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Combined Cycle (CCGT) HRSG Steam Bottoming Efficiency Calculator

Easily calculate and compute combined cycle (ccgt) hrsg steam bottoming efficiency calculator with accurate equations, live formulas, and expert guidance.

Simple cycle gas turbine net electrical efficiency.

Rankine steam turbine electrical generation efficiency.

Fraction of gas turbine exhaust waste heat absorbed by HRSG.

Calculated Result
57.99 %

Overall CCGT Plant Efficiency

Overall CCGT Plant Efficiency

57.99 %

Overall Ccgt Efficiency Pct

57.99300000000001

Gt Efficiency Pct

40.5

Steam Cycle Bottoming Efficiency Pct

35

Hrsg Heat Recovery Fraction Pct

84

57.99 — %

Calculation Breakdown

  1. Applied FormulaModels heat recovery steam generator (HRSG) recovery of gas turbine flue gas thermal energy to drive a Rankine steam turbine bottoming cycle.\eta_{cc} = \eta_{gt} + \eta_{st} (1 - \eta_{gt})

CCGT Combined Cycle Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.014294358Overall CCGT Plant Efficiency

What Is the Combined Cycle (CCGT) HRSG Steam Bottoming Efficiency Calculator?

This tool computes combined cycle (ccgt) hrsg steam bottoming efficiency calculator with high precision arithmetic.

How Does the Combined Cycle (CCGT) HRSG Steam Bottoming Efficiency Calculator Work?

Models heat recovery steam generator (HRSG) recovery of gas turbine flue gas thermal energy to drive a Rankine steam turbine bottoming cycle.

Combined Cycle (CCGT) HRSG Steam Bottoming Efficiency Calculator Formula & Variables

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

ηcc=ηgt+ηst(1−ηgt)\eta_{cc} = \eta_{gt} + \eta_{st} (1 - \eta_{gt})

Models heat recovery steam generator (HRSG) recovery of gas turbine flue gas thermal energy to drive a Rankine steam turbine bottoming cycle.

How to Use the Combined Cycle (CCGT) HRSG Steam Bottoming Efficiency Calculator

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

Step-by-Step Example Calculation

Combined Cycle (CCGT) HRSG Steam Bottoming Efficiency Calculator Example

Input Values:

gtEfficiencyPct:40.5
steamCycleBottomingEfficiencyPct:35
hrsgHeatRecoveryFractionPct:84
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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