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Gas Turbine Brayton Cycle Thermal Efficiency & Pressure Ratio Calculator

Easily calculate and compute gas turbine brayton cycle thermal efficiency & pressure ratio calculator with accurate equations, live formulas, and expert guidance.

Compressor discharge to inlet total pressure ratio P3/P2.

Ratio of specific heats (1.40 for ambient air).

Firing temperature entering high-pressure turbine.

Compressor face air temperature (ISO 15°C = 288.15 K).

Calculated Result
62.2 %

Brayton Thermal Efficiency

Brayton Thermal Efficiency

62.2 %

Ideal Brayton Thermal Efficiency Percent

62.2

Compressor Discharge Temp Kelvin

761.5

Compressor Discharge Temp Deg C

488.3

Carnot Theoretical Ceiling Percent

82.5

62.2 — %

Calculation Breakdown

  1. Applied FormulaComputes ideal thermodynamic cycle thermal efficiency, compressor discharge temperature, and Carnot limits for aeroderivative and heavy-frame industrial gas turbines.\eta = 1 - r_p^{-(\gamma-1)/\gamma}

Brayton Cycle Efficiency Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.016314762Brayton Thermal Efficiency

What Is the Gas Turbine Brayton Cycle Thermal Efficiency & Pressure Ratio Calculator?

This tool computes gas turbine brayton cycle thermal efficiency & pressure ratio calculator with high precision arithmetic.

How Does the Gas Turbine Brayton Cycle Thermal Efficiency & Pressure Ratio Calculator Work?

Computes ideal thermodynamic cycle thermal efficiency, compressor discharge temperature, and Carnot limits for aeroderivative and heavy-frame industrial gas turbines.

Gas Turbine Brayton Cycle Thermal Efficiency & Pressure Ratio Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

η=1−rp−(γ−1)/γ\eta = 1 - r_p^{-(\gamma-1)/\gamma}

Computes ideal thermodynamic cycle thermal efficiency, compressor discharge temperature, and Carnot limits for aeroderivative and heavy-frame industrial gas turbines.

How to Use the Gas Turbine Brayton Cycle Thermal Efficiency & Pressure Ratio Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Gas Turbine Brayton Cycle Thermal Efficiency & Pressure Ratio Calculator Example

Input Values:

compressorPressureRatioRp:30.0
ratioOfSpecificHeatsGamma:1.40
turbineInletTemperatureKelvin:1650.0
ambientInletTemperatureKelvin:288.15
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required %.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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