1876-6102 © 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer-review under responsibility of Applied Energy Innovation Institute doi:10.1016/j.egypro.2015.07.561 Energy Procedia 75 (2015) 1172 – 1177 ScienceDirect The 7 th International Confe Limiting the effect of am turbines(MGTs) performan techniques: an experimenta direc Gabriele Comodi a *, Massimiliano R a Dipartimento di Ingegneria industriale e scienze b Libera Università di Bolzano, Facoltà di Sc Abstract This paper describes a test bench that has bee techniques on the improvement of the perform two inlet air cooling techniques were tested: experimental analysis show that with the fo between 4% and 11% referred to the machine of the ambient air humidity. During the test augmentation up to 8% referred to the mac electric efficiency gain showed a peak of 1.5% © 2015 The Authors.Published by Elsevier Ltd. Selection and/or peer-review under responsibility o Keywords: micro gas turbines; fogging; inlet air cooling; Introduction A significant limitation on the application of m strong dependence of their performance, nam ambient conditions. This characteristic, as f potential of these machines which are normal The specific problem was already investigate bench to evaluate the cogeneration performa networks (ANNs) methodology [4] as well a conditions on the output of the machine. Air p * Corresponding author. Tel.: +39 071 220 4761; fax: E-mail address: g.comodi@univpm.it. erence on Applied Energy – ICAE2015 mbient temperature on micro gas nce through inlet air cooling(IAC) al comparison between fogging and ct expansion Renzi b , Flavio Caresana a , Leonardo Pelagalli a e matematiche (DIISM), via Brecce Bianche, 60131 Ancona, Italy cienze e Tecnologie, piazza Università, 539100 Bolzano, Italy en designed to evaluate the effect of inlet air cooling (IAC) mance of a 100 kWe micro gas turbine (MGT). In particular, : the fogging and the direct expansion. The results of the gging technology the electric power augmentation ranges e’s ISO condition output depending on the initial conditions ts with direct expansion technology, a net electric power chine’s ISO condition output was registered; also the net %. f ICAE direct expansion; micro gas turbines (MGTs), especially in hot climates, is the mely the electric output and the electric efficiency, on the for larger gas turbines, does not allow to exploit the full ly rated in ISO conditions (15°C, 101.3 kPa, 60% RH) [1]. ed by the authors of this paper: we designed a specific test ance of MGTs [2, 3] and we adopted the artificial neural as analytical models [5] to quantify the effect of ambient pressure and relative humidity do not affect significantly the +39 071 220 4770. Available online at www.sciencedirect.com © 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer-review under responsibility of Applied Energy Innovation Institute