A guideline to link the off-design performance of a micro-gas turbine to a heavy-duty gas turbine in a test rig that aim to investigate flexibility of GTCCTommaso Reboli, Iacopo Rossi, Alberto Traverso and Giorgio TorelliE3S Web Conf., 238 (2021) 05003DOI: https://doi.org/10.1051/e3sconf/202123805003