Fatehi, M. Masoumi, A. A., Sadeghi, M. and Yousefi, M. 2023. The impact of the drying process on the characteristics of rose petals is investigated using a heat pump-equipped dryer. 15th National and 1st International Congress on Mechanics of Biosystems Engineering and Agricultural Mechanization, 20-22 September, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.