Five star hotel in Nablus

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Presentation transcript:

AN-NAJAH NATIONAL UNIVERSITY FACULTY OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING

Five star hotel in Nablus Students name : Fadi ghssan foqha. Tareq Mousa. Ayman abo alshwareb. Motaz ‘abed . Supervisor: Dr :ahmed al ramahe Five star hotel in Nablus

Five star hotel in Nablus MECHANICAL SYSTEMS IN BUILDINGS Five star hotel in Nablus Five star hotel in Nablus

Five star hotel in Nablus The aim of this project is to design the Following Mechanical Systems to five star hotel in Nablus: Heating Ventilation and air conditioning (HVAC). Plumping system (Sanitary drainage system& potable water system). Fire Fighting system. choosing elevators for the hotel. Five star hotel in Nablus

Five star hotel in Nablus Note : We discus the Plumping system (Sanitary drainage system and potable water system) in project 1 . Five star hotel in Nablus

Five star hotel in Nablus HVAC System The main objective of air conditioning is to maintain the environment in enclosed space at conditions that induce the feeling of comfort to human. Five star hotel in Nablus

WINTER INSIDE AND OUTSIDE DESIGN CONDITIONS Five star hotel in Nablus Outside temperature To=4.7 ˚C. Inside temperature Ti=21 ˚C. Outside Relative humidity Фo=72% . Inside Relative humidity Фi=50%. Outside Moisture content Wo =8.4 g of water/ Kg of dry air. Inside Moisture content Wi =4 g of water/ Kg of dry air. temperature for the unconditioned spaces Tun=13.35 ˚C. Temperature for the ground Tg=12 ˚C. Five star hotel in Nablus

Five star hotel in Nablus HEATING LOAD EQUATIONS: Qs,cond = U A (Tin – To) . Q S,vent = 1.2 Vvent (Tin – To). Q L,vent = 3 Vvent (Wi- W o). Qtotal = Qs,cond + Qs,vent +QL,vent. Five star hotel in Nablus

Five star hotel in Nablus HEATING LOAD RESULTS: Floor Q)total .(w) Q)total .(kw) Q)total .(ton) Under ground 145986.66 145.987 41.73 Ground 118910.3 118.91 33.97 First 129917.3 129.91 identical Floor)9 )Floor 141972.25 141.97 40.564 Five star hotel in Nablus

The boiler is the main source of heating process, selection of boiler depends on its capacity. selection of boilers from Mansur company. The total amount of heat in our project equal to 2508.8 KW. Use catalog then the selected boiler according to catalog is MS30 found in the under ground floor in mechanical room . Where: H=2.45 m, D=2.05m ,L=3.38m, I=2.98m

SUMMER INSIDE AND OUTSIDE DESIGN CONDITIONS Outside temperature (To) be 30˚C. Inside temperature (Ti) be 24 ˚C. Outside Relative humidity (Фo) is 44%. Inside Relative humidity (Фi) is 50%. Outside Moisture content (Wo) is 12.5 g of water/ Kg of dry air. Inside Moisture content (Wi) is 9.4 g of water/ Kg of dry air temperature for the unconditioned spaces Tun=28˚C. Temperature for the ground Tg=26 ˚C.

COOLING LOAD EQUATIONS Qs = U × A × CLTD corr. For Wall And Ceiling. CLTD corr = ( CLTD + LM ) K +( Tin -25.5 ) + ( To – 29.4 ). Qs) conduction)glass = A × SHG × SC × CLF . For glass. Qs) convection)glass = U × A × ( CLTD ) correction. Qs)ven = 1.2 × A × ( To – T in ) . Q latent)ven = 3 × A ×( W o –W in ). Qs) people = sensible heat gain/person × number of person × CLF Ql) people = number of person × latent heat gain/person Qs) lighting = watt/m2 × CLF × Area Qs) equipment = qs * CLF Ql) equipment = ql Ventilation people

COOLING LOAD RESULTS Floor. No Q(Total) (Kw) (Ton) Under ground floor 146.08336 41.738 Ground 231 66 second Floor 434 124 Identical Floor)9 )Floor 276.5 79

The Chiller Code is: WPS a 960 3 S The chiller is the main source of cooling process, our selection depends on PETRA COMPANY. The cooling load in our project is 942.74 Ton. . So we select 960 ton R 134-a chiller it's manufactured with three compressors and with the same compressors type. The Chiller Code is: WPS a 960 3 S

DUCT DESIGN There are two methods for duct design : Equal pressure drop method. Velocity method. All the results of duct design based on equal pressure drop method .

PIPES DESIGN The total cooling load was calculated for the floor. The mass flow rate for the water calculated (m). The pressure head was estimated in (Kpa) . The longest loop from the boiler to the farthest fan coil unit and return to the boiler was calculated multiplying by (1.5) due to fittings. The pressure head per unit length is calculated and it should be between range from (200< ∆p/L<550). Then the diameter of pipe entering to the floor is estimated .

AIR HANDLING UNIT SELECTION The Air Handling Units were selected from PETRA COMPANY using PETRA catalogue: The ahu in this project are choosing according to the above code as in the following table:

Underground floor Name Load(WATT) CFM module number #1 21441 4100 PAH HC 50 C 6 H2 X2 # 2 17105 3020 PAH HC 30 C 6 H2 X2 #3 20242 3574.4 PAH HC 40 C 6 H2 X2 # 4 17715 1611.17 PAH HC 24 C 6 H2 X2 # 5 9124.1 3128.2 PAH HC 32 C 6 H2 X2 #6 9857 1740.6 GROUND FLOOR 1 119000 21013.4 PAH HC 250 C 6 H2 X2 SECOND FLOOR 2 161000 28430 PAH HC 320 C 6 H 2X2 3 98000 17305 PAH HC 200 C 6 H 2X2 4 42000 7417 PAH HC 80 C 6 H 2X2 IDENTICAL FLOORS 73500 1298.9 PAH HC 150 C 6 H 2X2

FAN COIL UNIT SELECTION In Our project we need Ducted FCU and to ensure the high level of comfort we need the filtered FCU our selection from Petra catalogs is CBP type. The FCU in this project are choosing according to the above code as in the following table(for the identical floors): Identical floor FCU Application Q TOTAL (KW) # 0f FCU Model # of FCU Bed room 7 29 RAC 12 CBP H/C 3

Pump selection: Our selection for pump depends on Evrot company For the building the selection of pumps were been as the following: Pumps for HVAC system for chiller and boiler FCE-FCS series: 65-1602/220 [Qb= 1134L/min, H= 95 m]. [Qchiller=1558.7L/min, H=67.5m] .

Fire Fighting system: We use in this project type of Wet Pipe System because wet standpipes may be used by building occupants may fight fires quickly. We used both of landing valve and cabins , and use ( NFPA) Code to be followed through designing . Main pipe passes with water flow of up to 500 gpm. And (4”) the main sizing pipe . Designed for landing valve and cabinet ,the designing on the farthest landing valve ,Is the supply line leading to it take ( 250gpm) and the Pipe leading to it were (2.5’’). The cabinet branch pipe (1.5”) , the flow rate (100gpm).

Pump selection: For our project firefighting pump was selected as a flow rate = 150m3/h, head= 14PSI, the model no. is from A-C Fire Pump Systems and pump series is 2000 model 4x3x9f.

ELEVATORS: Elevators Type in hotel is Geared-traction elevator. the speed is 450 feet per minute Gearless-traction The size of elevators in hotel is 6 feet8 inches wide by 5 feet5 inches deep; 3,500 pounds .