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Gas Turbine Brayton Cycle Thermal Efficiency & Optimum Pressure Ratio Calculator

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

Calculated Result
53.88 %

Thermal Efficiency (eta_th)

Thermal Efficiency (eta_th)

53.88 %

Specific Work Output Kj Per Kg

570.4

Turbine Exhaust Temperature C

500.7

Optimum Pressure Ratio For Max Work

22.2

53.88 — %

Calculation Breakdown

  1. Applied FormulaEvaluates real open-cycle gas turbine Brayton efficiency, compressor and turbine isentropic efficiencies, optimum pressure ratio, and specific power (kJ/kg).\eta_{\text{th}} = \frac{W_{\text{turb}} - W_{\text{comp}}}{Q_{\text{in}}}, \quad r_{p,\text{opt}} = \left(\frac{T_3}{T_1}\right)^{\frac{\gamma}{2(\gamma-1)}}

Gas Turbine Brayton Efficiency Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.013274054Thermal Efficiency (eta_th)

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

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

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

Evaluates real open-cycle gas turbine Brayton efficiency, compressor and turbine isentropic efficiencies, optimum pressure ratio, and specific power (kJ/kg).

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

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

ηth=Wturb−WcompQin,rp,opt=(T3T1)γ2(γ−1)\eta_{\text{th}} = \frac{W_{\text{turb}} - W_{\text{comp}}}{Q_{\text{in}}}, \quad r_{p,\text{opt}} = \left(\frac{T_3}{T_1}\right)^{\frac{\gamma}{2(\gamma-1)}}

Evaluates real open-cycle gas turbine Brayton efficiency, compressor and turbine isentropic efficiencies, optimum pressure ratio, and specific power (kJ/kg).

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

Input Values:

compressorPressureRatio:24
turbineInletTempC:1420
ambientInletTempC:15
compressorIsentropicEfficiencyPct:88
turbineIsentropicEfficiencyPct:91
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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