Smart Computing- Book ISBN- 978-81-953658-1-4

Authors:- Kanchan A. Nandeshwar, Milind Chittawar, Rajesh Deshpande

Abstract :-The topic of interest these days is finding or developing innovative ways that lead to sustainability and energy conservation. Energy conservation has become even more significant in the commercial and residential sector with rising electricity bills. With increasing commercialization in India, electricity consumption in this sector is growing rapidly at 11-12% annually.

Since the past decade, the hospitality industry is growing with a great pace worldwide, consuming a significant amount of energy with an extremely low level of energy-efficiency. Hence, a significant amount of research is being done on energy saving opportunities in hotels, for making them energy efficient. An important factor to be considered for making the hospitality industry energy efficient is to consider the energy consumed by various appliances. One such appliance is the electric tumble dryer.

Tumble dryers are common in hospitals and hotels as a complement to the washing machine. They do, however, considering a large number of units, use large amounts of electricity. The main objective of this thesis is to identify means of reducing the electricity use for the tumble-drying of clothes and to check if a heat pump retrofit is technically and economically feasible for the conventional electric dryer. Heat pump clothes dryers (HPCD) can be much more energy-efficient than conventional electric CDs but have not emerged in the Indian market yet. A heat pump system as retrofit for conventional electric clothes dryer was designed and modelled in Aspen HYSYS (v10). The HPCD system performance was analysed through its power consumption. About 51% energy consumption reduction potential was observed as compared to a typical electric CD that is currently in use at Hotel Taj, Bekal, Kerala. Aspen HYSYS ver.10 is used to design a heat pump clothes dryer capable of saving 46% of the energy used by residential clothes dryers yielding a payback period of 10.2 months

Keywords: - Clothes dryer; Heat pump dryer; Energy conservation; Energy efficiency; Energy savings, Aspen HYSYS.