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Small Piston Heat Engine

012-08375A

Equipment Return

If the product requires return to PASCO scientific for any
reason, notify PASCO scientific by letter, phone, or fax
BEFORE returning the product. Upon notification, the
return authorization and shipping instructions will be
promptly issued.

     

NOTE:

  NO EQUIPMENT WILL BE

ACCEPTED FOR RETURN WITHOUT AN
AUTHORIZATION FROM PASCO.

When returning equipment for repair, the units must
be properly packed. Carriers will not accept respon-
sibility for damage caused by improper packing. To
be certain the unit will not be damaged in shipment,
observe the following rules:

The packing carton must be strong enough for the item

shipped.

Make certain there are at least two inches of packing

material between any point on the apparatus and the
inside walls of the carton.

Make certain that the packing material cannot shift in

the box or become compressed, allowing the
instrument come in contact with the packing carton.

Address:

PASCO scientific
10101 Foothills Blvd.
Roseville, CA 95747-7100

Phone:

(916) 786-3800

FAX:

(916) 786-3292

email:

[email protected]

web:

www.pasco.com

Credits

Editor:

Sunny Bishop

Copyright Notice

The PASCO scientific 012-08375A Small Pistion Heat
Engine manual is copyrighted and all rights reserved.
However, permission is granted to non-profit educational
institutions for reproduction of any part of the manual,
providing the reproductions are used only for their
laboratories and are not sold for profit. Reproduction
under any other circumstances, without the written
consent of PASCO scientific, is prohibited.

Limited Warranty

PASCO scientific warrants the product to be free from
defects in materials and workmanship for a period of one
year from the date of shipment to the customer. PASCO
will repair or replace at its option any part of the product
which is deemed to be defective in material or workman-
ship. The warranty does not cover damage to the product
caused by abuse or improper use. Determination of
whether a product failure is the result of a manufacturing
defect or improper use by the customer shall be made
solely by PASCO scientific. Responsibility for the return
of equipment for warranty repair belongs to the customer.
Equipment must be properly packed to prevent damage
and shipped postage or freight prepaid. (Damage caused
by improper packing of the equipment for return shipment
will not be covered by the warranty.) Shipping costs for
returning the equipment after repair will be paid by
PASCO scientific.

Copyright, Warranty, and Equipment Return

Please—

Feel free to duplicate this manual

subject to the copyright restrictions below.

Содержание TD-8592

Страница 1: ...012 08375A SMALL PISTON HEAT ENGINE APPARATUS Instruction Manual and Experiment Guide for the PASCO scientific Model TD 8592...

Страница 2: ......

Страница 3: ...exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and mainte nance servicing instructions in the literature accompanying the applia...

Страница 4: ...Section Page Copyright Warranty and Equipment Return ii Introduction 1 Equipment 1 Experiments 1 Operation of a Heat Engine 3 2 Charles Law 5 3 Boyle s Law 7 4 Combined Gas Law Gay Lussac s 9 5 The Ma...

Страница 5: ...manual is copyrighted and all rights reserved However permission is granted to non profit educational institutions for reproduction of any part of the manual providing the reproductions are used only...

Страница 6: ...diameter 15 9 mm 0 1 mass of piston and platform 15 9 g 06 Air chamber Figure 2 Three hose configurations one with one way check valves and one with a clamp Figure 2 and one plain piece of tubing not...

Страница 7: ...2 Small Piston Heat Engine 012 08375A Notes...

Страница 8: ...tup Note Use a maximum mass of 100 grams in the experiment A larger mass will cause the valve seals to leak Procedure Figure 1 1 Setup for the Heat Engine Close the shut off valve on the tubing from t...

Страница 9: ...4 Small Piston Heat Engine 012 08375A Notes...

Страница 10: ...apparatus is the atmospheric pressure and is equal throughout the range of operation of the piston Theory Setup Procedure Place the air chamber in a container of hot water After the chamber equilibra...

Страница 11: ...6 Small Piston Heat Engine 012 08375A Notes...

Страница 12: ...evel Convert the height measurements to gas volume measurements Hint The diameter of the piston is 32 5 mm Prepare a graph of pressure versus volume Therefore at a fixed temperature the pressure will...

Страница 13: ...8 Small Piston Heat Engine 012 08375A Notes...

Страница 14: ...tional to the pressure P where pressure 1 P Combining these we have V aT P The combined gas law predicts that for a given mass of gas if V is held constant P is proportional to T Secure the piston jus...

Страница 15: ...ne 012 08375A Place the air chamber in the Pyrex container and turn on the hot plate Procedure Record the temperature and pressure as the water heats Display a graph of temperature versus pressure in...

Страница 16: ...determined by finding the enclosed area on a P V diagram Essentially you are comparing useful mechanical magy work which we hope you believe in and understand from earlier studies with the accounting...

Страница 17: ...room temperature water and another with hot tap water or preheated water at about 60 70 C The engine cycle is much easier to describe if you begin with the piston resting above the bottom of the cyli...

Страница 18: ...ion of the Engine Cycle a Predicted transition a b Close the system to outside air but leave the can in the cold reservoir Make sure the rubber stopper is firmly in place in the can What should happen...

Страница 19: ...a Cycle To calculate the thermodynamic work done during a cycle of this engine you will need to be able to plot a P V diagram for the engine based on determinations of the volumes and pressures of th...

Страница 20: ...account Pa Va c Use the measurements at point b to calculate the total volume and pressure of the air in the system at that point in the cycle Show your equations and calculations in the space below...

Страница 21: ...gram for your cycle and determine the thermody namic work for your engine 5 4 Activity Plotting and Interpreting a P V Diagram a Fill in the appropriate numbers on the scale on the graph frame that fo...

Страница 22: ...grid and count the boxes in the area enclosed by the lines connecting points a b c and d Then multiply by the number of joules each box represents You will need to make careful estimates of fractions...

Страница 23: ...asses are added to the platform This means that the number of moles of air decreases over time You can observe this by noting that in the transition from point d to point a the piston can actually end...

Страница 24: ...cting Technical Support Before you call the PASCO Technical Support staff it would be helpful to prepare the following information If your problem is with the PASCO apparatus note Title and model numb...

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