Adsorption gas Heat Pump fuelled with hydrogen enriched natural gas blends: the analytical simulation model development and validationMatteo Sforzini, Gianluigi Lo Basso, Romano Paiolo, Livio De Santoli and Fabrizio CumoE3S Web Conf., 197 (2020) 08002DOI: https://doi.org/10.1051/e3sconf/202019708002