*"P"_{"w"})-("CI"*"P"_{"c"}))/"TI"`

Example

`"19.00002"=(("160"*100)-("50.98"*"15.1")-("1327.913"*"10.11"))/"95"`

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Priority of objective period of design given minimum design index Solution

STEP 0: Pre-Calculation Summary

Formula Used

Period Priority (%) = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Cost Index*Cost Priority (%)))/Period Index
P_t = ((DI_min*100)-(WI*P_w)-(CI*P_c))/TI
This formula uses 7 Variables

Variables Used

Period Priority (%) - Period Priority (%) is a factor which shows the priority of Time factor of on a percentage scale. It is oriented according to the user's definition of priorities.
Minimum Design Index - Minimum Design Index is a comparable quantity in conceptual design phase which considers Cost, Weight and Time period indices.
Weight Index - Weight index is the summation of all the contributors in weight configuration parameters. The weight configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).
Weight Priority (%) - Weight Priority (%) is a factor which shows the priority of Weight factor on a percentage scale. It is oriented according to the user's definition of priorities.
Cost Index - Cost index is the summation of all the contributors in cost configuration parameters. The cost configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).
Cost Priority (%) - Cost Priority (%) is a factor which shows the priority of cost objective on a percentage scale. It is oriented according to the user's definition of priorities.
Period Index - Period Index is the summation of all the contributors in period configuration parameters. The Period configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).

STEP 1: Convert Input(s) to Base Unit

Minimum Design Index: 160 --> No Conversion Required
Weight Index: 50.98 --> No Conversion Required
Weight Priority (%): 15.1 --> No Conversion Required
Cost Index: 1327.913 --> No Conversion Required
Cost Priority (%): 10.11 --> No Conversion Required
Period Index: 95 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_t = ((DI_min*100)-(WI*P_w)-(CI*P_c))/TI --> ((160*100)-(50.98*15.1)-(1327.913*10.11))/95

Evaluating ... ...

P_t = 19.0000165263158

STEP 3: Convert Result to Output's Unit

19.0000165263158 --> No Conversion Required

FINAL ANSWER

19.0000165263158 ≈ 19.00002 <-- Period Priority (%)

(Calculation completed in 00.004 seconds)

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Home » Physics » Aircraft Mechanics » Aircraft Design » Conceptual Design » Design Process » Priority of objective period of design given minimum design index

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Created by Vedant Chitte

All India Shri Shivaji Memorials Society's ,College of Engineering (AISSMS COE PUNE), Pune

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National Institute Of Technology (NIT), Hamirpur

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< 19 Design Process Calculators

Summations of priorities of objectives that need to be maximized (Millitary planes)

Go Priority Sum of objectives to be maximized (%) = Performance Priority (%)+Flight Quality Priority (%)+Scariness Priority (%)+Maintainability Priority (%)+Producibility Priority (%)+Disposability Priority (%)+Stealth Priority (%)

Thrust-to-Weight ratio given vertical velocity

Go Thrust-to-weight ratio = ((Vertical Airspeed/Aircraft Velocity)+((Dynamic Pressure/Wing Loading)*(Minimum Drag Coefficient))+((Lift Induced Drag Constant/Dynamic Pressure)*(Wing Loading)))

Priority of objective weight in design process given minimum design index

Go Weight Priority (%) = ((Minimum Design Index*100)-(Cost Index*Cost Priority (%))-(Period Index*Period Priority (%)))/Weight Index

Priority of objective cost in design process given minimum design index

Go Cost Priority (%) = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Period Index*Period Priority (%)))/Cost Index

Priority of objective period of design given minimum design index

Go Period Priority (%) = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Cost Index*Cost Priority (%)))/Period Index

Period of Design Index given Minimum Design Index

Go Period Index = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Cost Index*Cost Priority (%)))/Period Priority (%)

Weight Index given Minimum Design Index

Go Weight Index = ((Minimum Design Index*100)-(Cost Index*Cost Priority (%))-(Period Index*Period Priority (%)))/Weight Priority (%)

Cost Index given Minimum Design Index

Go Cost Index = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Period Index*Period Priority (%)))/Cost Priority (%)

Minimum design index

Go Minimum Design Index = ((Cost Index*Cost Priority (%))+(Weight Index*Weight Priority (%))+(Period Index*Period Priority (%)))/100

