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N T E S

Narai Thermal Engineering Services

Information !

NTES programs are made in EXCEL 2003.

Run time may be somewhat longer in EXCEL 2007 or over.

The programs can be used for reference or referred to for developing programs.

It is recommended that the programs shall not be applied to project works.

All responsibilities due to use of the programs are on users.

Data Flies * These files should be opened before most programs.		1st Upload	Updated
fluidproperties	Fluid properties are inputed.	2015. 10. 20.	2020. 1. 10.
materials ASTM	Allowable Stress Values of ASTM Materials	2015. 10. 20.	2020. 1. 10.
materials JIS	Allowable Stress Values of JIS Materials	2015. 10. 20.
materials KS	Allowable Stress Values of KS Materials	2015. 10. 20.
materials standard	Data of Pipe, Saddle, Beam ......	2015. 10. 20.	2020. 1. 10.
materials common	Data of S.G., Index for Material Properties, Flange ......	2015. 10. 20.	2020. 1. 10.
combustion data	Combustion Constants for Combustion Calculation	2015. 10. 20.
estimate MC	Material Cost	2016. 5. 11.
estimate PC	Process Cost	2016. 5. 11.
estimate FC	Fabrication Cost	2016. 5. 11.

BASIC		1st Upload	Updated
steam table IAPWS-IF97	calculates Water and Steam Properties.	2015. 10. 20.
VBA functions	shows application of Comboboxes and VBA by NTES.	2015. 10. 20.
psychrometrics basic	deals with thermodynamic properties of moist air.	2015. 10. 20.	2016. 3. 10.
psychrometrics process	calculates processes with moist air.	2016. 3. 10.
white smoke prevention	shows prevention methods with calculations.	2016. 3. 10.
FP gas mixture	calculates fluid properties of gas mixture.	2015. 10. 20.
cal. dew point	calculates dew points of a gas mixture.	2015. 10. 20.
cal. DO	calculates Dissolved Oxygen concentration.	2015. 11. 06.

VESSEL		1st Upload	Updated
cal. properties vessel	calculates vessel properties.	2015. 10. 20.
cal. retention time VSL	calculates volume and retention time.	2015. 10. 20.
cal. Thermal Exp. PV	calculates Thermal Expansion.	2015. 10. 20.
data sheet VSL H	produces Data Sheet for Horizontal Pressure Vessel	2019. 5. 1.	2020. 1. 10.
data sheet VSL V	produces Data Sheet for Vertical Pressure Vessel	2019. 5. 1.	2020. 1. 10.
data sheet Tank Rect.	produces Data Sheet for Rectangular Tank	2019. 5. 1.
data sheet Tank V	produces Data Sheet for Vertical Cylindrical Tank	2019. 5. 1.
TC VSL insu	Thermal Calculation for Insulation.	2015. 10. 20.
EST PV	Cost Estimation of Pressure Vessels	2016. 5. 11.

HEAT EXCHANEGR		1st Upload	Updated
TD HE S&T	Thermal Design of Shell & Tube Type Heat Exchangers	2015. 10. 20.	2020. 1. 10.
TD HE THE	Thermal Design of Tubular Type Heat Exchangers	***	2020. 1. 10.
cal. U-tube	calculates U-tube length for a U-tube type S&T H/E.	2015. 10. 20.
cal. Thermal Exp. HE	calculates Thermal Expansion.	2015. 10. 20.
TD Deaerator H&MB	Heat & Mass Balance for Deaerator	2016. 2. 20.
EST HE S&T	Cost Estimation of S&T type H/E	2016. 5. 11.
calculation HTA	calculates Heat Transfer Area of Finned Tube.	***	2020. 1. 10

Loading Data		1st Upload	Updated
LD VSL & HE	produces Loading Data for a vessel or a S&T type H/E.	2015. 10. 20.
LD Leg	produces Loading Data for a vessel of vertical, leg type.	2015. 10. 20.
LD Stack 1 dia	...... for a stack of single diameter.	2015. 10. 20.

Mechanical Design		1st Upload	Updated
Nozzle Load allowable	calculates Allowable Nozzle Load.	2015. 10. 20.
MD PV ASME Sec. VIII	Strength Cal. acc. to ASME Sec. VIII Div. 1. for a Vessel	2015. 10. 20.
SC flat plate v2016.0	Strength Calculation for Flat Plates	2016. 2. 20.
MD ECO ASME Sec. I	Strength Calculation for Economizer	2016. 4. 19.
MD Boiler ASME WT	Strength Calculation for Water Tube Type Boiler	2016. 4. 19.
cal. FIV Cross Flow	calculates Flow Induced Vibration for Cross Flow.	***	2020. 1. 10
MD Circular EJ	Design of Circular Expansion Joint	***	2020. 1. 10
MD Rectangular EJ	Design of Rectangular Expansion Joint	***	2020. 1. 10
MD PV Rectangular	Strength Calculation for Rectangular Pressue Vessel	***	2020. 1. 10
MD ACHE Header Box	Strength Calculation for Header Box for ACHE	***	2020. 1. 10

HRSG & WHB		1st Upload	Updated
TD HRSG NC pfd	PFD for Natural Circulation ( NC ) Type	2015. 10. 20.
TD HRSG FC pfd	PFD for Forced Circulation ( FC ) Type	2015. 10. 20.

BOILER		1st Upload	Updated
pfd Blowdown System	PFD for Blowdown System	2015. 10. 20.
pfd Letdown System	PFD for Letdown System	2015. 10. 20.
TD Boiler Comb. Cal.	Combustion Calculation	2015. 10. 20.
TD Boiler BEFF Cal.	Boiler Efficiency Calculation	2015. 10. 20.
TD Boiler F&ST pfd	PFD for Fire & Smoke Tube Type Boiler	2015. 10. 20.
TD Boiler WT pfd	PFD for Water Tube Type Boiler	2015. 10. 20.

Auxiliaries		1st Upload	Updated
data sheet Orifice	Data Sheet for Orifice with Sizing	2015. 11. 06.

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