Fungus gnats are small, dark, short-lived gnats, of the families Sciaridae, Diadocidiidae, Ditomyiidae, Keroplatidae, Bolitophilidae, and Mycetophilidae (order Diptera); they are sometimes placed in the superfamily Mycetophiloidea. The larvae feed on plant roots and fungi, helping in the decomposition of organic matter.
In each of these situations, you experienced the work of the three types of heat transfer: conduction, convection, and radiation. Conduction, or direct heat, occurs when the faster moving molecules of the fire collide with the cooler molecules of the marshmallow, causing them to move faster and become hot.
Heat Transfer. To start off, letâs discuss what heat transfer is. Heat transferring is the process of applying an ink-based design (usually one printed on a sheet of special transfer paper) to the product to be decorated (usually a t-shirt) with a heat press machine. As the name implies, a heat press works by using heat and pressure to apply the design to garment.