Battery Weight Fraction

Go Battery Weight Fraction = (Range of Aircraft/(Battery Specific Energy Capacity*3600*Efficiency*(1/[g])*Maximum Lift to Drag ratio of Aircraft))

Summation of priorities of all objectives that need to be minimized

Go Priority Sum of objectives to be minimized(%) = Cost Priority (%)+Weight Priority (%)+Period Priority (%)

Electric Power for Wind Turbine

Go Electric Power of Wind Turbine = Shaft Power*Efficiency of Generator*Efficiency of Transmission

Propulsion Net Thrust

Go Thrust force = Air Mass Flow Rate*(Velocity of Jet-Flight Velocity)

Maximum payload capability

Go Payload = Maximum take off weight-Operating empty weight-Fuel load

Induced Inflow Ratio in Hover

Go Inflow Ratio = Induced Velocity/(Rotor Radius*Angular Velocity)

Range increment of aircraft

Go Range increment of aircraft = Design range-Harmonic range

Mission fuel

Go Mission fuel = Fuel load-Reserve fuel

Reserve fuel

Go Reserve fuel = Fuel load-Mission fuel

Fuel load

Go Fuel load = Mission fuel+Reserve fuel

Priority of objective period of design given minimum design index Formula

Period Priority (%) = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Cost Index*Cost Priority (%)))/Period Index
P_t = ((DI_min*100)-(WI*P_w)-(CI*P_c))/TI

What is Design Index Concept and How to derive Priority of objective Period of Design from it?

At the start of Conceptual Design, the Designer defines Objective index which depends upon the parameters which influence the respective objective. Sum of all of the parameters contributing the objective factor on scale of 1-10 gives objective index. Now this objective index has its own priorities, in a conceptual design model the priorities are shown in percentage. Now how these factor influence the model is given by the product of the objective index and its priority (taken as a number (conversion from percentage)), it is the share of design index. And if the share of design index is subjected to the Cost, Weight and Design Time only, It is called Minimum Design Index. As they are common factors in all type of Aircrafts. The Priority of Objective Period of Design can be derived from the same as we have to modify the formula.

How to Calculate Priority of objective period of design given minimum design index?

Priority of objective period of design given minimum design index calculator uses Period Priority (%) = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Cost Index*Cost Priority (%)))/Period Index to calculate the Period Priority (%), The Priority of objective period of design given minimum design index signifies the importance placed on the duration over which the aircraft design remains relevant and effective in meeting operational requirements, this priority reflects the desire to ensure that the design achieves longevity, adaptability, and technological currency throughout its service life. Period Priority (%) is denoted by P_t symbol.

How to calculate Priority of objective period of design given minimum design index using this online calculator? To use this online calculator for Priority of objective period of design given minimum design index, enter Minimum Design Index (DI_min), Weight Index (WI), Weight Priority (%) (P_w), Cost Index (CI), Cost Priority (%) (P_c) & Period Index (TI) and hit the calculate button. Here is how the Priority of objective period of design given minimum design index calculation can be explained with given input values -> 154.4648 = ((160*100)-(50.98*15.1)-(1327.913*10.11))/95.

FAQ

What is Priority of objective period of design given minimum design index?

The Priority of objective period of design given minimum design index signifies the importance placed on the duration over which the aircraft design remains relevant and effective in meeting operational requirements, this priority reflects the desire to ensure that the design achieves longevity, adaptability, and technological currency throughout its service life and is represented as P_t = ((DI_min*100)-(WI*P_w)-(CI*P_c))/TI or Period Priority (%) = ((Minimum Design Index*100)-(Weight Index*Weight Priority (%))-(Cost Index*Cost Priority (%)))/Period Index. Minimum Design Index is a comparable quantity in conceptual design phase which considers Cost, Weight and Time period indices, Weight index is the summation of all the contributors in weight configuration parameters. The weight configuration parameters are valued on the scale of 0-10 (best=10 and worst=0), Weight Priority (%) is a factor which shows the priority of Weight factor on a percentage scale. It is oriented according to the user's definition of priorities, Cost index is the summation of all the contributors in cost configuration parameters. The cost configuration parameters are valued on the scale of 0-10 (best=10 and worst=0), Cost Priority (%) is a factor which shows the priority of cost objective on a percentage scale. It is oriented according to the user's definition of priorities & Period Index is the summation of all the contributors in period configuration parameters. The Period configuration parameters are valued on the scale of 0-10 (best=10 and worst=0).

How to calculate Priority of objective period of design given minimum design index?

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