The following will mount an image file as a device under /mnt/ewf_mount (provided that the folder has been created) and mount that device as a read-only drive under /mnt/windows_mount (provided that the folder has been created):
ewfmount image.E01 /mnt/ewf_mount && mount -o ro,loop,show_sys_files,streams_interface=windows /mnt/ewf_mount/ewf1 /mnt/windows_mount
The following will unmount the image:
umount /mnt/windows_mount && umount /mnt/ewf_mount