Effects of roof angle, inlet gap size and dryer height on temperature and relative humidity in a chimney-dependent solar crop dryerAnthony Agyei-Agyemang, George Yaw Obeng, John Kwasi Afriyie and Benjamin Atribawuni AsaagaRenew. Energy Environ. Sustain., 7 (2022) 18DOI: https://doi.org/10.1051/rees/2022006