Performance evaluation of a solar assisted heat pump drying system

... compressor, solar irradiation and storage volume Evaluation of a rice drying system using a solar assisted heat pump was carried out by Best et al [27] They developed a combined solar assisted- heat pump ... et al [44] studied the economic performance of a solar system, air-to-air heat pumps, and several solar- assisted heat pump systems for re...

Ngày tải lên: 28/11/2015, 13:43

... without any insulation was first used in a heat pump system by Franklin et al.[7] Hawlader et al.[4] performed analytical and experimental studies on a solar Page A SOLAR ASSISTED HEAT PUMP FOR DESALINATION ... ratio of air kg/kg Subscript a Air c Collector i Inlet o Outlet Page xxi A SOLAR ASSISTED HEAT PUMP FOR DESALINATION r Refrigerant v Vapor w W...

Ngày tải lên: 10/09/2015, 15:47

... Performer and the Hygrobac had significantly higher airway temperature and AH than did the Hygroster (Fig 5) Active Performer, regardless of the level of heating, always had a higher temperature and AH ... inspiratory flow; VT = tidal volume Statistical analysis All data are expressed as mean ± standard deviation For the in vitro study, we compared the three HMEs using a o...

Ngày tải lên: 12/08/2014, 20:20

... models and successfully adopts it for embedded RTES performance evaluation Performance Metamodel for Streaming Data Embedded Systems The foundations of the performance metamodel defined in this ... accurate performance evaluation for RTES Conclusions and Future Work This article presented an efficient method to model and evaluate streaming data embedded system performa...

Ngày tải lên: 21/06/2014, 20:20

... 18.50%   6. 51%   6. 64%   PE  0l/s   PE  10l/s   PE  20l/s   Figure 6. 19 Draft rating at neck/ear region of Infected Manikin with DV 6. 5 Key Findings The Infected Manikin keeps exhaling the tracer ... Manikin from inhaling contaminated air from the Infected Manikin sitting opposite After switching on the top-PE for infected manikin while switching off the PV for healthy manikin, a...

Ngày tải lên: 10/09/2015, 09:21

... background ventilation system on the flow pattern of the indoor air, thus influencing the concentration of exhaled contaminated air at the breathing zone of HP; it is useful to compare the iF of the ... are infected or not before the Infected Person is diagnosed and is moved to an isolation room, so the effectiveness of ventilation system in removing the exhaled infecti...

Ngày tải lên: 10/09/2015, 09:21

... trend of iF changes in Figures 8. 7 and 8. 8, a higher flow rate is required with DV to achieve the same iF The flow rate to be applied in the real healthcare settings can be chosen according to ... supply air diffusers involved in this study are all complex including two perforated openings and one four way diffuser, which has been introduced in Chapter Most frequently used...

Ngày tải lên: 10/09/2015, 09:21

... exposure is when HP is standing, facing the seated IP In the context of airborne infection control in healthcare settings, this novel PV-PE system is developed to help with the ventilation design which ... systems in terms of the localized extraction of the contaminated exhaled air from an Infected Person in healthcare settings Three scenarios were considered for thi...

Ngày tải lên: 10/09/2015, 09:21

... not independent of, but based on, previous research on PV system, local exhaust system in the field of reducing the transmission of infectious air in indoor environments, ventilation in healthcare ... control of the combined PV-PE system in conjunction with background MV or DV systems in terms of the localized extraction of the contaminated exhaled air from...

Ngày tải lên: 10/09/2015, 09:30

... uniformly maintained at 23 .5 °C Yang et (20 10) al 21 °C; 23 .5°C; 26 °C 26 °C ; 23 .5°C The use of PV with ceiling mounted ATD in conjunction with mixing ventilation at room air temperature of 26 °C will ... which will be inhaled again 2. 1.4 Study of temperature combination of PV supply air and background air According to American Society of Heating, Refrigerati...

Ngày tải lên: 10/09/2015, 09:30

... The air- conditioning systems in Indoor Environmental Chamber are shown in Figure 3. 3 Figure 3. 3 Schematic layout of Indoor Environmental Chamber and its air- conditioning system 3. 2.1.2 Breathing ... heights of 1.2 m, 0. 03 m away from the Infected Manikin’s face, as shown at the juncture of F5 in Figure 3. 18 Figure 3. 19 Set up of the DANTEC instrument 3. 3.4...

Ngày tải lên: 10/09/2015, 09:31

... Comparison of iF at different Gauge pressure of PE Figure 4. 16 Air streamlines showing exhaled air from Infected Manikin 4. 3 Pilot study II - Evaluation of different Personalized Exhaust devices ... examined the feasibility of Personalized Ventilation Personalized Exhaust (PV- PE) system and supports the idea of supplying more fresh air to a person as...

Ngày tải lên: 10/09/2015, 09:31

... Ceperly P H Gain and efficiency of a traveling wave heat engine J Acoust.Soc Am., 1982, 7(3): 1239-1243 [3] Yazaki T, Iwata A, mackawa T and Tominaga A Traveling wave thermoacoustic engine in a looped ... / F1 and FT = F1 + F2 Here, the total heat transfer surface area FT of the two heat exchangers is assumed to be a constant (3) There is a constant rate of heat...

Ngày tải lên: 05/09/2013, 16:10

... double-glazed solar cooker, Kumar [7] One of the earliest mathematical models to test the thermal performance of a Solar Cooker was presented by Garg et al [8] and Vaishya et al [9] Also, Jubran and Alsaad ... concentrating/oven type solar cooker, and the parameters that characterize the performance of the solar cooker Evaluation of solar cooker thermal perfo...

Ngày tải lên: 05/09/2013, 17:03

... Investigation on convective heat transfer and flow features of nanofluids J Heat Tran 2003, 125:151-155 Wei WC, Tsai SH, Yang SY, Kang SW: Effect of nanofluid on heat pipe thermal performance In ... thermal resistance at each heat load could be calculated by the same process The thermal resistances were averaged for all heat loads to be an averaged thermal resist...

Ngày tải lên: 20/06/2014, 22:20